Polycraft HT3120 Heat Resistant High Temperature RTV Condensation Cure Silicone Rubber
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Size: 550g Kit (500g Base & 50g Catalyst)Size: 1.1kg Kit (1kg Base & 100g Catalyst)Size: 2.2kg Kit (2kg Base & 200g Catalyst)Size: 5.5kg Kit (5kg Base & 500g Catalyst)Size: 11kg Kit (10kg Base & 1kg Catalyst)Size: 22kg Kit (20kg Base & 2kg Catalyst)

Polycraft HT3120 Heat Resistant High Temperature RTV Condensation Cure Silicone Rubber


Price:  £32.00(Inc. 20% VAT)(£26.67 Exc. VAT)
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Quick Link Code:  QL2466
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Polymerization:  Condensation Cure

Polycraft HT3120 High Temperature Silicone Rubber - Cured SamplePolycraft HT3120 High Temperature Silicone Rubber - Cured Sample

Dow Corning Silastic 3120 Hi Temperature RTV Silicone Rubber - Shore A 60

FC6600 / FC6620 / FC6630 / FC6666 Polyurethane resins are not suitable to be used with condensation cure silicone, these resins must be used with addition cure silicone mould making rubber, any other polyurethane resin that the model number is not listed above will be fine to use with the GP-3481-F silicone.

Silastic 3120 Base is suited for the reproduction of figurines, art objects and similar items where no deep undercuts or complex shapes are present and where maximum heat stability is required. It is suitable for centrifugal casting of low melt alloys, e.g.. metal soldiers etc. Outstanding release properties, High hardness (60 Shore A) for mould rigidity.

• Easily mixed and poured
• Cure at room temperature in any thickness
• Give accurate reproduction of masters for mould making
• Provide wide service temperature ranges

Polycraft HT3120 Silicone Unit
Mix Ratio By Weight 10 Base : 1 Catalyst
Pot Life / Working Time 8 mins
Demould Time 25 mins
Viscosity @ 25°C Poise 280
Shore A Hardness A60
High Temperature Stability to 250°C
Tensile Strength Die C Psi 582
Elongation @ Break % 120
Colour Red

Please note this silicone is powder filled, the filler is added to allow the silicone to withstand high temperatures for hot materials, therefore adds weight to the silicone, so the weight to volume ratio is considerably different, all our high temperature kits are sold by weight.

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.

This silicone is not suitable for food use. It is also not suitable for direct use on skin.

Average Rating (1 Review):  
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Rating:  
Well Packed - Excellent Product
16 March 2015  | 

Have been using this silicone now for several months for casting lead fishing weights, easy to use and gives very durable moulds.

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