N640
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N640

Low Profile Shrink Control Additive

Product description

N640 is intended to reduce shrink in high reactive polyester resins designed for Sheet Molding Compound (SMC) and Bulk Molding Compound (BMC) applications.

Key benefits

  • Suitable for paintable and bondable applications.

  • Provides smooth surface and dimensional control (Zero-shrink to expansion capable).

  • Provides high gloss.

Processing methods

  • SMC/BMC
  • SMC/BMC

Key markets

  • Building & Construction
  • Transportation

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