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Pre Pigmented or Coloured RTV Silicone Rubber 13A 33A 45A Shore

£20.80
(£24.96 inc tax)
10 days
Price in points: 1144 points
Reward points: 21 points
Weight: 1.50 kg per item
Pigmented Add Cure
In stock
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Our clear RTV silicone rubbers are now powered by the TOMPS Viscolo Addition Cure Range. Although this rubber appears un-branded, it is in fact manufactured by one of the world's leading RTV Formulators and Manufacturers.

This RTV has fantastic elongation to break and tear resistance. Its incredibly low viscosity allows efficient home production casts in rigid moulds or add cure silicone moulds with release agents.

Key Information:

13A Version

  • Potlife - 40 to 50 mins
  • Demould - 2.5 to 3 hrs
  • Viscosity - 4500cps
  • Mix Ratio - 1:1 by weight or volume

33A Version

  • Potlife - 40 to 50 mins
  • Demould - 2.5 to 3 hrs
  • Viscosity - 4500cps
  • Mix Ratio - 1:1 by weight or volume

45A Version

  • Potlife - 10-12 mins
  • Demould - 1-1.5 hrs
  • Viscosity - 8000cps
  • Mix Ratio - 1:1 by weight or volume

We supply our Coloured RTV as a clear with seperate pigment. This is due to an automatic thixotroping effect caused by the pigment. Simply add the pigment to your mixes as you make them @ up to 10%. Some colours need more than others to provide opacity. At less than 1% you wil find quite a translucent mix can be achieved. We now offer other colours. See the option list.

We include 50g pigment for the 500g kit and 50g pigment per 500g of base rubber total.

Please see our main items of Addition cure 13, 33, 45A for datasheets however the MSDS is a family datasheet covering all shores.

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 Add 1% pigment or Winsor & Newton Artist Oil if colouring 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.

Technical Data Sheet (viscolo_13_TECH.pdf, 186 Kb) [Download]

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