BCC Products BX-31 Urethane Elastomer

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BCC Products BX-31 Urethane Elastomer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Applications: BX-31 is used to make molds of masters that contain moderate undercuts. BX- 31’s physical properties make it ideal for making detailed concrete molds, patterns and formliners. Characteristics: BX-31 is a two-part polyurethane molding system. BX-31 is mixed 100iso:97curative by weight (or 1 Pt-A Iso to 1 Pt-B Curative by volume) and cures at room temperature. BX-31 cures to a low hardness, Shore A 31? 2, light yellow rubber. Ultimate properties are obtained after 3-4 days of room temperature cure. Cure can be accelerated with heat (130-150°F for 12-16 hours) but a slightly harder polymer (34 +/- 2 Shore A) and slight shrinkage will be obtained. Information provided by BCC Products, Inc.
Vendors:

Available Properties

Density, Curative (Part B)
Density, Iso (Part A)
Viscosity, Curative (Part B)
Viscosity, Iso (Part A)
Storage Temperature
Hardness, Shore A
Tensile Strength, ASTM D412
Elongation at Break, ASTM D412
Tear Strength, ASTM D470, split
Tear Strength, ASTM D624-C, Die C
Cure Time, Mix Time
Cure Time, Demold Time
Cure Time, Complete Cure Time
Pot Life
Gel Time
Shelf Life, Iso (Part A)
Shelf Life, Curative (Part B)
Shelf Life

Property Data

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Manufacturer Notes:
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Category Notes
Plastic

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