1 kg ELASTOSIL M4503

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ELASTOSIL® M 4503

• High extensibility (approx. 350 %)
• Superior tear strength and tear propagation strength
• High extensibility and elasticity
• Very high resistance to polyester cast resins
• Heat-resistant up to 180 °C

Selfreleasing and flexible cast mould mass for replicas using cast ceramic, plaster, polyester and epoxide resins (please use priming wax as protective film and release agent on EP). M 4503 enables condensation-curing.

• Mix ratio: 100 : 5 parts by weight silicone : catalyst T 35 
• Processing time: 90 minutes 
• Time to demoulding: 15 hours at 23 °C
• Viscosity of mixture: 40 000 mPa·s (= pourable)

ELASTOSIL® M 4503 is white in colour and very soft (Shore A: 25), extremely ductile and of mechanical stability (elongation at tear 350 %, tear propagation resistance >20 N/mm).

Prevent ELASTOSIL® M 4503 running by adding thickening agent M.