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404 Tooling Polyester Resin – Isophthalic

404 Tooling Polyester Resin – Isophthalic

SKU:SM-404025

Regular price $29.95 USD
Sale price $29.95 USD Regular price
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98 in stock

Size: 1 Quart
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404 Tooling Polyester Resin – Isophthalic provides superior strength, low shrinkage, and excellent heat resistance, making it the go-to choice for composite professionals. Its dark amber/purple tint ensures consistent coverage and visibility during layups. 

Perfect for:

  • Fiberglass mold construction

  • Marine applications (boat hulls, tooling plugs, repair work)

  • Projects requiring durability under heat and stress

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