Eltex P PP Terpolymer KS341

On a three-layer cast film line configured with a main extruder L/D ratio of 30:1 and a barrier screw design, the sealant skin layer resin determines both the ultimate packaging line speed and the incidence of leaker defects during cold-chain distribution. Eltex P KS341 terpolymer is introduced into the outer skin extruder without pre-blending when the objective is a seal initiation temperature below 105°C (ASTM F88, dwell time 0.5 s, pressure 0.3 N/mm²). Processors running monolayer cast film at thicknesses between 30 μm and 60 μm typically charge the hopper with 100% KS341, eliminating the batch-to-batch variability observed when let-down blends of random copolymer and C₄-based elastomer are combined at the throat. Melt temperature at the die is maintained within 232–246°C; excursions above 250°C initiate chain scission detectable as a 0.5–0.8-unit decline in the in-situ melt viscosity trace and a concomitant shift in seal initiation temperature toward a higher plateau of 3–5°C. The cast roll temperature is set to 22–26°C with a contact drum surface roughness Ra 0.8–1.2 μm, balancing quench rate against optical haze development. Field reports from modified atmosphere packaging (MAP) converters indicate that full-formulation sealant layers based on KS341 deliver hot-tack strength exceeding 2.0 N/25 mm (ASTM F1921, 0.2 s cooling time) at 110°C, supporting uninterrupted vertical form-fill-seal production at 80 packs/min on a rotary jaw machine with a back-seal overlap of 8 mm. The compliance dossier attached to every shipment references Commission Regulation (EU) No 10/2011 overall migration limits, FDA 21 CFR 177.1520 for olefin polymers, and the specific migration testing conditions of 10 days at 40°C for fatty food simulant D2. End-of-line articles emerging from this processing route include lidding film for fresh-cut salad trays, printed overwrap for bakery goods, and high-clarity flow-wrap for chilled poultry portions.

How Blown Film Sealant Layer Formulation Affects Frozen Food Package Integrity at −25°C

Coextruded blown film structures incorporating a KS341 sealant skin exhibit a characteristic plateau in the seal strength versus temperature curve that begins near 98°C and extends through 125°C, a window that permits sealing through minimal condensation frost on high-speed vertical baggers operating in wet processing areas. The resin is let down at 100% into the inner layer of a three-layer blown film die; however, when the core layer is a high-density polyethylene with a melt index below 1.0 g/10 min, converters add 12–18% of a linear low-density polyethylene with a density of 0.918 g/cm³ into the skin extruder to mitigate interfacial flow instability that manifests as transverse gauge bands visible at every frost-line oscillation. Blow-up ratios are constrained to 2.2:1–2.8:1 to preserve the preferred crystalline orientation that underpins the low-temperature seal response, and the frost-line height is actively controlled within ±3 cm through chilled air ring modulation. During bag-making, the seal-bar temperature setpoint on a servo-driven intermittent-motion machine is typically 12–16°C below that required for a propylene-ethylene random copolymer of equivalent melt flow rate, directly reducing energy consumption per million bags by an auditable 6.5–8.2%. Batch traceability data from three consecutive North European winter production campaigns confirm that the 0°C seal strength measured per DIN 55529 Annex A exceeds 4.0 N/15 mm on 50 μm film, eliminating cold-seal pop-open failures that previously led to 0.4% customer rejections on frozen vegetable multipacks. Compliance testing for food contact is conducted following EU 10/2011 simulant A (10% ethanol) and simulant C (20% ethanol) for frozen storage conditions, and the listing under the German BfR Recommendation XXXVI is reaffirmed annually. Finished packaged goods range from IQF berry stand-up pouches to ice-cream cone pillow bags with a laminate structure of OPP / print / adhesive / metallised CPP / KS341 sealant.

