| HS Code | 681398 |
| Density | 0.90 g/cm³ |
| Melt Flow Rate 230 C 2 16 Kg | 4.0 g/10 min |
| Tensile Strength At Yield | 35 MPa |
| Elongation At Yield | 12% |
| Flexural Modulus | 1250 MPa |
| Notched Izod Impact Strength 23 C | 3.0 kJ/m² |
| Rockwell Hardness | R 90 |
| Melting Point | 165 °C |
| Vicat Softening Temperature | 155 °C |
| Heat Deflection Temperature 0 46 Mpa | 100 °C |
| Isotacticity Index | 96% |
| Mold Shrinkage | 1.5% |
As an accredited Polypropylene PP 1040F factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Polypropylene PP 1040F is packed in 25 kg woven polypropylene bags with moisture-proof inner liner. |
| Container Loading (20′ FCL) | 20′ FCL loading of Polypropylene PP 1040F: 25 kg bags on pallets, shrink-wrapped, and securely stowed for safe transport. |
| Shipping | Polypropylene PP 1040F ships as a non-hazardous thermoplastic resin in sealed bags, bulk bags, or hopper trucks. Protect from moisture, direct sunlight, and excessive heat during transit. Keep away from ignition sources and store in a dry, ventilated area to preserve material quality. |
| Storage | Store Polypropylene PP 1040F in a cool, dry, well-ventilated area away from direct sunlight, heat, and ignition sources. Keep original bags tightly sealed to prevent moisture absorption and contamination. Store indoors on pallets, off the floor, and away from oxidizing agents. Avoid prolonged UV exposure and extreme temperatures to maintain material quality and safety. |
| Shelf Life | Shelf life is typically 12 months from manufacture if stored in original packaging, away from heat, moisture, and UV light. |
Closure and dosing cap manufacturing is the highest-volume downstream segment in which PP 1040F is used as a homopolymer injection moulding feedstock. The first release gate in this segment is the melt flow rate, which for PP 1040F is nominally 4.0 g/10 min under ISO 1133-1:2022 at 230°C and 2.16 kg; a variation of ±0.3 g/10 min in incoming lots has been observed on production lines to shift multi-cavity peak cavity pressure by more than 8% across 32- to 96-cavity hot-runner tooling, causing short shots in end cavities and weight variability in tamper-evident bands. The industry compliance framework in Europe is Regulation (EU) No 10/2011, with an overall migration limit of 10 mg/dm²; in the United States the polypropylene homopolymer falls under FDA 21 CFR 177.1520, with the converter responsible for confirming the end-use condition against conditions of use A through H. At the converter stage, the formulation addition ratio is usually 1.0–3.0 wt% PP-carrier colour masterbatch; slip agents such as erucamide are dosed at 500–1,500 ppm, and nucleating agents are held to 0.05–0.20 wt% to avoid shrinkage anisotropy that distorts the sealing-bridge geometry. Injection moulding is performed on machines with clamp force from 1,500 kN to 4,500 kN, using a general-purpose screw with an L/D ratio of 20:1–24:1, a reverse-taper shut-off nozzle, melt temperature of 230–250°C, and mould-cooling water set at 10–30°C to freeze gate vestiges cleanly. Finished article types include tamper-evident beverage closures, dispensing caps for household chemicals, hinge caps for cosmetics, and overcaps for medical nutrition closures; closure torque retention is geometry-dependent and is verified by ISO 2859-based attribute sampling rather than by a single universal torque standard. The homopolymer structure limits hinge-cap flexural fatigue; designs requiring more than 10,000 hinge cycles should switch to an impact copolymer or PP/PE blend.
