| HS Code | 752772 |
| Density | 0.918 g/cm³ |
| Melt Flow Index 190 C 2 16 Kg | 1.0 g/10 min |
| Melting Point | 122 °C |
| Vicat Softening Point | 100 °C |
| Low Temperature Brittleness | -75 °C |
| Tensile Strength At Yield | 10.5 MPa |
| Tensile Strength At Break | 18.0 MPa |
| Elongation At Break | 700 % |
| Flexural Modulus | 250 MPa |
| Shore Hardness D | 50 |
| 1 Secant Modulus | 190 MPa |
| Heat Deflection Temperature | 40 °C |
As an accredited NOVAPOL LLDPE PF-0118-D factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | NOVAPOL LLDPE PF-0118-D is supplied as free-flowing pellets in 25 kg polyethylene-lined bags, palletized and stretch-wrapped for safe transport. |
| Container Loading (20′ FCL) | 20′ FCL container loading of NOVAPOL LLDPE PF-0118-D: 25 kg bags on pallets, shrink-wrapped, 20 pallets per container. |
| Shipping | NOVAPOL LLDPE PF-0118-D is a linear low-density polyethylene resin supplied as free-flowing pellets. Ship in clean, dry containers or railcars, using lined bags or bulk hoppers. Protect from moisture and contamination. Not hazardous per transport regulations; avoid excessive dust accumulation and static discharge during handling. |
| Storage | Store NOVAPOL LLDPE PF-0118-D in a cool, dry, well-ventilated area away from direct sunlight, heat, and ignition sources. Keep containers tightly sealed to prevent moisture pickup and contamination. Avoid creating dust clouds; static discharge may ignite fines. Maintain indoor storage temperatures below 50°C and separate from incompatible materials. Follow local regulations. |
| Shelf Life | Store unopened in a cool, dry area away from direct sunlight and heat; shelf life is one year from manufacture. |
Film-grade NOVAPOL LLDPE PF-0118-D enters three-layer cast coextrusion lines as the core and skin-layer resin for pallet-unitization films. The grade exhibits a nominal melt flow index of 1.0 g/10 min when tested under ISO 1133-1:2022 at 190 °C/2.16 kg and a nominal density of 0.918 g/cm³ under ISO 1183-1:2019, which supports draw-down on chill-roll lines at 350–650 m/min without melt curtain tearing when die temperatures are held between 245 °C and 260 °C. In cast stretch-wrap formulations, PF-0118-D is added at 72–88 wt%, blended with 8–15 wt% metallocene-catalyzed LLDPE for puncture propagation resistance, 5–10 wt% LDPE to reduce neck-in at the die lip, and 1.5–3.0 wt% EVA-based cling masterbatch to achieve a peel-cling range of 120–220 g/cm under ASTM D5458. Compliance for stretch film is verified against ASTM D5459-17 for machine direction elastic recovery and ASTM D5748-95(2012) for protrusion puncture resistance; tensile properties are checked under ISO 527-3:2018. The downstream production process uses an extruder with a 30:1 L/D barrier screw, die width 2,000–4,500 mm, die gap 0.45–0.80 mm, chill roll temperature 18–26 °C, vacuum box edge pinning and 3–6% edge trim recycled into the core layer at no more than 15 wt% regrind to limit MD tear loss. Terminal products include 15–23 µm machine stretch wrap and 20–30 µm hand wrap. Because LLDPE is non-hygroscopic, pre-drying is unnecessary below 60% relative humidity; above 60% RH, surface condensation on cold pellets should be removed with hopper air at 50–60 °C for 1–2 h to avoid melt fracture and pinholes. The operational boundary is set by melt resonance when chill roll temperature drops below 12 °C or when chill roll surface roughness departs from the specified 0.6–1.2 µm Ra, at which point cling uniformity becomes batch-to-batch variable.
