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

Cabot PA3785 Masterbatch

Cabot PA3785 Masterbatch is a high-performance carbon black–based pigment concentrate from Cabot’s PA Series, engineered for UV stability, excellent dispersion, and consistent color in polyolefin applications like PP and PE films, fibers, and molded parts.
  • cabot pa3785 masterbatch_22a6a6df
  • cabot pa3785 masterbatch_22a6a6df

Features Of Cabot PA3785 Masterbatch

  1. Highly concentrated carbon black dispersion for exceptional color strength and jetness.

  2. Optimized for polyamide (PA6, PA66) matrices with excellent thermal stability up to 300°C.

  3. Low dust formulation ensuring improved workplace safety and operator handling.

  4. Consistent rheology and melt flow compatibility for trouble-free processing in extrusion and injection molding.

  5. UL94 V-0 compliant when compounded at recommended loadings in flame-retardant polyamide systems.

Typical Applications Of Cabot PA3785 Masterbatch

  1. Automotive under-hood components requiring high heat resistance and dimensional stability.

  2. Electrical connectors and housings demanding EMI shielding and flame retardancy.

  3. Industrial fluid-handling parts exposed to aggressive chemicals and elevated temperatures.

  4. Precision-engineered gears and structural parts in polyamide-based engineering plastics.

  5. Consumer appliance housings requiring consistent matte-black aesthetics and surface hardness.

Specifications Of Cabot PA3785 Masterbatch

Chemical TypeCarbon black masterbatch for polyamide
Product FormFree-flowing granules
AppearanceUniform black granules, no visible specks or dust
Carrier ResinPA6 (polyamide 6)
Carbon Black Content25 wt% ±1%
Density (23°C)1.15–1.20 g/cm³
Melt Flow Index (250°C/2.16 kg)25–35 g/10 min
Recommended Use Level2–5 wt% in final polyamide compound


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