{"id":30723,"date":"2024-01-24T13:58:30","date_gmt":"2024-01-24T12:58:30","guid":{"rendered":"https:\/\/zinn-giesserei-goehler.com\/produkt\/heat-resistant-silicone-rubber\/"},"modified":"2026-03-04T13:16:57","modified_gmt":"2026-03-04T12:16:57","slug":"heat-resistant-silicone-rubber","status":"publish","type":"product","link":"https:\/\/zinn-giesserei-goehler.com\/en\/produkt\/heat-resistant-silicone-rubber\/","title":{"rendered":"Heat-resistant Silicone Rubber"},"content":{"rendered":"

Silicone rubber for making heat-resistant molds for casting low-melting point metals like tin.<\/strong><\/p>\n

Properties and Application:<\/strong><\/p>\n

– Easy to process<\/strong>
\n– Easy mixing of components 1:1 by weight<\/strong>
\n– Very good flowability, mixture is easily pourable<\/strong>
\n– Cross-linking<\/span> into a resilient, rubber-elastic vulcanizate without heat of reaction<\/strong>
\n– Temporarily temperature resistant up to 450 degrees Celsius<\/strong>
\n– High tear strength<\/span> and high flexibility<\/strong>
\n– Very high reproduction fidelity<\/strong>
\n– For making molds for casting with low-melting point metals (tin, lead) and bismuth alloys<\/strong><\/p>\n

The Silicone Rubber HB is very well suited for making heat-resistant molds (short-term, at the time of pouring, no continuous temperature resistance) for casting with low-melting point metals.
\nAt the same time, the molds are elastic, durable, and also suitable for reproducing undercuts.<\/p>\n

When casting with low-melting point metals, ensure the mold is absolutely dry, and the mold should be treated with talcum powder as a release and flow agent before each casting.
\nThis will result in better casting results and protect the mold from burns.<\/p>\n

With Silicone Rubber HB, single- or multi-part molds<\/span> can be made,
\nfor replicating<\/span> original models made of wood, glass, metal, plastic, wax, ceramic casting compounds.
\nYou can also cast all water-soluble casting materials in the molds you make, such as
\nrelief casting compounds like Stewalin, Keraflott or plaster, Keramin, Alabit, modeling and model-building plaster, casting clay, cement, concrete, etc.<\/p>\n

The silicone has not been tested for skin<\/span> and mucous membrane compatibility, nor for use in connection with food.
\nIf you are looking for silicones that you want to use in connection with food or body molding, please ask us.
\nWe also have suitable materials for this in our range.<\/p>\n

Further product information:<\/strong><\/p>\n

– Color: red (component A) and white (component B)
\n– Mixture: 1:1 by weight
\n– Specific gravity: 1.17
\n– Viscosity<\/span> 6000 \u00b1 300 mPas
\n-Mixing time at 23 degrees Celsius 1 minute
\n– Processing time<\/span> (Pot life<\/span>) at 23 degrees Celsius 10 minutes
\n– Curing time at 23 degrees Celsius 90 minutes
\n– Hardness Shore A<\/span> after 24 hours 33 \u00b1 2
\n– Breaking load 4.5 \u00b1 0.2 N\/mm\u00b2
\n– Elongation at break 370 \u00b1 20%
\n– Tear strength<\/span> 10 \u00b1 1 N\/mm\u00b2
\n– Reproduction detail accuracy: 2 micron
\n– Dimensional change after 24 hours 0.02%<\/p>\n","protected":false},"excerpt":{"rendered":"

Mold Making Silicone Mold Making Heat-Resistant Tin Casting Tin Casting Heat-Resistant<\/p>\n","protected":false},"featured_media":30731,"template":"","meta":[],"product_brand":[],"product_cat":[280,284,328],"product_tag":[314],"class_list":{"0":"post-30723","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-casting-accessories","7":"product_cat-foundry-supplies","8":"product_cat-silicone-mold-making-accessories","9":"product_tag-mold-making","10":"product_shipping_class-free","12":"first","13":"instock","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-variable"},"yoast_head":"\nHeat-resistant Silicone Rubber - Zinn Gie\u00dferei G\u00f6hler<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zinn-giesserei-goehler.com\/en\/produkt\/heat-resistant-silicone-rubber\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heat-resistant Silicone Rubber - 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