Smooth-On Smooth-Cast 57D 2 Gallon Kit

$113.99
Availability: In stock (1)

The Smooth-Cast® Semi-Rigid line of low-cost semi-rigid urethane casting resins cure quickly to semi-rigid plastics that offer excellent impact resistance. These plastics are easy-to-use (mix ratio is 1A:1B by volume) and have low viscosities for minimal bubble entrapment. Vibrant colors are possible by adding SO-Strong® color tints or Ignite® color pigments.

These semi-rigid plastics will really take a beating and offer exceptional abrasion resistance. They are good for making high-impact resistance tools, prototypes, abrasion resistant parts, foundry patterns, roller facings, vibration pads, fast concrete stamping pads, etc.

Smooth-Cast® 57D is a semi-rigid urethane plastic that offers a gradual cure profile (does not snap cure), making it suitable for machine or hand rotational casting.

Use For Rotational Casting - Once poured into a suitable rubber mold configuration, the mold can be rotated so that the resin mixture gradually coats the inside of the mold cavity. After an adequate wall thickness is attained inside the mold, the result is a cured hollow casting that is semi-rigid and highly impact resistant.

Use as a Casting Resin – Smooth-Cast® 57D can also be used as a casting resin for making solid, semi-rigid castings that are tough and durable.

Mix Ratio By Volume
1A:1B Mix Ratio By Weight 100A:93B Specific Gravity 1.05 g/cc Specific Volume 26.4 cu. in./lb. Pot Life 3 minutes Cure Time 30 minutes Color Translucent White Shore D Hardness 57 Ultimate Tensile 2,420 psi Elongation @ Break 100 % Shrinkage 0.012 in. / in. Mixed Viscosity 300 cps

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