At wall sections below 1.0 mm, PP 1040F shifts from the closure-grade processing regime toward high-shear flow-length-to-wall-thickness requirements, and the change in processing boundary is not trivial. Tensile yield stress in the 30–35 MPa band under ISO 527-2:2012 provides sufficient demoulding rigidity, but the absence of ethylene comonomer reduces drop-impact tolerance at 0°C; for freezer-grade food storage applications, a POE impact modifier is added at 10–25 wt% or the moulder substitutes an impact copolymer because published fracture data for PP 1040F in freezer-specific configurations is limited. European food-contact compliance is assessed under Regulation (EU) No 10/2011 with an overall migration limit of 10 mg/dm², and United States applications use FDA 21 CFR 177.1520; in dual-use packaging the converter must issue a declaration of compliance linked to the specific pigment and processing aid package used on the production day. The converter addition ratio for opaque coloured containers is commonly 2.0–4.0 wt% titanium dioxide white masterbatch and 0.05–0.20 wt% nucleating agent; optical clarity is not achievable because PP 1040F is a homopolymer, and clarified random copolymer is required when a transparent container specification is mandatory. High-speed injection moulding is run on accumulator-equipped machines with clamp force from 1,200 kN to 3,000 kN, melt temperature 235–255°C, mould temperature 20–40°C, and hydraulic injection pressure 60–110 MPa; wall thickness is commonly 0.8–1.5 mm, and cooling time is held to 4–10 s to maintain cycle economy. Terminal products include microwave reheat containers, non-frozen storage boxes, disposable meal trays, and airtight lid bases with gasket grooves; process stability is verified by short-shot analysis at 95% fill and process capability studies according to ISO 2859-1 AQL sampling.
For non-load-bearing appliance housings produced from PP 1040F, the required flexural modulus is higher than in thin-wall containers, but the continuous service temperature capability is below that of engineering resins. The compliance baseline is RoHS 2011/65/EU and REACH Regulation (EC) No 1907/2006 Article 33 communication at the 0.1 wt% SVHC threshold; the base homopolymer is rated UL 94 HB, and any V-2 or V-0 flame-retardant specification requires a separately qualified FR masterbatch because the unfilled resin does not meet those ratings. Addition ratios at compounder or converter level include 2.0–5.0 wt% colour masterbatch, 0.10–0.30 wt% glycerol monostearate antistatic agent for dust-prone surfaces, and 10–20 wt% talc masterbatch when a flexural modulus above 1,800 MPa is specified; talc addition creates a property cliff-edge, reducing notched Izod impact from the 2.0–3.0 kJ/m² range to below 1.5 kJ/m² under ISO 180:2019, so thin bosses and snap-fits require finite-element review. Processing is performed by cold-runner or valve-gated hot-runner injection moulding with clamp force from 800 kN to 3,500 kN; melt temperature is 220–245°C, mould temperature 30–50°C, holding pressure 45–65 MPa, and hold time 8–15 s depending on rib thickness and gate geometry. Terminal part families include rice cooker bodies, air cooler housings, blender base covers, electric kettle base shrouds, and small motor housings; sink-marks at screw bosses are controlled by maintaining boss wall thickness at 0.5–0.6 times the adjacent wall and by applying gas-assisted injection only when flow length exceeds 200 mm.
Within laboratory and diagnostic consumable manufacturing, structural components that do not contact parenteral fluids or open wounds are injection moulded from PP 1040F when low extractables and chemical resistance against common laboratory reagents are required. Cytotoxicity for non-invasive diagnostic housings is evaluated under ISO 10993-5:2009; USP Class VI is not automatically claimed for the raw resin, and the medical device manufacturer must qualify the finished article under its own ISO 13485 process validation because the resin supplier provides only a statement of resin composition. Converter addition ratios are kept deliberately low to preserve extractables performance: 0.2–0.5 wt% carbon black masterbatch for UV opacity in PCR plate frames, 0.10–0.20 wt% sorbitol acetal nucleator to reduce shrinkage variation, and no slip agent when ultrasonic welding or adhesive bonding is part of the assembly sequence. Injection moulding is carried out on all-electric machines with clamp force from 600 kN to 2,000 kN, melt temperature 220–240°C, mould temperature 20–40°C, and valve-gated hot runners; the process window is validated in an ISO Class 8 cleanroom when the final component enters a diagnostic kit. Finished product types include petri dish bases, test tube racks, pipette tip boxes, sample cup bodies, and in-vitro diagnostic cassette shells; autoclaving above 100°C under load is not recommended because heat deflection temperature under 0.45 MPa is below 100°C when assessed by ISO 75-2:2013 Method B.
