Castin' Craft - MC Poly Resin Molds

MC Poly Resin Molds

2 3/8 in. dia. x 1 1/8 in. / 2 1/2 oz. / circle
SKU: 36692
MPN: 43850
2 3/8 in. dia. x 1 1/8 in., 2 1/2 oz., circle
List: $6.68
$5.34
SAVE 20%
2 in. x 1 1/2 in. x 1 in. / 2 oz. / rectangular
SKU: 49871
MPN: 43834
2 in. x 1 1/2 in. x 1 in., 2 oz., rectangular
List: $6.68
$5.34
SAVE 20%
3 in. dia. x 1 3/8 in. / 4 oz. / dome shaped
SKU: 55446
MPN: 43877
3 in. dia. x 1 3/8 in., 4 oz., dome shaped
List: $7.58
$6.06
SAVE 20%
2 1/8 in. x 3 1/4 in. x 1 1/8 in. / 4 oz. / rectangular
SKU: 77028
MPN: 43869
2 1/8 in. x 3 1/4 in. x 1 1/8 in., 4 oz., rectangular
List: $6.68
$5.34
SAVE 20%

Perfect for embedding treasures in crystal-clear resin castings

Chemical-resistant polypropylene construction means these molds handle repeated pours without degrading or warping. No mold release needed, cast your resin, let it cure, and pop out finished pieces cleanly. The material's inherent release properties save preparation time and eliminate residue buildup that compromises detail over multiple uses.

Smooth interior surfaces produce glass-like finishes straight from the mold, minimizing post-cure polishing on dimensional pieces. Sharp edges and perpendicular sides maintain geometric precision, particularly valuable when creating multiples that need to match or components that must fit together. The rigid walls resist flexing during cure, preventing distortion in thicker pours.

These molds excel at embedding work, flowers, insects, photographs, found objects, where you need clarity around inclusions and predictable positioning. The consistent wall thickness ensures even curing, reducing the risk of soft spots or incomplete polymerization that plague thinner, flexible molds. Build a collection around the shapes you cast most frequently, confident each mold will deliver dozens of consistent pulls before showing wear.

PRODUCT INFORMATION

  • Chemical-resistant polypropylene construction ensures durability
  • Reusable design eliminates mold release
  • Smooth interior creates glass-like finish
  • Sharp lines and straight sides
  • Ideal for embedding miscellaneous items
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