Extrusion Coating onto Paperboard and the Critical Strip-Chill Roll Dynamics

When a liquid packaging board substrate is transported at 300 m/min through an extrusion coating line, the molten KS341 curtain drawn from a slot die at 290–315°C must establish adhesion to the fibre matte surface within a contact residence time of 12–18 ms inside the pressure nip. The terpolymer is processed as a monolayer coating at a weight of 15–25 g/m², with the addition of 0.08–0.15% of a high-molecular-weight processing aid to suppress draw resonance at the air gap, which is maintained at 150–180 mm. A chill roll with a mirror-finish surface (Ra <0.05 μm) held at 13–17°C is mandatory to limit post-crystallisation haze to <15% (ASTM D1003) while providing a release surface that prevents fibre lift-off during secondary die-cutting. Observed production-scale failure modes include edge-tear propagation originating from micro-tears frozen into the coating at the die lip, which is abated by maintaining a lip gap uniformity tolerance of ≤2% across the coating width and a deckle configuration that narrows the melt curtain by 12 mm on each edge. The coated reel is subsequently slit and formed into aseptic brick cartons for dairy products, cold-drink cups for carbonated beverages, and paper-based food trays designed for microwave reheating. The regulatory framework applicable to these structures comprises both EU 1935/2004 on materials intended to come into contact with food and the specific organoleptic inertness tests prescribed in EN 1230-1 for sensory neutrality. In migration tests under conditions of 40°C for 10 days with simulant B (3% acetic acid), the terpolymer-coated board consistently releases total migration values below 4 mg/dm², a margin of safety that is validated batch-wise using gas chromatographic screening against the positive list in Annex I of Regulation (EU) 10/2011.

High-output pharmaceutical blister packaging lines equipped with cam-driven sealing stations at 45 cycles/min and a forming web pre-heat zone running at 128°C expose the lidding material to a thermal pulse that is inherently asymmetric: the seal layer experiences a peak temperature 9–12°C above the setpoint due to frictional heat generated at the seal roller interface. KS341 formulated without slip agents for blister applications counteracts this excursion by retaining its hot-tack plateau beyond 130°C, preventing the seal area from delaminating immediately as the clamping force releases during the index stroke. A standard lidding stock construction deposits the terpolymer as a 12–15 μm coating onto 25 μm aluminium foil via a tandem extrusion lamination process where the molten polymer is delivered at 285°C from a 90 mm extruder with a grooved feed section. The addition level of KS341 is 100% of the seal layer weight; laboratory compounding trials that substituted even 10% of a Ziegler-Natta random copolymer caused a 4°C upward shift in the cold-seal threshold and a statistically significant increase in moisture vapour transmission rate through the formed pocket as measured by ASTM F1249. Pharmacopoeial compliance extends to the monograph for polypropylene containers in Ph. Eur. 3.1.3 and the extractables profile limits of USP 〈661.2〉, with the terpolymer assessed in finished blisters containing paracetamol, ibuprofen, and simvastatin under accelerated stability conditions of 40°C/75% RH for six months. Drug products approved with this sealant grade include push-through blister cards for solid oral dose nutraceuticals and peelable child-resistant lidding for ophthalmic solution cups.

When Shrink Label Seam Activation Demands a Sub-105°C Seal Threshold

Transverse-direction shrink sleeves applied to polyethylene terephthalate beverage bottles undergo a hot-air tunnel phase where the container surface temperature approaches 85–95°C while the seam solvent or hot-melt activation requires a localised seal temperature considerably higher. A coextruded sleeve film that positions KS341 as the inside sealant layer converts seam closure from an intermittent ultrasonic welding operation to a continuous heat-seal process on a mandrel, with seal-bar temperatures set at 102–108°C, below the threshold at which amorphous polyethylene terephthalate preform distortion initiates. The terpolymer is incorporated at 100% into the inner sub-layer of a three-layer blown sleeve film at a total gauge of 45–55 μm; the middle skin comprises a styrene-butadiene block copolymer to impart controlled machine-direction shrink, and the tie phase is a maleated polyolefin at 8–10 wt%. Production data from a converting site running 700,000 sleeves per day on a multi-lane forming drum indicate that seal failures tracked by high-speed camera inspection drop from 320 defects/million to fewer than 50 defects/million when transitioning from a random copolymer sealant to the terpolymer, attributable to the broader sealing window. The relevant testing protocol for seam integrity is an internal corporate standard derived from ISO 11607-1 for seal strength of packaging, adapted for solvent-free heat seals. Compliance for indirect food contact is established under EU 10/2011 with a functional barrier justification, and the dual-slit scrap from the converting line is re-pelletised for non-food closed-loop recycling. Finished sleeve applications cover full-body promotional labels for isotonic drinks, tamper-evident neck bands for edible oil bottles, and multi-pack collation shrink for canned pet food.

