| HS Code | 790378 |
| Density | 0.90 g/cm³ |
| Melt Flow Rate | 14 g/10 min (230°C, 2.16 kg) |
| Tensile Strength At Yield | 36 MPa |
| Elongation At Yield | 10% |
| Flexural Modulus | 1600 MPa |
| Charpy Impact Notched 23c | 4 kJ/m² |
| Vicat Softening Temperature | 155°C |
| Heat Deflection Temperature 0 45mpa | 90°C |
| Melting Temperature | 166°C |
| Ball Indentation Hardness | 68 MPa |
As an accredited TIPPLEN PP Homopolymer H 543 F factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | TIPPLEN PP Homopolymer H 543 F is supplied in 25 kg bags, palletized and stretch-wrapped for safe handling and storage. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 20-foot container loaded with polypropylene homopolymer in bags or bulk, secured and dry. |
| Shipping | TIPPLEN PP Homopolymer H 543 F is a polypropylene resin supplied as free-flowing pellets. Ship in clean, dry conditions using lined woven bags or bulk containers. Avoid prolonged exposure to heat, moisture, and direct sunlight. Not classified as hazardous, but standard dust precautions apply during handling and transport. |
| Storage | Store TIPPLEN PP Homopolymer H 543 F in a cool, dry, well-ventilated area, away from direct sunlight, heat, and ignition sources. Keep original containers closed and protected from moisture and mechanical damage. Avoid dust accumulation and static electricity. Separate from strong oxidizers. Follow standard polymer storage guidelines; no special requirements if conditions maintained. |
| Shelf Life | Shelf life is 2 years from production when stored unopened in dry, cool conditions, protected from sunlight and heat. |
In chill-roll cast film extrusion at line speeds between 150 m/min and 280 m/min, TIPPLEN PP Homopolymer H 543 F is processed on a 90 mm/30 L/D single-screw extruder with barrier-flight mixing and screen filtration on 60/80/100 mesh layers. Melt temperature at the die adapter is kept between 245 °C and 265 °C, while the coat-hanger die gap is set to 0.8 mm and the polished chill roll temperature is held at 18 °C to 25 °C. The resin melt flow rate is reported at 8.0 g/10 min when measured according to ISO 1133-1:2022 at 230 °C and 2.16 kg, with density controlled under ISO 1183-1:2019 at 0.90 g/cm³. Web stability on this conversion route is sensitive to melt temperature divergence beyond ±3 °C across the die, because local viscosity variation translates directly into transverse gauge bands. Corona pretreating for print adhesion is maintained at 38 mN/m to 42 mN/m, and edge trim reintroduction should not exceed 10 wt% to avoid oxidised gel defects.
Formulation addition ratios for monolayer food-contact cast film remain close to 100 wt% H 543 F; where coefficient-of-friction control is required, gravimetric feeding of 1.5 wt% to 3.0 wt% silica-based anti-block masterbatch and 0.05 wt% to 0.12 wt% erucamide slip masterbatch is used. Regulatory compliance follows EU Regulation No 10/2011 with overall migration below 10 mg/dm², FDA 21 CFR 177.1520(c) for olefin polymers in direct food contact, and EC No 2023/2006 good manufacturing practice. Terminal product types include printed confectionery twist-wrap, label face stock, lamination webs for paper and board, and stationery file overlays.
Sequential biaxial stretching on double-stenter lines with primary sheet outputs from 350 kg/h to 600 kg/h imposes a narrow melt-tension and crystallisation window on TIPPLEN H 543 F. Machine-direction stretching over heated rolls at 125 °C to 135 °C is set to a draw ratio of 4.8:1 to 5.5:1; transverse-direction stretching in the tenter oven at 155 °C to 165 °C is set to 8:1 to 10:1. Final film thickness is controlled between 12 µm and 50 µm, with haze measured according to ASTM D1003-21 and tensile properties measured by ASTM D882-18 at 250 mm/min jaw separation. The main process conflict is that melt temperature below 245 °C increases crystalline haze in transverse stretching, while temperature above 270 °C generates oligomer deposits on tenter clips and limits line uptime. Published production-scale data for H 543 F in high-barrier coated BOPP is limited to standard film conversion, not metallisation-grade capacitor webs.
