Plat 55 Silicone Mold Making Rubber - 5 lb Kit

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Plat 55 is a platinum-based silicone mold making rubber that is perfect for making stiff, stable molds.

  • Complies with FDA 21 CFR 177.2600
  • Great for simple one- or two-piece molds such as silicone pen blank molds
  • 5 lb Kit, Shore A Hardness 50-60 (Medium)
  • $107.25
Qty:  
  • Video Instructions

    Video on working with Plat 55 Silicone Mold Making RubberVideo on Using Plat 55 Silicone Rubber

  • Weight
    90 oz
  • SKU
    DC-20705-5LB

Plat 55 Silicone Mold Making Rubber - 5 lb Kit

Plat 55 is a platinum-based silicone mold making rubber that is perfect for making stiff, stable molds. Great for those larger silicone block style pen blank molds. Platinum cure. Blue color. Requires degassing.

5lb Kit (Silicone & catalyst)

(Mold in the photo is not included - example only)

Plat 55 Silicone Mold Making Rubber Instructions

Plat 55 Silicone Technical Data / Instruction Sheet


Technical Specifications:

Product: Plat 55
Color: Blue
Mix Ratio: 10:1 by weight
Pot Life: 45 minutes
Demold Time (100 gram mass): 6-12 hours
Mixed Viscosity (cps): 80,000 at 130º F
Specific Gravity: 1.29
Shore Hardness (ASTM D2240): 55-60 A
Linear Shrinkage: Nil
Tear Strength (ppi): 85
Tensile Strength (ASTM D638, psi): 700
Elongation (in./in.): 200%
Temperature Resistance: -67º to 395º F


  • Color
    Blue
  • Size
    5lb Kit
  • For Resin Type
    All Casting Resins
  • Manufacturers
    • Manufacturer
      Alumilite
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