In frozen-food packaging, the conversion mode changes from chill-roll quench to bubble-quench blown film, and the formulation is adjusted for low-temperature tear resistance at -18 °C. PF-0118-D is incorporated at 70–82 wt%, with 12–20 wt% LDPE to stabilize the bubble at a 2.0:1–2.8:1 blow-up ratio and 4–8 wt% anti-block/slip masterbatch to prevent blocking after surface treatment and roll storage. Compliance for direct food contact is evaluated under FDA 21 CFR 177.1520(c) and EU Regulation (EU) No 10/2011, Annex I Table 1, with an overall migration limit of 10 mg/dm² and migration testing per EN 1186-1:2003; converters must verify that the anti-block masterbatch and any post-extrusion surface treatment are compliant with the additive restrictions of the intended food type. The downstream blown film process runs on a spiral mandrel die with a die gap of 1.8–2.4 mm, melt temperature 185–210 °C, and frost line height maintained at 2.0–2.5 die diameters to balance MD/TD orientation. Film thickness ranges from 35–80 µm, with dual-lip air ring temperature between 10–15 °C and internal bubble cooling on lines above 350 kg/h output. Terminal products include 40–60 µm frozen vegetable bags, 50–80 µm seafood and poultry bags, and carton liners for ice-containing secondary packaging. The grade is not specified for retort sterilization above 85 °C because seal strength and stick-point collapse below the minimum hot-tack window required by high-thermal-load pouch filling.
| Application | Primary conformance standard | Test method | Representative PF-0118-D addition ratio |
|---|---|---|---|
| Cast stretch film | ASTM D5459-17 | ASTM D5458, ASTM D5748-95(2012) | 72–88 wt% |
| Frozen-food blown film | FDA 21 CFR 177.1520(c), EU 10/2011 | EN 1186-1:2003 | 70–82 wt% |
| Heavy-duty FFS sacks | ASTM D4976-19 | ASTM D5276-98(2017), ISO 6383-2:1983 | 62–78 wt% |
| Silage wrap | EN 13207:2018 | ISO 7765-1:2004 | 65–80 wt% |
| Lamination sealant | FDA 21 CFR 177.1520(c), EU 10/2011 | ASTM F88/F88M-21 | 55–75 wt% |
| Industrial liners | REACH Annex XVII | ASTM D1709-16a, ISO 527-3:2018 | 75–85 wt% |
Tubular film conversion for form-fill-seal sacks at 60–120 µm thickness uses PF-0118-D at 62–78 wt% blended with 15–25 wt% LDPE for bubble stability and 5–12 wt% HDPE for seal stiffness, with 2–4 wt% carbon black masterbatch where ultraviolet opacity is required for exterior storage and 0.5–1.5 wt% processing aid for extended granule-mixed runs. Industry compliance for industrial PE film is anchored to ASTM D4976-19 for material specification, drop impact testing per ASTM D5276-98(2017) for loaded sacks, and tear propagation per ISO 6383-2:1983; hazardous-filler certification requires separate UN packaging retest under ADR/RID 6.1.5, and PF-0118-D alone does not confer UN certification. The downstream extrusion process is a heavy-duty blown film line with 30:1 L/D grooved-feed extruder, die diameter 350–600 mm, die gap 2.0–2.5 mm, blow-up ratio 2.5:1–3.5:1 for gusseted tube, and output 350–600 kg/h; corona treatment is set to 38–42 mN/m for flexographic surface marking, and gusset width is adjustable between 100 mm and 180 mm. Terminal products are 25–50 kg sacks for polyethylene resin, fertilizer, feed compounds, and powder chemical liners. At thickness below 60 µm, the heat-seal jaw temperature window narrows to ±5 °C because the HDPE-rich seam transitions from melt seal to tear seal; on machines with PID-controlled jaw temperature, the set point is 135–145 °C and dwell time 0.6–1.0 s.
For agronomic silage wrap, PF-0118-D is compounded at 65–80 wt% with 10–20 wt% LDPE, 5–10 wt% EVA or mLLDPE for cling after pre-stretch, and 2–5 wt% UV/carbon black masterbatch, producing a 25–40 µm film with opacity above 80% and UV stabilization for 12–24 months of outdoor bale storage. Industry compliance is defined by EN 13207:2018 for silage thermoplastic films, supplemented by ASTM D882-18 for tensile properties, ISO 6383-2:1983 for tear resistance, and ISO 7765-1:2004 for dart impact. The blown film line for this grade operates with a die gap of 2.0–2.4 mm, blow-up ratio 2.2:1–3.0:1, melt temperature 180–200 °C, and film width up to 750 mm before folding; slit-to-width sections are wound with residual elongation in the machine direction for manual or mechanical pre-stretch at 55–70% pre-stretch ratio. Terminal products include round bale wrap, square bale wrap, and greenhouse tunnel curtain film in 30–60 µm thickness where a non-food cultivation environment permits the use of carbon black masterbatch. The operational boundary for direct silage contact is that the film should not be exposed to silage leachate above 40 °C for prolonged periods, because high-temperature organic acids accelerate stress-cracking in PE film weld lines and folded creases.