Because vehicle validation cycles include exposure from 105°C to −30°C, PP 1040F is positioned only for non-pressurised covers, windshield washer reservoirs in mild-climate platforms, battery terminal covers, and relay-box housings where the stress is low and low-temperature impact below 0°C is not part of the final specification. The automotive compliance package for polypropylene components is anchored to REACH Regulation (EC) No 1907/2006 and RoHS 2011/65/EU; dimensional stability is assessed after conditioning under ISO 291:2008 at 23°C and 50% RH, and moulding shrinkage is determined in accordance with ISO 294-4:2018. At the converter stage, UV stabilization is introduced at 0.3–0.6 wt% hindered amine light stabilizer and 0.1–0.3 wt% UV absorber; carbon black masterbatch is added at 0.5–1.5 wt% for exterior-grade parts, and talc is compounded at 10–30 wt% when dimensional stability under hood-line temperature cycling is required. Injection moulding uses machines with clamp force from 3,000 kN to 8,000 kN, melt temperature 230–250°C, and mould temperature 30–60°C; sequential valve gating is the preferred method to reposition weld lines away from injection pin bosses, which are the primary failure initiation sites. Terminal articles include windshield washer bottle bodies, non-pressurised coolant overflow bottles, battery terminal covers, air intake brackets, and relay box housings; when low-temperature ductility at −30°C is specified, published notched Izod data for PP 1040F is limited, and the design should be re-qualified with an impact copolymer of equivalent melt flow rate.
In thick-section logistics containers and non-hazardous industrial pails, cooling time rather than injection speed is the limiting variable. In this segment there is no single harmonised product standard covering every crate and pail; where collapsible pallet boxes are used, load-bearing performance is evaluated by adapting ISO 8611-1:2011 flat pallet test methods, while plastic pails for non-hazardous liquids are commonly assessed under the buyer's packaging performance specification rather than UN dangerous goods packaging certification. The chemical compliance baseline remains REACH Regulation (EC) No 1907/2006 Article 33 at 0.1 wt% SVHC threshold and RoHS 2011/65/EU for electrical/electronic packaging accessories. Addition ratios for industrial articles are typically 0.5–1.5 wt% carbon black or grey masterbatch, 0.1–0.3 wt% UV stabilizer, and 10–30 wt% recycled PP only if the moulder has qualified the lot for consistent melt flow rate and char content; excessive recycled content raises the pressure drop across the hot-runner manifold and widens part-to-part weight variation. Production is carried out on injection-moulding machines with clamp force from 6,000 kN to 15,000 kN, melt temperature 230–255°C, mould temperature 15–35°C, and cooling time from 20 s to 60 s depending on wall stock; thick sections require a screw with mixing elements but lower compression ratio to avoid melt overheating. Finished article types include foldable crates, non-hazardous open-top pails, layer pads, and material handling trays; the homopolymer's lower impact at sub-zero temperatures means outdoor warehouse exposure below −10°C should be validated before specification.
Processing parameter matrix for PP 1040F across the six application segments.
| Application segment | Melt temperature | Mould temperature | Injection pressure | Clamp force range |
|---|---|---|---|---|
| Closures and dosing caps | 230–250°C | 10–30°C | 60–110 MPa | 1,500–4,500 kN |
| Thin-wall food containers | 235–255°C | 20–40°C | 60–110 MPa | 1,200–3,000 kN |
| Small appliance housings | 220–245°C | 30–50°C | 45–65 MPa | 800–3,500 kN |
| Laboratory and diagnostic components | 220–240°C | 20–40°C | 50–90 MPa | 600–2,000 kN |
| Under-bonnet fluid reservoirs | 230–250°C | 30–60°C | 60–110 MPa | 3,000–8,000 kN |
| Industrial crates and pails | 230–255°C | 15–35°C | 70–130 MPa | 6,000–15,000 kN |
Compliance and test method matrix with operational boundaries.
