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Polycraft S-30 RTV Addition Cure Silicone Rubber Shore A 30

Polycraft S-30 RTV Addition Cure Silicone Rubber Shore A 30
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Our Price:  £27.50(Inc. 20% VAT)(£22.92 Exc. VAT)Earn 27 Loyalty Points

Quick Link Code:  7333
Brand:  Polycraft

Small Plastic Mixing Sticks / StirrerSmall Plastic Mixing Sticks / Stirrer

*Image(s) For Illustration Purpose Only

Shore A 30 Addition Cure Silicone - Easy 10:1 ratio

Low Shrinkage with good tear strength, excellent resistance to concrete.

This silicone is suited for the detailed reproduction of figures, art objects and similar items ,

Features :
Outstanding release properties
Good Flowabilty and long working time
Soft Hardness for detailed concrete moulding.
Good tear resistance
Low Shrinkage
Good elasticity for easy removal of complex replica parts
Can be made thixo tropic (non flow able) for vertical surface replication
Cure time can be accelerated with heat.

Cured Properties of Polycraft S-30 Silicone
Mix Ratio : 10:1 (by weight)
Working Time : 60 Minutes @ 23°c
De-Mould Time : 24 Hours
Mixed Viscosity mPas : 13,500
Hardness Shore A : 30
Elongation @ Break % : >800
Tear Strength kN/m : 22
Full Cure : 24 Hours  @ 23°c
Minimum Cure Temperature : 20°c as lower temperatures may inhibit cure of silicone.

Kit Size's:

1.1Kg kit = 1Kg Silicone - 100g Catalyst
2.2kg kit = 2kg Silicone - 200g Catalyst
5.5kg kit = 5kg Silicone - 500g Catalyst
11kg kit =  10kg Silicone - 1kg Catalyst

Instructions & datasheet downloads available on tab above. 

Please note this silicone is not suitable for food use. It is also not suitable for direct use on skin.

Inhibition of Cure
Great care must be taken when handling and mixing all addition-cured silicone elastomer systems, that all the mixing tools (vessels and spatulas) are clean and constructed in materials which do not interfere with the curing mechanism, do not use wood and paper mixing utensils. The cure of the rubber can be inhibited by the presence of compounds of nitrogen, sulphur, phosphorus and arsenic; organotin catalysts and PVC stabilisers, epoxy resin catalysts and even contact with materials containing certain of these substances e.g. moulding clays, sulphur vulcanised rubbers, condensation cure silicone rubbers, wood, paper, cardboard, onion and garlic.

Base and catalyst use universal containers for various kit sizes and are supplied by weight, while the supplied containers may not be full, they will contain the correct amount of both base and hardener according to the listing. At point of packaging and dispatch lids may be taped to prevent damage or spillage during transportation.

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