Extrusion-coated sealant webs for two-component solventless laminates apply PF-0118-D at 55–75 wt% blended with 10–25 wt% LDPE, 5–10 wt% HDPE or PP for stiffness, and 2–4 wt% slip/anti-block masterbatch to control coefficient of friction below 0.35 under ISO 8295:1995. Compliance for food packaging laminates requires evaluation of the complete laminate under FDA 21 CFR 177.1520(c) and EU Regulation (EU) No 10/2011, Annex I Table 1; migration testing is performed according to EN 1186-1:2003, and the sealant layer must meet the overall migration limit of 10 mg/dm². The downstream line is an extrusion coating/laminating unit with a 90 mm extruder, 30:1 L/D, melt temperature 260–280 °C, die gap 0.6–0.9 mm, and chill roll temperature 15–20 °C; coating thickness is set between 12 µm and 25 µm, and the molten web is laminated to PET, OPP, or BOPA with a solventless polyurethane adhesive at 1.5–2.5 g/m². Terminal products are heat-sealable lidding films and 2-ply/3-ply pouches for dry foods, frozen foods, and non-aggressive liquids. Published bond-strength data for this exact PF-0118-D/adhesive combination is limited, so seal initiation and hot-tack testing under ASTM F88/F88M-21 and ASTM F1921/F1921M-20 are required for each laminate construction.
Extruded as 75–100 µm tubular liners for corrugated cartons, rigid intermediate bulk containers and drum inserts, PF-0118-D is added at 75–85 wt% with 5–10 wt% HDPE for stiffness, 5–15 wt% LDPE for fold-flex resistance, 2–3 wt% carbon black for opacity, and 1–2 wt% antistatic masterbatch where powder packaging requires surface resistivity below 1012 Ω/square under IEC 61340-2-3:2016. Compliance for non-food industrial liners uses ASTM D1709-16a for dart impact, ISO 527-3:2018 for tensile properties, and REACH Regulation (EC) No 1907/2006 Annex XVII for chemical restrictions; liner-to-carton friction is checked under ISO 8295:1995 to maintain case-erection feeding. The blown film line is configured with a die diameter of 250–500 mm, die gap 2.0–2.5 mm, blow-up ratio 1.5:1–2.5:1, gusset width 150–250 mm, and melt temperature 185–205 °C; roll widths are slit to 600–1,200 mm with surface treatment optional unless adhesive lamination is specified. Terminal products are drum liners, FIBC inner liners, carton liners for powder and granular chemicals, and pallet hood liners. The main process limitation is the lower BUR range: below 1.5:1 bubble stability becomes machine-specific, and regrind should not exceed 20 wt% to preserve the low-temperature dart impact values required by converter specification under ASTM D1709-16a in 80 µm films.
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NOVAPOL LLDPE PF-0118-D is a butene-comonomer linear low-density polyethylene manufactured by NOVA Chemicals through gas-phase Ziegler-Natta polymerization. The grade is supplied as spherical pellets with a nominal density of 0.918 g/cm³ measured under ASTM D792 and a nominal melt index of 1.0 g/10 min at 190 °C/2.16 kg under ASTM D1238. The resin contains a primary antioxidant and a secondary phosphite processing stabilizer; the base formulation is supplied without slip or antiblock surface modifiers, permitting converters to control coefficient of friction through masterbatch addition under ASTM D1894. The molecular structure consists of a linear ethylene backbone with short-chain branches introduced by butene incorporation. Because Ziegler-Natta catalysis produces a heterogeneous comonomer and branch-length distribution, PF-0118-D exhibits a broader crystallization window than metallocene-catalyzed linear low-density polyethylene and a more defined thermal seal window than high-pressure LDPE. These structural characteristics influence melt rheology, film optics, tear balance, and heat-seal initiation temperature.
