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

Kaneka Kane Ace B-521 MBS Impact Modifier

Kaneka Kane Ace B-521 is a methacrylate-butadiene-styrene (MBS) impact modifier designed for transparent PVC and engineering plastics. It enhances toughness, clarity, and processability without compromising optical properties. Widely used in rigid packaging, medical devices, and automotive glazing due to its excellent dispersion and thermal stability.
  • kaneka kane ace b 521 mbs impact modifier_a60c5d1a
  • kaneka kane ace b 521 mbs impact modifier_a60c5d1a

Features Of Kaneka Kane Ace B-521 MBS Impact Modifier

  1. Highly efficient impact modification for rigid PVC without compromising transparency.

  2. Excellent compatibility with polyvinyl chloride (PVC) resins, enabling uniform dispersion and stable melt processing.

  3. Enhanced low-temperature impact resistance while maintaining good tensile strength and modulus.

  4. Thermally stable formulation suitable for conventional extrusion, injection molding, and calendering processes.

  5. Low extractables profile, supporting compliance with stringent regulatory requirements for building and construction applications.

Typical Applications Of Kaneka Kane Ace B-521 MBS Impact Modifier

  1. Rigid PVC window profiles and door frames.

  2. PVC pipes and fittings for potable water and drainage systems.

  3. Transparent PVC sheets and blister packaging materials.

  4. Electrical conduit and cable ducts requiring impact durability and flame retardancy support.

  5. Architectural cladding and interior decorative panels.

Specifications Of Kaneka Kane Ace B-521 MBS Impact Modifier

Chemical TypeMethacrylate–Butadiene–Styrene (MBS) Core–Shell Polymer
Product FormFree-flowing white granules
AppearanceOff-white to light yellow granular solid
Primary ApplicationsImpact modifier for rigid and transparent PVC compounds
Key FeaturesTransparency retention, high impact strength, thermal processability
BenefitsImproved drop resistance, reduced brittleness, enhanced surface quality
Recommended Loading Range5–15 phr (parts per hundred resin) in PVC formulations
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight


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