High Strength Food Grade silicone mouldmaking rubber.
FOOD GRADE SILICONE RTV -400
Is suitable for use with Chocolate, Ice cream and other confectionary and speciality foods, It can be cast or moulded into decorative shapes by using the silicone rubber mould making materials. Mouldcraft© fd silicone rubber is suitable for these applications because of its food-contact status. This rubber, when properly cured and cleansed, is acceptable for food contact in accordance with the requirements of FDA Regulation 21 CFR 177.2600. This regulation, covering rubber articles intended for repeated use, requires end user verification of compliance with applicable total extractives limitations.
Features :
High Inhibition Resistance
High temperature stability to 280° C
Good Cut-Growth Resistance
High Durometer Hardness
Low Shrink
Cures at room temperature within 16 hours or heat curable.
Typical Properties
Base : Transparent
Curing Agent : Transparent
Mix Ratio : 1:1
Base Viscosity (25°c) poise : 1300
Catalyzed Viscosity (25°c) : 900
Cure Time : (25°c) : 16hrs
Shore Ration : 20A
Tensile Strength psi : 650
Elongation, Die c % : 250
Tear Strength, Die b ppi : 90
Cured Properties of  Silicone
Great care must be taken when handling and mixing all addition-cured silicone elastomer systems, that all the mixing tools are clean . 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, onion and garlic.
Kit Contains :
Silicone Rubber Part A
Silicone Rubber Part B
Instruction Sheet available on request
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