The low-shear melt viscosity of PF-0118-D at 190 °C is typical of a 1.0 melt index linear polyethylene. The shear-thinning response follows a power-law index of approximately 0.45–0.55 in capillary rheometry under ASTM D3835 at apparent shear rates between 100 s⁻¹ and 1000 s⁻¹. The flow activation energy is lower than that of high-pressure LDPE and higher than that of HDPE. This affects extruder torque and die pressure response: a change in melt temperature from 190 °C to 220 °C reduces head pressure by approximately 10–15%, while a change in die gap from 1.8 mm to 1.2 mm raises die pressure by 25–40% depending on output. The melt flow ratio, obtained as the ratio of ASTM D1238 values at 21.6 kg and 2.16 kg, is typically between 27 and 30 for this product class; values above 32 indicate lot-specific broadening of molecular weight distribution and should be investigated before flat film conversion.
Lot release for PF-0118-D is governed by density, melt index, melt flow ratio, and pellet contamination. The table below lists the principal physical-property certification parameters and the standards used for verification.
| Parameter | Standard | Nominal value |
|---|---|---|
| Density | ASTM D792 / ISO 1183-1:2019 | 0.918 g/cm³ |
| Melt index | ASTM D1238 / ISO 1133-1:2022 | 1.0 g/10 min |
| Melt flow ratio | ASTM D1238 | 27–30 |
| Melting peak temperature | ASTM D3418 | 121–124 °C |
Certificates of analysis typically report density to 0.0001 g/cm³ and melt index to 0.01 g/10 min. The product is manufactured under ISO 9001-registered quality systems. The polymer contains no intentionally added perfluorinated additives, and the base pellet is not formulated with slip additives or antiblock agents. This absence allows converters to control film surface properties in accordance with end-use requirements; however, films produced from the neat resin exhibit coefficient of friction values greater than 0.50 under ASTM D1894 unless surface modifiers are added. The base resin is manufactured to meet FDA 21 CFR 177.1520 olefin polymer provisions and EU Regulation No 10/2011 when the finished film complies with overall migration limits and specific migration limits for additives. Converters must verify that masterbatch carriers and processing aids also meet these requirements; slip/antiblock masterbatch carriers based on LDPE or LLDPE are miscible, while ethylene vinyl acetate carriers can alter seal initiation and should be evaluated at letdown ratios below 3 wt% due to possible organoleptic changes.
Pellet quality is monitored through bulk density and size distribution. Typical bulk density under ASTM D1895 is 0.48–0.52 g/cm³. Pellet average diameter is 3.0–3.5 mm with length distribution between 2.0–4.0 mm; irregular pellet geometry influences feeding consistency in grooved-feed extruders and should be reported as a nonconformance when pellet length exceeds 5 mm in more than 2% of a sample. Gel count by film optical inspection under ASTM D3351 is typically below 10 gel/m² for 25 µm film, provided the resin is processed at the recommended melt temperature.
On high-output monolayer blown film lines equipped with 60–90 mm grooved-feed extruders and L/D ratios of 24:1 to 30:1, PF-0118-D can be processed at melt temperatures between 190 °C and 220 °C. Barrel profile settings typically begin with a feed zone at 170–180 °C and increase to an adapter and die temperature of 200–215 °C. A die gap of 1.2–1.8 mm and a blow-up ratio between 2.0:1 and 2.8:1 provide a stable bubble; the frost-line height is normally maintained at 4–6 die diameters to balance MD/TD tear strength. When the frost line is lowered to 2–3 die diameters, machine-direction tear under ASTM D1922 improves but dart impact under ASTM D1709 declines; when the frost line is raised above 7 die diameters, bubble flutter and film gauge variation increase. At melt temperatures exceeding 240 °C, oxidative chain scission becomes measurable through melt index drift exceeding 0.2 g/10 min; at melt temperatures below 180 °C, high molecular weight fractions do not fully plasticate, producing gel counts above 10 gel/m² at 25 µm film thickness under ASTM D3351.
Extruder head pressure on a 90 mm line with a 300 mm die and 1.4 mm die gap is typically 280–350 bar. A die lip shear stress above 0.14 MPa is associated with the onset of sharkskin melt fracture in linear polyethylene film extrusion. The melt temperature at the die should be measured with an immersion thermocouple rather than inferred from barrel setpoints, because viscous dissipation in the die land can raise local melt temperature by 10–25 °C above the setpoint at high screw speeds. The processing window for PF-0118-D is therefore bounded on the low end by incomplete melting and on the high end by oxidative degradation and melt fracture.