For BOPP conversion, the core layer is typically 90 wt% to 98 wt% H 543 F with 0.05 wt% to 0.20 wt% erucamide slip masterbatch, 0.08 wt% to 0.25 wt% synthetic silica anti-block masterbatch, and 0.03 wt% to 0.08 wt% hindered phenol/phosphite antioxidant masterbatch. Compliance is anchored to EU Regulation No 10/2011 overall migration below 10 mg/dm², FDA 21 CFR 177.1520(c), and REACH 1907/2006/EC. Terminal downstream products include snack food webs, tobacco overwrap, pressure-sensitive label film, and adhesive tape backing. Operational boundaries include avoiding melt temperatures above 270 °C to suppress oligomer formation and limiting line speed when gauge bands appear with die-pressure variation greater than 2 MPa.
Where liquid board for hot-fill beverage cups and frozen-food cartons is produced by extrusion coating at melt temperatures of 290 °C to 310 °C, the coating weight window for H 543 F typically falls between 12 g/m² and 25 g/m². A 120 mm/32 L/D single-screw extruder with a double-flighted barrier screw feeds a 1.6 m to 2.2 m slot die with an air gap of 150 mm to 250 mm; the chill roll is maintained at 12 °C to 18 °C. Because PP homopolymer develops lower adhesion to unprimed paper than LDPE, process reliability depends on corona pretreating the substrate to 42 mN/m to 46 mN/m and, where direct hot-fill resistance is required, coextruding a maleic anhydride-grafted PP tie layer at 1.0 g/m² to 2.5 g/m². Melt temperature below 285 °C reduces web stability through incomplete draw, while temperature above 310 °C produces oxidised film with perceptible off-odour in boardstock trials.
Addition ratios for the H 543 F skin layer are either 100 wt% neat or 97 wt% to 99 wt% with a calcium carbonate opacity masterbatch; the filled variant is limited to 3 wt% masterbatch for food-contact structures and 5 wt% for non-food stationery. Compliance follows FDA 21 CFR 176.170(c) for paper and paperboard in contact with fatty and aqueous foods, EU No 1935/2004/EC, and EC No 2023/2006 good manufacturing practice. Finished product types include paper cup stock, folding carton liner film, laminated snack-food pouch paper, and repulpable label base.
Primary tape for woven polypropylene sacks is obtained from H 543 F by water-bath quenching an extruded die-slit film, slitting, and orientation in a hot-air oven. The extruder, typically 65 mm/30 L/D with a water-cooled feed throat, runs at melt temperatures between 220 °C and 240 °C; die pressure is held at 18 MPa to 24 MPa to maintain tape gauge consistency of ±5%. Quenched primary tape is stretched at 6.5:1 to 8.5:1 over hot rolls at 120 °C to 140 °C, annealed at 70 °C to 90 °C, and wound with controlled tension to prevent blocking. Below 18 MPa die pressure, melt homogeneity is insufficient for uniform splitting; above 24 MPa, screen-pack bleed and back-pressure instability increase tape break frequency.
Formulation addition ratios for standard-value woven sacks are 2 wt% to 4 wt% calcium carbonate masterbatch to increase stiffness, 0.2 wt% to 0.5 wt% HALS UV stabiliser masterbatch for outdoor storage, and 0.05 wt% to 0.15 wt% internal release lubricant. For FIBC structures, compliance is set by ISO 21898:2004 safe working load classification; for food-contact sack liners, EU Regulation No 10/2011 and FDA 21 CFR 177.1520(c) apply. Terminal product types include cement bags, fertiliser sacks, FIBC bulk containers, and baler twine.
