Polycraft Silicone Putty RTV Mould Making Silicone Rubber
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Polycraft Silicone Putty RTV Mould Making Silicone Rubber


Price:  £5.00(Inc. 20% VAT)(£4.17 Exc. VAT)Earn 5 Loyalty Points
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Size:  
Small Plastic Mixing Sticks / StirrerSmall Plastic Mixing Sticks / Stirrer
Quick Link Code:  QL7320 Brand:  Polycraft

Polycraft silicone putty is a fast curing silicone rubber, cured at room temperature with excellent dimensional stability and is used for the rapid reproduction of objects.

Polycraft Silicone Putty is ideal for small mouldings and will replicate excellent detail from the original object producing a strong semi-flexible reusable mould. It has excellent self-releasing properties and will not require release agent for most applications. Ideal for a wide range of impression type moulding applications such as ornate plaster decorations, polymer clay to figurings etc.

PropertiesUnitsValues
Characterization Addition Cured RTV
Aspect Paste
Colour Part A White
Colour Part B Violet
Odour Odourless
Penetration ConeMm/10220 ± 15
Mix Ratio 100:100
Working TimeMinutes2 - 3
Setting TimeMinutes6 - 8
HardnessShore A43 ± 3
Specific Gravityg/cm³1.45 ± 0.02
Elongation%100 - 200
Tensile StrengthMPa1.6 ± 0.3
Tear StrengthKN/m7.0 ± 2.0
Shrinkage (After 24h)%<0.1

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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