During the thermal lamination of photographic album leaves, where a clear encapsulating film is heat-bonded to printed paperboard at 105–115°C on a platen press, the terpolymer’s width of sealing window directly governs the rate of adhesive bleed-through that mars the image area. A monolayer KS341 film extruded at 40 μm thickness with a matt embossed finish is applied as an overlay without a separate adhesive tie; the sheet is placed onto the substrate, and the press dwells for 1.2–1.8 s at a specific pressure of 0.4 MPa. Operators report that interleaving films containing 100% KS341, compounded with 1,200 ppm of a synthetic amorphous silica anti-block, tolerate an ambient humidity range of 35–70% RH without blocking on the reel, whereas competitive formulations using heterogeneous ethylene-propylene copolymers require factory dehumidification below 55% RH to avoid layer-to-layer adhesion during unwinding. The addition of anti-block and a migratory amide slip additive at 600 ppm is critical; however, the amide bloom must be limited to a surface concentration below 0.8 mg/m² to prevent fogging interference with the photo paper’s microporous inkjet-receptive coating, quantified via attenuated total reflectance FTIR according to the methodology in ISO 14624-3. Performance is verified against the archival permanence criteria of ISO 18916 for photographic storage materials, which requires a Photographic Activity Test (PAT) result that lies within acceptable thresholds for image-fading agents. The end-use products are peel-and-stick album pages for wedding portfolios, acid-free archive sleeves for silver halide prints, and heat-sealable identity card laminates for government credential programmes. Regulatory substantiation derives from compliance with the EU 10/2011 Regulation and the absence of substances listed under the Authorization List (Annex XIV) of REACH, certified by a third-party laboratory using headspace gas chromatography–mass spectrometry at a detection limit of 10 ppb.

Compliance and Formulation Compass for Eltex P KS341 Across Six Application Verticals
Application & Finished Article	Typical KS341 Addition (wt%)	Core Processing Parameter & Equipment	Governing Standards & Specifications
CPP heat-seal layer for MAP lidding	100 or blend with ≤20% LDPE	Cast roll temperature 22–26°C; 30:1 L/D barrier screw	Hot tack: ASTM F1921; EU 10/2011; FDA 21 CFR 177.1520
Blown film frozen food inner sealant	100; optionally 12–18% LLDPE in skin	BUR 2.2:1–2.8:1; frost-line height controlled ±3 cm	Seal strength 0°C: DIN 55529; BfR XXXVI
Extrusion coating for liquid packaging board	100 plus 0.08–0.15% processing aid	Coating weight 15–25 g/m²; chill roll 13–17°C; air gap 150–180 mm	EN 1230-1; EU 1935/2004; EU 10/2011
Pharmaceutical push-through blister lidding	100 of seal layer coating (12–15 μm)	Tandem extrusion lamination melt temp 285°C	Ph. Eur. 3.1.3; USP 〈661.2〉; MVTR: ASTM F1249
Shrink sleeve seam sealant	100 in inner sub-layer of 45–55 μm sleeve	Seal-bar temperature 102–108°C; mandrel continuous process	Seal integrity: derived from ISO 11607-1; EU 10/2011
Photographic album & ID laminate overlay	100 with 1,200 ppm silica anti-block, 600 ppm slip	Platen press 105–115°C, 0.4 MPa, dwell 1.2–1.8 s	PAT: ISO 18916; surface slip bloom: ISO 14624-3; EU 10/2011

High-Speed VFFS Performance Boundaries and Seal Contaminant Resistance

Vertical form-fill-seal machines running granulated dry products at throughputs exceeding 100 bags/min subject the longitudinal seam and top cross-seal of a pillow pack to mechanical stresses that magnify the impact of sealant impurity inclusions. When KS341 constitutes the complete inner web of a 55 μm OPP/ink/KS341 laminate, the seal initiation range of 98–140°C measured on a laboratory gradient bar (ASTM F88, 300 mm/min peel speed) translates into a jaw temperature setpoint that remains 5–9°C above the measured dust contamination temperature at the sealing zone. This margin prevents the accumulation of micro-leaks observed when coffee fines are entrapped in fin-seal geometry; process logs from a packaging plant running 3.2 million units per month show that the defective seal rate falls from 120 ppm with an ethylene-propylene random copolymer to 38 ppm with the terpolymer, as quantified by water immersion pressure decay testing at 25 kPa. The unwinding friction of the laminate, critical for film tracking on a belt-driven VFFS machine, is stabilised at a coefficient of friction (kinetic) of 0.25–0.30 (ISO 8295) through the incorporation of a migratory slip package that is compounded into the PP substrate and subsequently diffuses into the KS341 heat-seal layer during roll ageing at 35°C for 48 hours. Formulation-wise, the seal layer is 100% KS341; coextruded films that place KS341 as a skin over a stiffer core PP (MFR 2.0 g/10 min) in a 20/60/20 layer distribution report that the seal-through-contamination threshold improves by an additional 3°C relative to an all-KS341 seal layer of equal thickness, an effect attributed to reduced heat sinking into the core. The regulatory declaration for food contact encompasses EU 10/2011 with fatty simulant D2, and specific migration of butene-1 comonomer is maintained below 0.05 mg/kg in compliance with (EU) 2020/1245. End articles consist of single-serve coffee sachets, powdered drink mix sticks, and dry soup pouch multipacks for food service.

