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Excellent elasticity and recovery performance across a wide temperature range (−40 °C to 105 °C)
Good processability via injection molding, extrusion, and overmolding onto PP, PS, and ABS substrates
Low compression set (<25% @ 70 °C, 22 h), ensuring long-term sealing and grip integrity
Halogen-free formulation compliant with RoHS and REACH directives
Smooth, matte surface finish with consistent colorability using standard TPE masterbatches
Soft-touch grips for power tools and hand-held electronics
Sealing rings and gaskets for automotive fluid systems
Overmolded components in consumer appliances (e.g., control knobs, handles)
Ergonomic medical device housings requiring skin-safe, non-slip surfaces
Flexible hinges and snap-fit parts in industrial enclosures
| Chemical Type | Thermoplastic Elastomer (TPE-S, Styrenic Block Copolymer based) |
| Product Form | Natural granules, free-flowing, 3–4 mm cylindrical pellets |
| Appearance | Opaque off-white, uniform particle size, no visible specks or agglomerates |
| Primary Applications | Overmolding, soft-touch components, dynamic seals, ergonomic parts |
| Key Features | Elastic recovery, substrate adhesion, halogen-free, low odor |
| Benefits | Reduced assembly steps, improved user comfort, recyclable processing scrap |
| Processing Temperature Range | 180–220 °C (barrel), 30–50 °C (mold) |
| Storage Conditions | Keep in original sealed packaging; store below 30 °C and <50% RH |
Q1: What is Kaiyin TPE 202 primarily used for?
A: Kaiyin TPE 202 is a thermoplastic elastomer modifier designed to enhance flexibility, impact resistance, and melt processability in rigid polymer blends—especially in polypropylene (PP) and polyethylene (PE) systems. It is commonly applied in automotive interior parts, soft-touch overmolding, and durable consumer goods requiring balanced stiffness and elasticity.
Q2: Is Kaiyin TPE 202 compatible with common processing methods?
A: Yes—it is fully compatible with standard thermoplastic processing techniques including injection molding, extrusion, and blow molding. Its thermal stability and low melt viscosity support efficient flow and uniform dispersion in compound formulations without requiring specialized equipment or major process adjustments.
Q3: How should Kaiyin TPE 202 be incorporated into a polymer blend?
A: It is typically introduced via dry blending or side-feeding during compounding. For optimal dispersion, it is recommended to use moderate shear conditions and ensure adequate residence time in the melt zone. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight for property modification in PP-based systems.
Q4: Does Kaiyin TPE 202 require drying before processing?
A: While not highly hygroscopic, it is advisable to condition Kaiyin TPE 202 at 60–70 °C for 2–4 hours prior to high-precision or high-temperature processing to minimize moisture-related surface defects and ensure consistent melt behavior.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
