M4503/T35 Condensation Cured Silicone Rubber Expand

M4503/T35 Condensation Silicone Rubber

Buyer Rating: 5 out of 5 from 2 Reviews


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M4503 is especially suitable for reproducing models with pronounced undercuts in casting resins. Other materials, such as wax and plaster, may be cast without any problems in moulds made from M4503.

Recommended for: General Moulding, Large Parts, Plaster & Resin

Potlife & Demould: Work time - 90 mins / Demould time - 24 hrs
Hardness & Type: Shore A25 +/-2 Silicone Elastomer, 40000cps

Pourable, condensation-curing, two component silicone rubber that cures at room temperature and features:

  • Good Flow
  • Low Shore A Hardness (approx 25)
  • High Tear Strength
  • Great extensibility and elasticity
  • Excellent long term stability of the mechanical properties of the cured rubber
  • High resistance to casting resins, particularly polyester

M4503 is used for pour moulds only, it cannot be thickened for brush on applications

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