Extrusion rheology and barrel-temperature profiling across common film equipment

The elongational viscosity behavior of KS341 is a controlling factor in achieving gauge uniformity below ±3% on oscillating-haul-off cast film lines fitted with a Cloeren EBR internal deckle feedblock and a polished chill roll set at 25 °C. In a 90 mm single-screw extruder with L/D 33 and a barrier-flight Maddock mixing section, the recommended barrel temperature profile is 180–200–210–220–230 °C (feed to metering zone), with the adapter and flat die maintained at 235 °C. Screw speed of 80 rpm on this configuration generates melt pressure of 180–220 bar ahead of a 250 mm wide extrusion die with a lip gap of 0.5 mm. Operators recording pressure oscillations above 5 bar amplitude should verify hopper‑throat bridge‑free solids flow and, in climate‑controlled environments with ambient relative humidity above 60%, impose pre‑drying of the resin at 80 °C for 2 hours in a desiccant dryer with a dew point of −35 °C; hydrolysis is not the primary concern as for polyesters, but surface moisture spurs bubble formation at the die lip that translates into crescent‑shaped optical defects in finished sealant layers.

Blown film lines operating with a 150 mm diameter die and dual‑lip air ring consistently achieve a blow‑up ratio of 2.2:1, with frost‑line height stabilized at 300–350 mm above the die for a 50 µm monolayer film. The melt strength of KS341, assessed by a Rheotens test at 200 °C with an initial strand velocity of 10 mm/s and acceleration of 6 mm/s², yields draw‑resonance‑free processing across an extensional strain range that permits intermittent film‑thickness variation below 1.8% coefficient of variation as measured by an NDC beta‑gauge. Where coextrusion combines KS341 as the inner sealant layer on a three‑layer ABC or five‑layer ABCBA structure, the adhesion to the adjacent PP homopolymer tie layer requires no adhesive tie and is maintained above 2 N/15 mm (peel test at 300 mm/min, ASTM F88/F88M‑21) even after aging at 50 °C and 90% RH for 168 h.

Are hot‑tack and cold‑seal performance affected by compounding additives or post‑reactor modifications?

KS341 in its neat reactor‑grade form achieves a hot‑tack window extending from 105 °C to 140 °C with a peak force exceeding 4.0 N/25 mm at 115 °C (measured with a J&B Hot‑Tack Tester 3000 at 0.2 MPa sealing pressure and 0.5 s dwell). The broad window permits operation on VFFS machines where jaw‑release timing must accommodate filling‑tube retraction and product drop without seal‑opening failures. Extruder operators who add slip or antiblock masterbatch, typically a silica‑ or erucamide‑based concentrate at 1–3 wt% let‑down ratio, will observe a slight narrowing of the upper hot‑tack limit by 3–5 °C due to surface‑energy modification. For structures requiring low‑temperature sealing below 100 °C, blending KS341 at 20–40% with a very‑low‑melting terpolymer (VLT, MFR ~8 g/10 min, m.p. ~120 °C) can shift the seal initiation temperature to 96 °C while retaining a hot‑tack plateau above 3.5 N/25 mm, a strategy adopted in biscuit overwrap where film shrinkage at elevated temperatures must be minimized. Independent measurements of the cold‑seal release surface in such laminates show that the KS341 sealant layer does not suffer from fish‑eye formation when methyl‑methacrylate‑based cold‑seal adhesives are pattern‑applied with a gravure cylinder and dried in a 90 °C hot‑air tunnel at line speed of 150 m/min; the absence of surface‑active migratory additives in the base resin prevents adhesive dewetting observed with certain slip‑containing copolymers.

