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Value BUDGET RTV Silicone Kit 0.5kg to 25.75kg MEDIUM Shore A 25

Old price: £9.99
£8.99
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Price in points: 495 points
Reward points: 9 points
Weight: 1.75 kg per item
RTV Silicone Value A25
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TOMPS Value BUDGET Economy RTV Silicone Rubber A25 . The New MEDIUM Hardness! We now offer this in 4 grades, the one you may have previously bought is now the "Soft" 20 Shore A Version. However if you would like something harder or softer, check out the other 3 items in this category.

Another of the cheapest silicone kits in the UK without big sacrifice on quality. Our new offering to the market, ideally suited to short runs and quick prototypes where dimensions are not the most important. Shrinks no more than 0.4%, so in small scales this is nearly zero. A 25 Shore A hardness RTV Silicone Rubber with a good catalysed viscosity for easier air release.

This RTV has an open potlife of around 40 minutes for the slow set and 7-10 for the fast set (depending on temperature and humidity!). More technical data is to follow - we are currently writing the MSDS and TDS sheets!

Catalyst addition is 3% or 30g per kilo. With the fast catalyst, addition can be reduced to 2% or 20g a kilo to extend pot life. Do NOT reduce catalyst addition on the slow catalyst.

This is the second generation system offered by TOMPS with a modified catalyst. Not only has this improved shrinkage, it has also dealt with any oil bleed issues that very few customers have reported over the last year. However, we were not happy with 1 in 100 issues and have endeavoured to make it a 0 in 100 issues!

Catalyst is now a low toxicity system and is now GHS labelled.

Datasheets and Safety:
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!
Mixing Guide:
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.

Technical Data Sheet (TOMPSVALUE_TECH.pdf, 221 Kb) [Download]

Material Safety Data Sheet (MSDS / CoSHH) (TOMPS_VALUE_MSDS.pdf, 230 Kb) [Download]

Material Safety Data Sheet (MSDS / CoSHH) RED CAT (FAST) (TOMPS_VALUE_RED_MSDS.pdf, 202 Kb) [Download]

We do not ship this product to the following countries:

  Afghanistan     Aland Islands     Albania     Algeria  
  American Samoa     Andorra     Angola     Anguilla  
  Antarctica     Antigua and Barbuda     Argentina     Armenia  
  Aruba     Asia-Pacific     Australia     Austria  
  Azerbaijan     Bahamas     Bahrain     Bangladesh  
  Barbados     Belarus     Belgium     Belize  
  Benin     Bermuda     Bhutan     Bolivia  
  Bosnia and Herzegowina     Botswana     Bouvet Island     Brazil  
  British Indian Ocean Territory     British Virgin Islands     Brunei Darussalam     Bulgaria  
  Burkina Faso     Burundi     Cambodia     Cameroon  
  Canada     Cape Verde     Cayman Islands     Central African Republic  
  Chad     Chile     China     Christmas Island  
  Cocos (Keeling) Islands     Colombia     Comoros     Congo  
  Cook Islands     Costa Rica     Cote D'ivoire     Croatia  
  Cuba     Curaçao     Cyprus     Czech Republic  
  Denmark     Djibouti     Dominica     Dominican Republic  
  East Timor     Ecuador     Egypt     El Salvador  
  Equatorial Guinea     Eritrea     Estonia     Ethiopia  
  Europe     Falkland Islands (Malvinas)     Faroe Islands     Fiji  
  Finland     France     France, Metropolitan     French Guiana  
  French Polynesia     French Southern Territories     Gabon     Gambia  
  Georgia     Germany     Ghana     Gibraltar  
  Greece     Greenland     Grenada     Guadeloupe  
  Guam     Guatemala     Guernsey     Guinea  
  Guinea-Bissau     Guyana     Haiti     Heard and McDonald Islands  
  Honduras     Hong Kong     Hungary     Iceland  
  India     Indonesia     Iraq     Ireland  
  Islamic Republic of Iran     Isle of Man     Israel     Italy  
  Jamaica     Japan     Jersey     Jordan  
  Kazakhstan     Kenya     Kiribati     Korea  
  Korea, Republic of     Kuwait     Kyrgyzstan     Laos  
  Latvia     Lebanon     Lesotho     Liberia  
  Libyan Arab Jamahiriya     Liechtenstein     Lithuania     Luxembourg  
  Macau     Macedonia     Madagascar     Malawi  
  Malaysia     Maldives     Mali     Malta  
  Marshall Islands     Martinique     Mauritania     Mauritius  
  Mayotte     Mexico     Micronesia     Moldova, Republic of  
  Monaco     Mongolia     Montenegro     Montserrat  
  Morocco     Mozambique     Myanmar     Namibia  
  Nauru     Nepal     Netherlands     New Caledonia  
  New Zealand     Nicaragua     Niger     Nigeria  
  Niue     Norfolk Island     Northern Mariana Islands     Norway  
  Oman     Pakistan     Palau     Palestine Authority  
  Panama     Papua New Guinea     Paraguay     Peru  
  Philippines     Pitcairn     Poland     Portugal  
  Puerto Rico     Qatar     Republic of Serbia     Reunion  
  Romania     Russian Federation     Rwanda     Saint Lucia  
  Samoa     San Marino     Sao Tome and Principe     Saudi Arabia  
  Senegal     Serbia     Seychelles     Sierra Leone  
  Singapore     Sint Maarten     Slovakia     Slovenia  
  Solomon Islands     Somalia     South Africa     Spain  
  Sri Lanka     St. Helena     St. Kitts and Nevis     St. Pierre and Miquelon  
  St. Vincent and the Grenadines     Sudan     Suriname     Svalbard and Jan Mayen Islands  
  Swaziland     Sweden     Switzerland     Syrian Arab Republic  
  Taiwan     Tajikistan     Tanzania, United Republic of     Thailand  
  Togo     Tokelau     Tonga     Trinidad and Tobago  
  Tunisia     Turkey     Turkmenistan     Turks and Caicos Islands  
  Tuvalu     Uganda     Ukraine     United Arab Emirates  
  United States     United States Virgin Islands     Uruguay     Uzbekistan  
  Vanuatu     Vatican City State     Venezuela     Viet Nam  
  Wallis And Futuna Islands     Western Sahara     Yemen     Zaire  
  Zambia     Zimbabwe