Because high-tenacity polypropylene strapping tape is produced by solid-state orientation of water-quenched sheet, the extrusion stage for H 543 F is run at 230 °C to 250 °C and the draw ratio is increased to 8:1 to 10:1 over multiroll drawing units at 140 °C to 160 °C. Final tape tensile strength measured according to ASTM D3950-17 rises to 300 MPa to 450 MPa, while elongation at break drops below 20%; this requires melt filtered through 100-mesh screens to remove gel particles that initiate draw resonance and edge fibrillation. Solid-state drawing at these ratios creates a brittle failure mode if quench temperature is below 15 °C, because excessive undercooling locks in spherulites too small for stable orientation.
Addition ratios are 95 wt% to 98 wt% H 543 F with 0.15 wt% to 0.30 wt% antioxidant masterbatch and 0.10 wt% to 0.25 wt% nucleating agent masterbatch to stabilise crystal orientation. Regulatory compliance for heavy freight strapping references ASTM D3950-17 mechanical requirements, RoHS 2011/65/EU, and REACH 1907/2006/EC SVHC reporting below 0.1 wt%. Terminal product types include heavy freight strapping, unit-load bundling, carton reinforcement, and coil-pack strip.
Melt spinning of H 543 F through spinnerets with hole diameters between 0.3 mm and 0.5 mm at throughput 0.8 g/hole/min to 1.2 g/hole/min is carried out at melt temperatures from 240 °C to 260 °C. Filaments are quenched in crossflow air at 0.3 m/s to 0.6 m/s, drawn through godet sets at 5:1 to 7:1, and heat-set at 100 °C to 130 °C. Tenacity after drawing reaches 4.0 cN/dtex to 5.5 cN/dtex when measured according to ISO 2062:2009 at 250 mm/min gauge length. Spinneret hole length-to-diameter ratio is maintained at 2:1 to 4:1 to limit die swell and melt fracture. Published production-scale data for H 543 F in multifilament spinning is limited, so pilot-line verification under target quench humidity is required before conversion on high-hole-count spinnerets.
Addition ratios for coloured agro-twine and technical yarn are 2 wt% to 4 wt% colour masterbatch, with spin finish applied at 0.3 wt% to 0.6 wt% by metered kiss roll. Compliance for textile applications is assessed under OEKO-TEX Standard 100 requirements, while REACH 1907/2006/EC applies to finish components. Terminal product types include rope filler yarns, agro-twine, carpet backing yarn, and geotextile yarns used in erosion control mats.
Competitive TIPPLEN PP Homopolymer H 543 F prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
TIPPLEN PP Homopolymer H 543 F is a general-purpose polypropylene homopolymer supplied in pellet form for cast-film extrusion, sheet thermoforming, and monofilament conversion. The grade is polymerised with a Ziegler–Natta catalytic system and stabilised for thermal processing. Its nominal melt flow rate is 8.0 g/10 min when measured at 230 °C under a 2.16 kg load in accordance with ISO 1133-1:2022. Density determined by ISO 1183-1:2019 is 0.90 g/cm³. Water absorption after 24 h immersion at 23 °C is below 0.05% by ISO 62:2008, which means moisture-related viscosity loss is not a processing concern, although surface condensation can still create surface defects. The homopolymer chain architecture produces a crystallinity and melting range that are higher than those of propylene–ethylene random copolymers at comparable melt flow rate; this difference governs stiffness, thermal resistance, and sealing behaviour. H 543 F is intended for layers where sealing is not required or where a stiff non-sealing core or skin is specified. Typical downstream use includes non-seal webs in coextruded cast films, adhesive-laminated print webs, twist-wrap film, and rigid sheet for thermoformed trays.
Extrusion trials and commercial line data for H 543 F typically operate with a barrel temperature profile between 200 °C and 250 °C, with the adapter and die held at 240–260 °C. The melt temperature measured at the screw tip should remain below 270 °C to avoid oxidative chain scission and gel formation. A single-screw extruder with a length-to-diameter ratio of 25:1 to 30:1, a barrier flight section, and a Maddock or spiral mixer is adequate for homogenisation. Melt filtration at 60/100/80 mesh is typical; for thin films, a finer screen pack up to 120 mesh may be used to remove gel particles, but this increases screen-pressure drop and can raise melt temperature locally. The resin is not hygroscopic; surface condensation acquired during cold storage can produce splay, and a dehumidified-air hopper dryer at 60–80 °C for 1–2 h is applied only when condensation is visible. Melt temperature uniformity across the die width is controlled within ±3 °C on cast-film lines because optical haze and thickness variation are sensitive to temperature gradients in the die lip. Screw speed is selected to keep total melt-path residence time below 10 min; stagnant zones in the adapter or die can generate oxidised gel defects that appear as fish-eyes in the film.
