Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Kaiyin Chemical Impact Modifier 858 Toughener

Kaiyin Chemical Impact Modifier 858 Toughener is a high-performance acrylic-based impact modifier designed for PVC and engineering plastics. It enhances toughness, processability and low-temperature impact resistance without compromising transparency or thermal stability. Widely used in rigid PVC profiles, pipes and automotive parts for superior balance of strength and flexibility.
  • kaiyin chemical impact modifier 858 toughener_d19e1fe4
  • kaiyin chemical impact modifier 858 toughener_d19e1fe4

Features Of Kaiyin Chemical Impact Modifier 858 Toughener

  1. Enhances impact resistance and ductility of rigid PVC, ABS, and polycarbonate blends without compromising tensile strength.

  2. Offers excellent thermal stability during high-temperature processing (up to 200 °C), minimizing degradation and discoloration.

  3. Provides superior compatibility with common engineering thermoplastics, ensuring homogeneous dispersion and long-term phase stability.

  4. Reduces melt viscosity slightly, improving processability in extrusion and injection molding operations.

  5. Halogen-free formulation supports compliance with RoHS, REACH, and UL94 V-0 flame-retardant requirements.

Typical Applications Of Kaiyin Chemical Impact Modifier 858 Toughener

  1. Rigid PVC profiles for window frames and door systems requiring low-temperature impact performance.

  2. Automotive interior trim components made from ABS/PC blends exposed to mechanical stress and temperature cycling.

  3. Electrical enclosures and housings where dimensional stability and drop-impact resistance are critical.

  4. Medical device housings requiring biocompatibility-supporting polymer formulations (ISO 10993-compatible base chemistry).

  5. Consumer electronics casings demanding scratch resistance, gloss retention, and toughness balance.

Specifications Of Kaiyin Chemical Impact Modifier 858 Toughener

Chemical TypeAcrylic core–shell polymer
Product FormFree-flowing white powder
AppearanceUniform granular powder, no visible agglomerates
Primary ApplicationsRigid PVC, ABS, PC, and PC/ABS blends
Key FeaturesHigh graft density, narrow particle size distribution (D50 ≈ 120 nm)
BenefitsImproved notched Izod impact strength (>15 kJ/m² at −10 °C in 5 phr loaded PVC)
Recommended Loading Range3–8 parts per hundred resin (phr)
Storage ConditionsKeep in dry, cool, well-ventilated area; protect from moisture and direct sunlight


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