Platinum Indigo(20 ShorA) top class silicone rubber for DIY mold making

Sold by SilikonForms
+ $9.00 shipping
+ $9.00 shipping
In stock
Preparation takes 3-5 business days
Arrives from Ukraine

Item details

Platinum Indigo top class silicone elastomer which vulcanize at room temperature with very low linear retraction (close to 0%). High mechanical strength and low viscosity allow to create high resistant and flexible moulds with high fidelity of reproduction. Vacuum degassing is not required for most applications. INDOGO is indicated to the realization of complex moulds with undercuts, suitable for the reproduction in gypsum, concrete, wax and resin.
For your work with pleasure.

Kit contains:

3 oz of silicone (component A)
3 oz of catalyst (component B)
2 mixers
Protective gloves (one pair).


Viscosity (mPas-A4; V2.5): 5000
Mixing ratio by weight: 1:1
Pot life (min): 20
Setting time (min): <120
Hardness 24h (Sh A): 20 +- 2
Shrink linear (%): 0,01
Ultimate elongation (%): 500
Tensile strength (MPa): 4
Tear resistance (kN/m): 19

Main instructions for silicones
Store and use material at room temperature (73F/23C). Warmer temperatures will drastically reduce working time and cure time. Storing material at warmer temperatures will also reduce the usable shelf life of unused material. These products have limited shelf life and should be used as soon as possible.

After dispensing required amount of Parts A and B into mixing container (1A : 1B by weight or volume), mix thoroughly making sure that you scrape the sides and bottom of mixing container several times. The rubber should be uniform colour with no streaks. For best result pour your mixture in single spot at the lowest point of containment field. Let the rubber seek its own level. Uniform flow will help minimize entrapped air. Product feature relatively low viscosities making vacuum degassing optional and is not required for most applications.

Physical life of mould depend of using conditions (casted materials, frequency). Casting abrasive materials such as concrete can quickly erode mould details, while casting non-abrasive materials (wax) will not affect mould details. Before storing mould should be cleaned with soap water and wiped fully dry. Two part (or more) moulds should be assembled. Mould should be stored on level surface in cool and dry environment.

Platinum Series is poly-adition silicone and may be subject to inhibition phenomena. The following materials are incompatible: amines, metal salts, sulphur and some modelling clays. If in doubt, it is recommended to proceed with preliminary test.
Watch video tutorial about casting molds on

IMPORTANT: All recommendations for using of our products, whether written or oral or based ot tests are conducted by our team and based on our current knowledge. Any use of our product for any purpose or under conditions other than these would fail under sole responsibility of buyer. It is incumbent to check compatibility of products with use and processes that it implements. Unable to control application, use or implementation of products, we assume no responsibility for any incident. The buyer must respect intellectual property rights of third parties. We grantee quality of our products under our conditions of sale and delivery.

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Preparation takes 3-5 business days
Arrives from Ukraine
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Australia 2-4 weeks
United Kingdom 7-14 business days
North America 7-21 business days
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Australia, New Zealand and Oceania 14-28 business days
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