Reynolds Advanced Materials
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Polyurethane Rubber Compound

PMC®-744 has been used for years by mold making professionals to cast plaster, concrete, resins, etc. It is excellent for making molds that are strong, durable and dimensionally stable. Low viscosity ensures fine detail reproduction. PMC®-744 is ideal for making ceramic case molds and plaster block molds, reproducing ornamental plaster, making molds for casting concrete, casting a variety of Smooth-On urethane resins, casting wax and making a variety of mechanical rubber parts.

Due to temporary issues with the raw material supply chain, some materials are not currently available for online purchase from the Reynolds webstore. Learn More >

Contact your nearest Reynolds branch to check for local availability >


Subtotal: $0.00
ProductSizeNet WeightPrice Quantity
Shore 44A Hardness Urethane Rubber. 2A:1B By Volume - No Scale Necessary. WARNING: Prop 65 NoticeWARNING: Known to the state of CA to cause cancer, birth defects or reproductive harm -
Look Closer Trial Unit 3 lbs. $46.09
Look Closer Gallon Unit 24 lbs. $252.59
Look Closer 5 Gallon Unit 120 lbs. $1,119.23

Technical & Safety

Technical Bulletin


Additional Documents

alertA release agent is required to remove cured urethane rubber from most surfaces.
alertMany surfaces need to be sealed before applying urethane rubber.