Addition Cure RTV Silicone Rubber 33 Shore A 500g to 10kg Kits

£17.30
(£20.76 inc tax)
10 days
Price in points: 952 points
Reward points: 17 points
Weight: 3.00 kg per item
Addition RTV Silicone V33
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TOMPS Viscolo Addition Cure Range RTV Silicone Rubber is a superlative product outlasting all Condensation Cure Silicones and many (if not all!) Addition Cure Rubbers. Although this rubber appears un-branded, it is in fact manufactured by one of the world's leading RTV Formulators and Manufacturers. This Silicone resists PU Fast Cast like no other! We are proud to put our name and brand on the can!

This RTV has fantastic elongation to break and tear resistance, and tests indicate up to 3 times more pulls than a Condensation Cure Rubber using Polyurethane Fast Cast and NO mould release systems! Its incredibly low viscosity allows efficient home production of moulds with minimal air entrapment, even without a degassing unit. Knotty tear propagation is good.

Use viscolo 33 when you need a more durable RTV Silicone and if you wish to have a translucent mould. This rubber may also be coloured, we recommend Windsor & Newton Oils

Key Information:

  • Potlife - 20-22 mins
  • Demould - 3 hrs
  • Viscosity - 7-8000cps
  • Mix Ratio - 1:1 by weight or volume

Please note pictures are for reference and in some cases may not be the exact product, it is to show their packing methods, though every attempt has been made to photograph the actual product!

Datasheets and Safety:
Please note that we no longer print and include datasheets with your order. All datasheets are available for download on the item where your purchase was made. It is the responsibility of the purchaser to download and read the information. Please think of the environment before deciding to print!
Mixing Guide:
Assess volume to fill Half the total volume and measure out Part A in a graduated cup Add the equal volume of part B Stir Well! At least TWO minutes Stand for one minute Pour Demould at 2.5 to 3 hrs If mixing by weight convert CC to GRAMS. eg 500cc = 500g Please allow up to 7 days for full cure, but mould may be used within 5 hrs, however its mouldife will be shorter.

Material Safety Data Sheet (MSDS / CoSHH) (viscolo_family_MSDS.pdf, 73 Kb) [Download]

Technical Data Sheet (viscolo_33_TECH.pdf, 186 Kb) [Download]