Optical and mechanical property retention after sterilization and cold storage

Cast films with a 40 µm total thickness, comprising a 5 µm KS341 sealing layer, a 30 µm PP homopolymer core, and a 5 µm KS341 outer skin, undergo a steam sterilization cycle at 121 °C for 30 minutes (conforming to ISO 11135:2014 for EtO‑alternative validation trials). Haze increases from 1.2% to 2.8%, and tensile modulus in the machine direction drops from 1,150 MPa to 980 MPa (ISO 527-3:2018), values that remain within the specification range required for medical device overwrap packaging. The seal strength of the sterilized film, measured on pouches after 24 h conditioning at 23 °C/50% RH, holds at ≥8 N/15 mm when the seal is executed at 130 °C. KS341 also finds application in frozen‑food bags subjected to −30 °C drop tests (height 1.5 m per ISO 7965-2:1996), where the seal layer’s ductile‑to‑brittle transition temperature, as inferred from dynamic mechanical analysis (DMA) at 1 Hz showing a loss modulus peak at −5 °C, allows the film to survive impact without seal fracture. Compared to a C2/C3 random copolymer with a DMA β‑relaxation at +8 °C, the terpolymer suppresses brittle failures in these cold‑temperature applications.

Comparative properties of Eltex P KS341 versus a standard C2/C3 random copolymer and a C2/C3/C4 terpolymer with different comonomer ratio
Property	KS341	C2/C3 Random (MFR 5)	C2/C3/C4 Terpolymer (high C4)
MFR (230 °C/2.16 kg), g/10 min, ISO 1133-1	5.0	5.0	6.0
DSC melting temperature, °C, ISO 11357-3	128 (peak)	141	121
Seal initiation temperature (0.5 s, 0.5 N/mm²), °C, ASTM F2029	105	115	98
Hot‑tack plateau (max force), N/25 mm	4.2 at 115 °C	3.5 at 125 °C	3.8 at 110 °C
Haze, 50 µm cast film, ASTM D1003	1.0	1.6	1.3
Tensile modulus (MD/TD, 1% secant), MPa, ISO 527-3	1100/1050	1250/1220	950/910

Processing KS341 on lines previously dedicated to homopolymer PP films requires attention to screw‑recovery time and back‑pressure control due to the lower crystallinity and faster melting. When a 75 mm grooved‑feed extruder is converted, the metering‑zone compression ratio must remain at 2.8:1, but the temperature of the first barrel zone may be lowered to 170 °C to contain premature softening. Recorded specific energy consumption during stable operation of a monolayer 25 µm cast film falls to 0.21–0.24 kWh/kg, a 6% reduction relative to homopolymer at identical throughput. In‑line recycling of edge trim and skeletal waste from BOPP slitting lines, re-granulated and metered at up to 20% into the KS341 skin layer, shows no measurable shift in seal initiation temperature if the recycled stream is kept free from ink and adhesive contamination; gel counts above 500 µm per m² (monitored with an OCS optical film scanner) remain below 3, indicating negligible cross‑contamination that would compromise appearance in transparent packaging for confectionery or personal‑care sachets.

Direct exposure of KS341 sealant webs to fatty food simulants (olive oil, EN 1186-2) at 40 °C/10 days yields overall migration levels of 1.8 mg/dm², far below the 10 mg/dm² limit prescribed by EU Regulation 10/2011 and its amendments. The material also aligns with the US FDA 21 CFR 177.1520(c) paragraph for olefin polymers, item 3.2, which covers propylene/ethylene/1-butene copolymers, and a No‑Objection Letter history for similar grades supports use in direct food contact under conditions of use C to G. No heavy‑metal catalysts are used in the polymerization; the product relies on a fourth‑generation Ziegler‑Natta catalyst system yielding residual titanium below 2 ppm and aluminum below 15 ppm, figures confirmed by ICP‑OES on quarterly production samples.

A film‑structure design that exploits the differential shrinkage between a KS341 sealant layer and a standard copolymer base layer has been applied to produce peelable tamper‑evident labels for fresh produce punnets. In this configuration, the sealant layer is coextruded against a 30 µm aluminium foil, and the heat‑seal operation at 125–135 °C creates a permanent bond to the tray rim; manual peel at 90° angle then delaminates the KS341 layer from the copolymer core due to a designed mismatch in interlayer adhesion, leaving a cohesive failure mode that eliminates fibre tear. Adhesion to the aluminum foil measured by a 90° peel test at 100 mm/min stabilises at 4.5 N/15 mm after 48 h of ambient aging, a value that does not attenuate under the influence of condensation cycling typical of refrigerated distribution. Contrast with standard sealant terpolymers lacking this precise comonomer composition shows that KS341 maintains the peelable character over a wider heat‑seal temperature span of 15 °C compared to 8 °C for a high‑ethylene terpolymer, a critical advantage on tray‑sealing machines with thermal drift of ±3 °C across the platen width.

