Silicone Mould Maker 20 (1000g)
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Product information
Silicone Mould Maker 20 is a two-part, high tear strength, RTV platinum cure, flexible silicone mould rubber compound. This silicone is recommended as a mould material for, food applications (FDA Approved) rapid prototyping, casting polyurethane, epoxy and polyester resins, wax and a wode range of other casting materials.
Silicone Mould Maker 20 is a two-part, high tear strength, RTV platinum cure, flexible silicone mould rubber compound. This silicone is recommended as a mould material for, food applications (FDA Approved) rapid prototyping, casting polyurethane, epoxy and polyester resins, wax and a wode range of other casting materials. Platinum care silicone rubbers are chemically sensitive to latex, sulfur and certain other materials during the mould making process. It is recommended to do a small surface test before commencing if unsure about surface compatibility.
Processing:
Before measuring out the components, pre-stir Part A and Part B separately. Measure out required amounts of Part A and B into mixing container, and mix thoroughly for 3 minutes making sure to scrape the sides and bottom of the mixing container several times. Transfer mixed material into clean mixing container and stir again. Be careful not to whip and beat the material during the mixing process as this introduces unnecessary air bubbles. For best results after mixing, vacuum de-air material before casting and allow for up to 5 x expansion during the vacuum process.
For a Block & Cavity Moulds:
Silicone thinner can be added to reduce viscosity which assist in reducing air bubbles and capturing intricate surface detail. Max dosage by weight 10%.
PLEASE NOTE: By adding Silicone Thinner, shore a hardness and tear strength are proportionally reduced.
Pouring:
For best results, pour the silicone rubber in a thin stream to the lowest part of the mould in a single spot and allow material to flow around the model and self level. It is suggested to cover the mould by at least 10mm.
Curing/Post Curing:
Allow the mould to cure for 24hrs at room temperature before demoulding. Post curing the mould an additional 4-6hrs at 100C will maximize some of the materials physical properties. Allow mould to cool to room temperature before using. Do not cure rubber where temperature is less then 23C. The silicone moulds can be cleaned with mild soap and water then rinsed and left to dry.