On a 30 D single-screw cast-film line equipped with a barrier screw and a 600 mm slot die, H 543 F is processed with a die gap of 0.5–0.8 mm and an air gap of 5–15 cm. The short air gap limits neck-in and melt draw resonance while allowing some melt relaxation before quenching. Chill-roll temperature is held in the 18–30 °C band; the lower portion increases quench rate, reduces spherulite growth, and lowers haze, while the upper portion improves roll-release consistency and reduces post-film curl. Overall line speed depends on film thickness and downstream winding; published data for this specific configuration is limited, but the grade shows no pronounced draw resonance at industrial cast-film rates. Die-lip deposit from oligomeric material becomes visible after prolonged runs at die temperatures above 260 °C; periodic purging and die-lip cleaning are required to prevent surface slits and optical scratches. Melt pressure before the breaker plate is typically recorded in the 150–250 bar range for this melt-flow class in a 30 D extruder, and pressure fluctuation at the screw tip should remain within ±5 bar to avoid thickness oscillation. If edge-thickness oscillation appears, the die-lip bolts are adjusted in the stall zone only; moving the inner bolts changes the cross-web thickness profile without altering the overall die gap. Melt temperature inhomogeneity caused by a worn screw or damaged barrier section produces local haze bands and can be detected by thermal imaging at the die exit. For H 543 F, the difference between the die-body setpoint and the melt temperature at the edge of the die should not exceed 5 °C. At higher temperature differences, edge beads develop during quenching and increase trim waste.
The optical and physical property profile of H 543 F is strongly influenced by chill-roll surface finish and contact pressure. On polished roll surfaces, cast films in the 30–50 µm range typically exhibit haze below 4.0% when tested to ASTM D1003-21 and gloss at 60° above 100 GU when tested to ASTM D2457-21. Publication of exact film values is limited because optical data depend on roll polish, melt temperature, and die-lip cleanliness. Tensile stress at yield measured by ISO 527-2:2012 is approximately 34 MPa, tensile modulus is approximately 1550 MPa, and flexural modulus by ISO 178:2019 is approximately 1500 MPa. Notched Charpy impact at 23 °C by ISO 179-1:2010 is approximately 3.0 kJ/m². Vicat softening temperature by ISO 306:2022 is approximately 154 °C; deflection temperature under load by ISO 75-2:2013 is approximately 90 °C. Differential scanning calorimetry based on ISO 11357-3:2018 places the peak melting endotherm in the 162–165 °C range, and the non-isothermal crystallisation peak on cooling at 10 °C/min typically occurs between 118 °C and 125 °C. These values are typical supplier data and should not be interpreted as product release limits.
The absence of intentional ethylene incorporation in H 543 F differentiates it from random copolymers with similar melt flow rates. Random copolymers containing 2–4 wt% ethylene show lower crystallinity, lower melting point, and lower stiffness but improved low-temperature impact and seal initiation. H 543 F should therefore be specified when a non-sealing layer requires elevated flexural modulus, high Vicat softening temperature, and reduced tack at line temperatures. The comparison below is based on representative class data rather than contractual specifications.