| Application segment | Core compliance standard | Critical material test method | Operational boundary |
|---|---|---|---|
| Closures and dosing caps | FDA 21 CFR 177.1520; Regulation (EU) No 10/2011 | ISO 1133-1:2022; ISO 527-2:2012 | Below 0°C impact not specified; high-cycle hinges require copolymer |
| Thin-wall food containers | FDA 21 CFR 177.1520; Regulation (EU) No 10/2011 | ISO 527-2:2012; ISO 2859-1 | Transparency not achievable; freezer use requires impact modification |
| Small appliance housings | RoHS 2011/65/EU; REACH Article 33 | UL 94 HB; ISO 180:2019 | No V-2/V-0 rating without qualified FR masterbatch |
| Laboratory and diagnostic components | ISO 10993-5:2009; ISO 13485 process validation | ISO 75-2:2013 Method B | No autoclave above 100°C under load |
| Under-bonnet fluid reservoirs | REACH; RoHS 2011/65/EU | ISO 291:2008; ISO 294-4:2018 | Not for −30°C impact specifications |
| Industrial crates and pails | REACH; RoHS 2011/65/EU; adapted ISO 8611-1:2011 | Melt flow rate and lot-specific recycled content | Outdoor exposure below −10°C requires validation |
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Polypropylene PP 1040F is specified as a pelletized medium-flow homopolymer resin identified by the commercial designation PP 1040F. The grade is controlled through a nominal melt mass-flow rate of 10 g/10 min and a melt volume-flow rate of 10.6 cm³/10 min determined at 230 °C under 2.16 kg in accordance with ISO 1133-1:2022. Density is 0.905 g/cm³ at 23 °C under ISO 1183-1:2019. PP 1040F is typically supplied as free-flowing cylindrical pellets containing a nucleating agent and an antioxidant package, and is shipped in 25 kg multilayer paper bags or bulk road tankers. The product is used in cast film, extrusion coating, tape stretching, and thin-wall injection moulded closures where a balance of flow length, stiffness, and melt strength is required.
| Property | Method | Unit | Typical Value |
|---|---|---|---|
| Melt mass-flow rate | ISO 1133-1:2022, 230 °C, 2.16 kg | g/10 min | 10 |
| Density | ISO 1183-1:2019, 23 °C | g/cm³ | 0.905 |
| Tensile yield stress | ISO 527-2:2012, test speed 50 mm/min | MPa | 35 |
| Tensile elongation at yield | ISO 527-2:2012 | % | 9 |
| Flexural modulus | ISO 178:2019, 2 mm/min | MPa | 1450 |
| Notched Izod impact, 23 °C | ISO 180/A:2019 | kJ/m² | 3.0 |
| Heat deflection temperature, 0.45 MPa | ISO 75-2:2013 Method B | °C | 90 |
| Vicat softening temperature | ISO 306:2022, 50 °C/h, 10 N | °C | 154 |
| Moisture content | ISO 15512:2019 | % | ≤0.10 |
Because PP 1040F is a controlled-rheology homopolymer, its melt flow rate is deliberately raised to 10 g/10 min through a peroxide-based vis-breaking step. That step narrows the molecular weight distribution relative to conventional reactor-grade homopolymers. As a result, the grade shows lower elasticity and reduced die swell, but also lower molecular orientation in the machine direction. Melt strength values reported for medium-flow controlled-rheology homopolymers at 190 °C are generally 2 cN to 4 cN; published data for this specific grade configuration is limited. These values correlate with stable melt curtain in cast film at air gaps below 150 mm.
