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PP

PP

Polypropylene

Polypropylene (PP) is a versatile, low-cost thermoplastic known for its excellent chemical resistance, good processability, fatigue resistance, and low density. Available as homopolymer (Homo), copolymer (CoPo), or impact copolymer (ICP), offering a range of properties.

Typical Grades

ModelModification TypeAdditivesKey Performance IndicatorsMain Application Areas
WL-PP (HOMO/COPO)-GEN20% Talc FilledMineral Filler (Talc), 20%Increased rigidity/HDT, Good dimensional stability, Reduced shrinkageAutomotive interior parts (door panels, pillars), appliance housings
WL-PP (HOMO/COPO)-GEN40% Talc FilledMineral Filler (Talc), 40%High rigidity/HDT, Excellent dimensional stabilityAutomotive engine compartment parts (fan shrouds), washing machine tubs
WL-PP (HOMO/COPO)-GF3030% GF Reinforced (Chemically Coupled)Glass Fiber, 30% (Chemically Coupled)High strength/rigidity, Significantly increased HDT, Improved creep resistanceAutomotive structural parts (front-end module carriers), appliance supports
WL-PP (ICP)-IMImpact Copolymer (High Flow)N/A (Impact Copolymer Base)Excellent low-temp impact toughness, Good flow (for thin-wall/large parts)Automotive bumpers (substrate), large containers (crates), thin-wall packaging
WL-PP (HOMO/COPO)-FR30(V2)Flame Retardant V-2 (HFFR)Flame Retardant, 20-30%UL94 V-2, Moderate mechanical properties, Increased densityAppliance internal parts (basic FR needed), junction boxes, corrugated tubes
WL-PP (COPO)-UVUV Stabilized CopolymerUV Stabilizer, 0.5-2%Good weather resistance, Delays outdoor fading and property degradationOutdoor furniture, crates, automotive exterior trim (lower bumper valance)
WL-PP (HOMO/COPO)-GF40Long Glass Fiber Reinforced (LFT-PP)Long Glass Fiber, 20-40%Excellent balance of strength/rigidity/impact toughness, Superior creep resistanceAutomotive front-end modules, dashboard carriers, seat structures, washer drum spiders

Applications

Automotive Components

Automotive Components

Widely used for interior parts, bumpers, fan shrouds, and structural components (especially LFT grades).

Appliances

Appliances

Common in washing machine tubs, appliance housings, internal parts, and supports.

Packaging & Containers

Packaging & Containers

Used for thin-wall packaging, large crates, and outdoor furniture (UV grades).