PF-0118-D differs from hexene-based Ziegler-Natta LLDPE primarily in short-chain branch length. Butene comonomer generates ethyl branches, while hexene generates butyl branches. At equivalent density and melt index, hexene grades generally produce higher dart impact by 20–40% under ASTM D1709 and higher puncture energy under ASTM D5748, but PF-0118-D typically exhibits lower melt pressure and improved bubble stability in narrow die gap extrusion. Compared with metallocene-catalyzed LLDPE, PF-0118-D has a broader composition distribution and higher hexane extractables measured according to FDA 21 CFR 177.1520; optical haze under ASTM D1003 is higher, while gloss under ASTM D2457 at 60° is lower. The processing advantage is a less abrupt drop in bubble stability when output is increased, because the high molecular weight tail contributes sufficient melt elasticity. Against high-pressure LDPE, PF-0118-D provides higher tensile yield strength and elongation under ASTM D882 but lower melt strength; coextrusion with 10–20 wt% LDPE is a common industrial approach when blow-up ratios above 2.8:1 are required.
In cast film coextrusion, PF-0118-D can serve as a core sealing layer, but the lack of slip additive in the base grade requires external surface modification. When compared with a formulated slip/antiblock grade of the same density, PF-0118-D permits a wider range of coefficient-of-friction targets because the additive level is not fixed at the production plant. This flexibility is accompanied by an additional melt blending step at the converter, which may introduce lot-to-lot variance if the masterbatch feeding system is not gravimetric. Masterbatch feeding accuracy should be maintained within ±0.5 wt% of the target letdown ratio to avoid surface roughening and inconsistent seal performance.
In monolayer food-contact films from 20–50 µm, PF-0118-D is used for produce packaging, frozen food liners, and bakery overwrap. Heat-seal initiation temperature at a film thickness of 25 µm is typically 105–115 °C; rotary sealers are set between 115–135 °C with dwell times of 0.3–0.8 s, and the resulting seal strength is measured under ASTM F88. Hot-tack strength under ASTM F1921 is sufficient for vertical form-fill-seal machines only when the cooling time after seal bar release exceeds 0.2 s; higher line speeds require reduced seal-bar mass or additional cooling air. Dart impact values measured under ASTM D1709, Method A, for a 25 µm film at 2.5:1 BUR are approximately 110 g, with machine-direction Elmendorf tear values under ASTM D1922 near 200 g and transverse-direction values near 400 g. Published data for this specific configuration is limited; converter trials are required to confirm lot-specific film properties.
Heavy-duty sack applications at 75–100 µm use PF-0118-D in blend with HDPE to raise modulus. A blend of 80 wt% PF-0118-D and 20 wt% HDPE raises tensile modulus under ASTM D882 by approximately 15–25% but lowers dart impact and Elmendorf tear relative to the neat film. The blending step requires a distributive screw section; layer-to-layer variation in coextruded structures below 2% of target thickness should be controlled to prevent premature tear propagation along the weld line.
The heat-seal strength of PF-0118-D films under ASTM F88 becomes erratic when seal-bar temperatures exceed 145 °C because melt thinning at the seal interface produces edge-beading and inconsistent bond formation. In contrast, temperatures below 105 °C rarely produce a hermetic seal because the polymer surface does not reach the required crystalline melting range. Additive masterbatches containing erucamide or oleamide reduce coefficient of friction but migrate over time; surface coefficient of friction values below 0.20 under ASTM D1894 may require 48–72 h post-extrusion ageing. Organoleptic-sensitive applications require sensory evaluation under ASTM E1620 or equivalent; high levels of recycled diluent or incompatible pigment carriers can introduce off-odor. Pigment loading above 4 wt% masterbatch letdown reduces dart impact and increases haze; dispersive mixing in a barrier screw with a Maddock section is recommended, and filter screens of 100–120 mesh are needed to prevent pigment agglomerates from forming gel-like defects. The resin should be stored in a dry environment; if pellet surface condensation is observed at relative humidity above 60%, drying at 70 °C for 2 h reduces surface moisture to below 0.01% by weight as measured by Karl Fischer titration. Avoid sustained melt temperatures above 240 °C and avoid intensive screw mixing that generates melt temperature increases above 25 °C adiabatic rise, as measured at the die.