| Property | Test method | H 543 F typical | Random copolymer MFR 8 typical |
|---|---|---|---|
| Melt flow rate | ISO 1133-1:2022 | 8.0 g/10 min | 8.0 g/10 min |
| Density | ISO 1183-1:2019 | 0.90 g/cm³ | 0.90 g/cm³ |
| Flexural modulus | ISO 178:2019 | 1500 MPa | 950–1100 MPa |
| Notched Charpy impact at 23 °C | ISO 179-1:2010 | 3.0 kJ/m² | 8.0–12.0 kJ/m² |
| Vicat softening temperature A50 | ISO 306:2022 | 154 °C | 128–132 °C |
| Seal initiation temperature | Internal seal test | no seal below 150 °C | 115–125 °C |
The higher crystalline fraction also increases dimensional stability at elevated temperature and reduces blocking tendency in wound film. In contrast to heterophasic impact copolymers, H 543 F contains no discrete ethylene–propylene rubber phase; this absence raises modulus and surface hardness but reduces impact strength and deep-draw capacity. Published data for this specific configuration is limited for repeated flex fatigue, but homopolymers of this class whiten earlier than impact copolymers under repeated bending. In cast film, the higher modulus may permit down-gauging by approximately 10–15% relative to a random copolymer film that must meet the same bending stiffness. This down-gauging possibility is limited by the loss of impact strength and should be verified by drop dart testing to ISO 7765-2:2022 or equivalent.
H 543 F is incorporated in coextruded cast film structures as the core or external non-seal layer where the sealant is a propylene–ethylene random copolymer, an mPE, or a plastomer sealant. Corona or atmospheric plasma treatment is required for lamination and printing; the unmodified surface energy of polypropylene is approximately 29–31 mN/m, and treatment should raise wetting tension above 38 mN/m for solvent-based or water-based ink and adhesive wetting. In twist-wrap film, the homopolymer resin provides dead-fold and twist retention, but it does not function as a seal layer. In sheet thermoforming, the high crystallisation rate of homopolymer shortens cycle time; however, the forming window around the crystalline melting range is narrower than that of a random copolymer. Radiant oven settings of 180–200 °C are used to bring sheet surface temperature into the 150–160 °C band. Sheet surface temperature below 150 °C initiates crystallisation and can cause tearing, while surface temperature above 165 °C can produce sag and uneven wall thickness. The grade should not be used as the seal layer in vertical form-fill-seal packaging because the jaw temperature required to create a fusion seal approaches the melting peak and can distort the film before a reliable seal is obtained.
In a typical three-layer A/B/A cast film, H 543 F is placed in the core B layer at 30–50% of total thickness between skins of random copolymer sealant. The melt streams are combined in a feedblock ahead of the single die; melt viscosity matching between skins and core is required to prevent interfacial instability. If the viscosity ratio of skin to core exceeds 1.5:1, the interface can become wavy, producing streaks in the film. The core resin should therefore be selected with a melt flow rate close to that of the skin resin unless a melt pump and separate skin-extruder screw speeds are used to compensate.
Under European food-contact legislation, H 543 F may be used in the production of plastic materials and articles intended for contact with food provided the final article complies with Regulation (EU) No 10/2011, including the overall migration limit of 10 mg/dm² and specific migration limits for additives and monomers. In the United States, polypropylene homopolymer may be evaluated under FDA 21 CFR 177.1520 for olefin polymers, subject to end-use conditions and migration testing. The grade is also assessed under the registration and information requirements of REACH 1907/2006 and, where applicable, the hazardous substance restrictions of RoHS 2011/65/EU. Food-contact compliance is not a property of the resin alone; converting conditions, adhesive layers, printing inks, and regrind content must be controlled and verified in the final article. The product is not supplied with a USP Class VI statement for implantable or pharmaceutical use.
H 543 F is not suitable for applications that require ductile impact response below 0 °C; an impact copolymer or random copolymer should be substituted when low-temperature drop resistance is required. The homopolymer surface does not seal at temperatures below approximately 150 °C, so it must not replace a coextruded random-copolymer sealant in a lidding film. Sustained melt temperatures above 280 °C can consume the stabiliser package and promote gel or colour generation; processing should remain below 270 °C. Outdoor exposure without adequate UV stabilisation causes chalking and embrittlement because the base resin does not contain sufficient long-term weathering protection. The grade is not optimised for blow moulding or high-speed injection moulding and should not be used outside the stated film and sheet processing envelope without line-specific validation. Regrind streams containing random copolymers should be segregated; uncontrolled mixing into H 543 F distorts seal behaviour, haze, and stiffness in the next generation of film.