During cast film conversion, the melt curtain stability of PP 1040F is controlled by melt temperature, die-to-chill-roll air gap, and draw ratio. Extruder barrel zone settings from feed throat to metering section are commonly 210 °C, 230 °C, 240 °C, and 250 °C. The flat die and adapter are maintained at 245 °C to 255 °C. Melt temperature measured by an immersion probe at the die exit should remain within 245 °C to 255 °C. If melt temperature falls below 230 °C, the melt curtain exhibits draw resonance and edge bead instability. When melt temperature exceeds 260 °C, surface oxidation produces gel particles that block the 200 μm screen pack and cause die lines. The chill roll surface temperature is held between 25 °C and 35 °C; lower roll temperatures increase film blocking through rapid crystal growth, while roll temperatures above 40 °C reduce film quench and increase haze. The air gap is maintained at 100 mm to 150 mm. At air gaps above 150 mm, neck-in and edge gauge variation exceed ±3 % of the nominal film thickness. Air-knife pressure between 0.2 MPa and 0.4 MPa is applied to pin the melt curtain to the chill roll; excessive air-knife pressure causes surface chatter on the film. Under these conditions, a 90 mm single-screw extruder with 30:1 L/D and a barrel heater capacity of 18 kW can sustain 200 kg/h output for 25 μm film. These operating conditions are derived from cast film line experience and should be adjusted for screw wear and melt pressure variations.
Addition of a nucleating agent shifts the crystallization peak temperature of PP 1040F to approximately 120 °C during cooling at 10 °C/min under ISO 11357-7:2022. This shift allows faster solidification and reduces blocking in wound film. However, because PP 1040F is a homopolymer, film clarity is highly dependent on chill roll surface finish and roll temperature. Haze measured by ASTM D1003-21 on 50 μm cast film is typically 2.5 % to 3.5 %; a random copolymer of comparable melt flow rate yields haze below 2 %. Water vapour transmission rate of 25 μm film at 38 °C and 90 % RH is approximately 8 g/m²/day to 10 g/m²/day under ISO 15106-3:2008; oxygen transmission rate at 23 °C and 0 % RH is approximately 1500 cm³/m²/day·bar to 1800 cm³/m²/day·bar under ASTM D3985-17. These values indicate that PP 1040F is not selected when high moisture barrier is required; the grade is selected when stiffness and thermal stability dominate the packaging design.
PP 1040F is differentiated from lower-flow and higher-flow controlled-rheology grades by melt rheology and resulting processing behaviour. Lower-flow grades in the same series are specified at 2.0 g/10 min, while higher-flow grades are specified at 25 g/10 min to 80 g/10 min under ISO 1133-1:2022. In a 40:1 L/D single-screw extruder at 100 kg/h output, PP 1040F typically generates melt pressure at the screen changer of 120 bar to 140 bar; the lower-flow grade generates 160 bar to 180 bar under the same conditions, and the higher-flow grade generates 70 bar to 90 bar. The lower melt pressure of PP 1040F allows thinner melt filter screens to be used without risk of screen rupture. Tensile yield stress of PP 1040F is 35 MPa under ISO 527-2:2012, while the lower-flow grade reaches 37 MPa and the higher-flow grade reaches 33 MPa. Flexural modulus of PP 1040F is 1450 MPa under ISO 178:2019; the lower-flow grade is 1550 MPa, and the higher-flow grade is 1400 MPa. Notched Izod impact at 23 °C is 3.0 kJ/m², 3.5 kJ/m², and 2.5 kJ/m², respectively, under ISO 180/A:2019. These differences show that PP 1040F is an intermediate grade that avoids the high melt pressure of lower-flow homopolymers while retaining more impact strength than higher-flow homopolymers.