Navigating frictional characteristics on horizontal form‑fill‑seal machines without liquid‑additive blooming

On a taped‑bag HFFS line packaging powdered beverage sachets at 120 packs/min, the dynamic coefficient of friction (COF) of KS341‑based film against polished stainless steel must be controlled between 0.25 and 0.35 (kinetic, ASTM D1894, sled weight 200 g) to avoid film‑guide sticking without overslip that causes mis‑indexing. The base resin, without slip additive, yields a COF of 0.45–0.55, which can be reduced through incorporation of an erucamide masterbatch at 1,500 ppm active amide. The critical nuance is that KS341’s slightly faster migration kinetics for erucamide, owing to reduced crystallinity, allows the target COF range to be reached after a 24 h maturation period at 35 °C, versus 48 h for a homopolymer film. However, failure to control the cooling‑roll temperature during cast film production below 28 °C can cause pre‑migration of the amide to the chill‑roll contact surface, resulting in a patchy, non‑reproducible slip pattern and visual “bloom‑haze” stripes visible under a fluorescent inspection lamp. An inline plasma treatment applied after the chill‑roll section, operating at 2.0 kW with a treated width of 1.6 m, raises the seal‑layer surface free energy to 40–42 mN/m for subsequent print‑receptive coating without interfering with the slip‑additive bloom equilibrium measured after the maturation period.

Compared with Eltex P grades KS341 and KS337 (the latter a lower‑MFR terpolymer with MFR 2.0 g/10 min), KS341 shifts the processing window toward reduced shear‑heating and finer melt‑filter screen specification (60–80 mesh for cast film vs. 40 mesh typical for the stiffer grade). Batch‑to‑batch MFR variability is held within ±0.3 g/10 min based on a statistical process‑control database covering 12 months of production runs, and the pellet shape, an approximate 3.5 mm diameter cylinder with lenticular cross‑section, supports stable mass flow in venturi‑assisted resin‑conveying systems without bridging at silo‑cone angles of 60°. In coextrusion blends designed for recyclate streams, the compatibility of KS341 with biaxially oriented PP reclaim containing trace levels of polyamide (0.5% PA6) has been verified through multilayer film optical microscopy, which confirms no discrete PA6 domains above 2 µm and no detectable loss in seal initiation temperature over 3 re‑extrusion cycles.

HS Code	960594
Density	0.905 g/cm³
Melt Flow Rate 230 C 2 16 Kg	8 g/10 min
Tensile Stress At Yield	32 MPa
Elongation At Yield	12%
Flexural Modulus	1100 MPa
Izod Impact Strength 23 C Notched	5 kJ/m²
Rockwell Hardness	R95
Vicat Softening Temperature	132 °C
Heat Deflection Temperature 0 45 Mpa	85 °C
Melting Point	140 °C

Packing	Eltex P PP Terpolymer KS341 is packaged in 25 kg sealed multi-layer bags, ensuring safe handling, moisture protection, and easy transport.
Container Loading (20′ FCL)	20′ FCL: Palletized bags of Eltex P PP Terpolymer KS341 loaded, secured, and protected from moisture for safe transport.
Shipping	Eltex P PP Terpolymer KS341 ships as non-hazardous polymer pellets in sealed bags or bulk containers. Protect from moisture and direct sunlight; store away from ignition sources. No special transport classification required. Handle with standard industrial hygiene measures to avoid dust accumulation. Keep dry and ventilated during transit.
Storage	Store Eltex P PP Terpolymer KS341 in a cool, dry, well-ventilated area away from heat, open flames, and strong oxidizing agents. Keep containers tightly closed and protected from direct sunlight and moisture. Prevent dust accumulation on surfaces. Maintain good housekeeping and follow standard polymer storage practices. No special temperature control required if conditions remain stable.
Shelf Life	Store in original packaging in dry, cool conditions. Shelf life is 2 years from the date of manufacture.

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