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RTV Silicone Rubber

RTV Mould Making Silicone is by far one of the most popular mould making compounds used today by both Industry and Home Hobby Markets. Its simplicity and speed joined with its accuracy and detail reproduction make it a good choice. Its main downside is its cost, though these days RTV is much cheaper than it used to be and you will find our prices at TOMPS to be very competitive.

Condensation Cure Range : ACC Silicones, TOMPS Value and the NEW TOMPS BUDGET RTV Silicones

Addition Cure: Several hardnesses from 13 to 50 shore A available and kit sizes from half a kilo to 10 kilos. We have a super rapid set rtv called Rapimould and all our add cures are 1:1 by volume or weight, beat that for simplicity!

Specialist RTV: Such as Dow Silastic Heat Resistant RTV Silicone Rubber for white metal, lead and pewter or our jet black 33 shore system for making model car tyres!

Please select a RTV Silicone Category from the options below:

£5.99 (£7.19 inc tax)
No Technical Sheet Available MSDS Available - Product is NON TOXIC - 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!

RTV Silicone Pigment - easy use and easy to mix

In stock

£17.52 (£21.02 inc tax)
ACC Silicones Silicone Oil Fluid 50 cps used for diluting RTV Silicones (condensation cure). Will reduce viscosity making the silicone less prone to air...
In stock

£30.30 (£36.36 inc tax)
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!, 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.

RapiSkin RTV Silicone Mould Making Rubber for skin moulds and more.

In stock

£11.88 £11.29 (£13.55 inc tax)
Technical Data Sheet Material Safety Data Sheet (MSDS / CoSHH) Material Safety Data Sheet (MSDS / CoSHH)- RED CATALYST (FAST) Material Safety Data Sheet (MSDS / CoSHH)- BLUE CATALYST (SLOW) 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!, Assess volume to fill in cubic centimetres Shake catalyst well. Allow to stand to degass To convert to a weight, multiply weight by the SG. (TOMPS Value =1.2). Weigh out Part A (white part) into a suitable container with room for mixing or degassing To calculate catalyst, divide the weight in grams by 100 and multiply by 3 to get 3%. 30g of Catalyst per each kilo is the right ratio. Add the catalyst to the mixing pot and start your timer for potlife. Stir Well! At least ONE minute, be mindful of potlife! Stand for one minute, again be mindful of potlife! Pour Demould at 8-12 hrs (or sooner if using a fast catalyst - please refer to the Technical Data Sheet) Please allow 48 hours to reach 99% cure before use, but mould may be used once demoulded, however its serviceable life will be shorter. If you mix a little short don't panic, mix a little more and pour it in to finish. Even if set, the RTV will stick to itself extremely well.

Super SOFT Economy Budget Silicone with reasonable mould life but very good costings! 15 Shore A. Choice of catalysts.

In stock

£11.88 £11.29 (£13.55 inc tax)
NOTE: VALUE SHORE A25 DATASHEETS IDENTICAL BAR SHORE A HARDNESS ONLY. PLEASE DOWNLOAD THE TDS AND MSDS AND MAKE THIS NOTE. 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!, Assess volume to fill in cubic centimetres Shake catalyst well. Allow to stand to degass To convert to a weight, multiply weight by the SG. (TOMPS Value =1.2). Weigh out Part A (white part) into a suitable container with room for mixing or degassing To calculate catalyst, divide the weight in grams by 100 and multiply by 3 to get 3%. 30g of Catalyst per each kilo is the right ratio. Add the catalyst to the mixing pot and start your timer for potlife. Stir Well! At least ONE minute, be mindful of potlife! Stand for one minute, again be mindful of potlife! Pour Demould at 8-12 hrs (or sooner if using a fast catalyst - please refer to the Technical Data Sheet) Please allow 48 hours to reach 99% cure before use, but mould may be used once demoulded, however its serviceable life will be shorter. If you mix a little short don't panic, mix a little more and pour it in to finish. Even if set, the RTV will stick to itself extremely well.
Medium Hard Economy Budget Silicone with reasonable mould life but very good costings! 25 Shore A. Choice of catalysts. This is the new MEDIUM HARD formula.
In stock

£11.88 £11.29 (£13.55 inc tax)
NOTE: VALUE SHORE A25 DATASHEETS IDENTICAL BAR SHORE A HARDNESS ONLY. PLEASE DOWNLOAD THE TDS AND MSDS AND MAKE THIS NOTE. 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!, Assess volume to fill in cubic centimetres Shake catalyst well. Allow to stand to degass To convert to a weight, multiply weight by the SG. (TOMPS Value =1.2). Weigh out Part A (white part) into a suitable container with room for mixing or degassing To calculate catalyst, divide the weight in grams by 100 and multiply by 3 to get 3%. 30g of Catalyst per each kilo is the right ratio. Add the catalyst to the mixing pot and start your timer for potlife. Stir Well! At least ONE minute, be mindful of potlife! Stand for one minute, again be mindful of potlife! Pour Demould at 8-12 hrs (or sooner if using a fast catalyst - please refer to the Technical Data Sheet) Please allow 48 hours to reach 99% cure before use, but mould may be used once demoulded, however its serviceable life will be shorter. If you mix a little short don't panic, mix a little more and pour it in to finish. Even if set, the RTV will stick to itself extremely well.
Hard Economy Budget Silicone with reasonable mould life but very good costings! 30 Shore A. Choice of catalysts. Been buying value before? This is the new HARD version, you need SOFT if you want the original!
In stock

£20.80 (£24.96 inc tax)
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!, 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.

13 , 33, 45 Shore A - May be coloured by you! - Translucent 1:1 Low Viscosity Rubber - Various Pot & Cure Times

In stock

£11.88 £11.29 (£13.55 inc tax)
Technical Data Sheet Material Safety Data Sheet (MSDS / CoSHH) Material Safety Data Sheet (MSDS / CoSHH)- RED CATALYST (FAST) Material Safety Data Sheet (MSDS / CoSHH)- BLUE CATALYST (SLOW) 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!, Assess volume to fill in cubic centimetres Shake catalyst well. Allow to stand to degass To convert to a weight, multiply weight by the SG. (TOMPS Value =1.2). Weigh out Part A (white part) into a suitable container with room for mixing or degassing To calculate catalyst, divide the weight in grams by 100 and multiply by 3 to get 3%. 30g of Catalyst per each kilo is the right ratio. Add the catalyst to the mixing pot and start your timer for potlife. Stir Well! At least ONE minute, be mindful of potlife! Stand for one minute, again be mindful of potlife! Pour Demould at 8-12 hrs (or sooner if using a fast catalyst - please refer to the Technical Data Sheet) Please allow 48 hours to reach 99% cure before use, but mould may be used once demoulded, however its serviceable life will be shorter. If you mix a little short don't panic, mix a little more and pour it in to finish. Even if set, the RTV will stick to itself extremely well.
Original Hardness Economy Budget Silicone with reasonable mould life but very good costings! 20 Shore A. Choice of catalysts. Been buying value before? This is the original formula!
In stock

£17.30 (£20.76 inc tax)
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!, 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.
Viscolo 33 - Translucent 1:1 Low Viscosity Rubber - Shorter Potlife @ 20 mins
In stock

£17.30 (£20.76 inc tax)
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!, 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.
Viscolo 45 - Translucent 1:1 Low Viscosity Rubber - Short Potlife @ 10-12 mins - Cured 1-1.5hrs
In stock

£17.30 (£20.76 inc tax)
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!, 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.
Viscolo 13 - Translucent 1:1 Low Viscosity Rubber - Longer POT @ 40-50 mins
In stock