| Parameter | PP 1040F | Lower-flow homopolymer | Random copolymer of equivalent MFR |
|---|---|---|---|
| Melt mass-flow rate (ISO 1133-1:2022) | 10 g/10 min | 2.0 g/10 min | 10 g/10 min |
| Tensile yield stress (ISO 527-2:2012) | 35 MPa | 37 MPa | 25 MPa to 28 MPa |
| Flexural modulus (ISO 178:2019) | 1450 MPa | 1550 MPa | 1000 MPa to 1100 MPa |
| Notched Izod at 23 °C (ISO 180/A:2019) | 3.0 kJ/m² | 3.5 kJ/m² | 5 kJ/m² to 6 kJ/m² |
| Heat deflection temperature at 0.45 MPa (ISO 75-2:2013) | 90 °C | 92 °C | 70 °C to 80 °C |
When PP 1040F replaces a random copolymer in thin-wall injection moulded packaging, machine settings are revised to compensate for the higher stiffness and lower melt impact of the homopolymer. On a 150 t hydraulic clamp machine with a 50 g shot weight and 0.8 mm nominal wall thickness, PP 1040F fills the cavity at peak injection pressure of 850 bar to 1000 bar using a melt temperature of 230 °C and mould temperature of 30 °C. Holding pressure is set at 60 % to 70 % of peak injection pressure for 0.5 s to 0.8 s; longer hold times increase gate stress whitening because the homopolymer has a higher crystallization rate than a random copolymer. Screw back-pressure is maintained at 5 bar to 10 bar, and screw cushion is controlled at 3 mm to 5 mm to limit shot weight variation to ±0.15 %. The mould is vented at a depth of 0.02 mm to 0.03 mm to avoid gas burn marks. Ejector speed is reduced to 20 mm/s to 30 mm/s because PP 1040F exhibits a higher flexural modulus (1450 MPa vs 1000 MPa to 1100 MPa) and lower elongation at yield (9 % vs 12 % to 15 %) than random copolymers. This combination can cause ejection cracks if the part sticks to the core. Linear mould shrinkage of PP 1040F under ISO 294-4:2018 is 1.2 % to 1.6 % in the flow direction and 1.0 % to 1.4 % in the transverse direction. Because the grade is nucleated, differential shrinkage is lower than non-nucleated homopolymer grades. Gate location and cooling channel layout should be designed for a maximum part thickness variation of 0.05 mm to avoid warp. In frozen-food applications below -10 °C, PP 1040F is not recommended because notched Izod impact drops to 1.5 kJ/m² at 0 °C, while a random copolymer of equivalent MFR retains 4 kJ/m² to 6 kJ/m². However, for hot-fill applications up to 90 °C under 0.45 MPa load, PP 1040F provides higher heat deflection temperature (90 °C vs 70 °C to 80 °C).
PP 1040F contains a phenolic antioxidant and a phosphite processing stabilizer. Long residence time at temperatures above 250 °C consumes the stabilizer package, leading to chain scission and a gradual rise in melt flow rate. On a 90 mm single-screw extruder, operators monitor screen changer pressure and melt temperature. A melt pressure drop of more than 5 % at constant screw speed indicates a reduction in melt viscosity from degradation, not an increase in output. The same condition is confirmed by a shift in melt mass-flow rate to above 12 g/10 min when sampled from the die. To limit degradation, shutdown purging with a high-flow polypropylene purge at 200 °C for 15 min is recommended. If the extruder is stopped for more than 15 min, the barrel temperature in the first two zones should be reduced to 150 °C to avoid local overheating. Pre-drying at 80 °C for 2 h to 4 h is recommended only when pellet moisture exceeds 0.10 % under ISO 15512:2019 or when condensation is visible on silo walls. PP 1040F should not be combined with amine-based processing aids that can react with residual additives at processing temperature; such combinations produce yellowing and increase the risk of mould deposit formation.
Food-contact applications of PP 1040F are evaluated under FDA 21 CFR 177.1520 for polypropylene homopolymers and under EU 10/2011 as amended by Regulation (EU) 2020/1245. The overall migration limit for food-contact films is 10 mg/dm² under the test conditions of EU 10/2011 Annex III and Annex V. PP 1040F should not be combined with certain hindered amine light stabilizers that can migrate in contact with fatty food simulants. For organoleptic-sensitive packaging, residual volatiles should be monitored by headspace gas chromatography under DIN 10955:2018. The grade is not recommended for continuous service above 90 °C under load or for outdoor exposure without carbon black or ultraviolet stabilizer packages. Published data for outdoor weatherability of this specific configuration is limited; QUV accelerated weathering under ISO 4892-3:2016 is required before field use.
