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Silmar 41 Clear Polyester Casting Resin 1 Gallon with Hardener MEKP DDM-9

Model: 531-Kit

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Silmar 41 Clear Polyester Casting Resin - 1 Gallon with Hardener. This resin is used for castings where a clear product is required. This product is used mainly in decorative applications. Not to be used for laminating materials. A few examples of uses would be clear trophies, awards or decorative pieces.

The appropriate amount of Hardener / Catalyst is included (MEKP DDM-9 or Methyl Ethyl Ketone Peroxide). Mixing instructions and measuring device is included as well. The amount of MEKP needed will vary depending on the thickness of the casting.

Brookfield Viscosity. (RV) #2 @ 20 rpm 400 – 600
 Catalyst %, DDM-9  1.0
Gel Time, min:sec 14:00 – 25:00
Gel to Peak Time, min:sec 35:00 – 60:00
Peak Exotherm F (°C) 175–225 (79-107)
Solids % 62.0 – 64.5



The item has a shelf life of approximately four months. To ensure crystal clear results and proper curing, please make sure to use the resin shortly after purchase.

This item is in stock but due to short shelf life, this product may be shipped direct from the manufacturer.  This may add 1-3 business days to lead time.

This item is flammable and can only be shipped by ground.  If you paid for expedited shipping, we will refund you the difference for it to be shipped by ground.

SDSSilmar 41 Clear Polyester Casting Resin SDS

TDSSilmar 41 Clear Polyester Casting Resin TDS

SDSMEKP (Methyl Ethyl Ketone Peroxide) SDS

  • Model: 531-Kit
  • Shipping Weight: 12lbs
  • 419 Units in Stock
  • Manufactured by: Interplastic

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