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Item # POLYPRO U4, Polypropylene Mold Release

Formulated specifically for all grades of polypropylene, it will not cause stress cracking associated with silicone type releases. Available in Ultra 4 formulation only.

Available in aerosol.

For details on the Ultra 4 formulation, click here.

Specifications  · Mold Release Formulations


Aerosol Can Size

12 fl oz

Cans Per Case


Shipping Weight

13 lbs

Mold Release Formulations

Ultra 4 Mold Release

The Ultra 4 group of mold releases is a new concept of solvent-less mold releases engineered specifically for plastics that exhibit heightened solvent sensitivity. Release agent deposition is fast, dry, and quick; therefore, it will not effect solvent-sensitive plastics as other mold releases with aggressive solvents may.

The release agents are the same time proven and reliable actives found in our other Ultra mold releases. Use Ultra 4 with complete confidence.

Ultra 4 Mold Release Features and Benefits

  • New generation of solvent free, premium mold releases
  • No time lost waiting for solvent to evaporate for faster molding cycles
  • Net weight of a full 12 ounces per can
  • All active ingredients are heavy duty, low-odor and field proven to be the most effective for their specific plastics.
  • Available in silicone and paintable universal releases as well as plastic-specifics for the right release in any application.
  • Level I Aerosol for easy, convenient and on-site storage

Ultra 4 Mold Release EPA Compliance

Non-flammable by ASTM D3065-01 Aerosol Standard Test Method, visit for details


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