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Colloidal Silica Rigidizer - Coating for Refractory Ceramic Fiber Products - 1 Quart : Amazon.co.uk: DIY & Tools
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10kg Devil Forge Xmas present. First firing to cure rigidizer, just applied refractory cement. Ceramic up next! thanks for all the help from this subreddit! : r/Metalfoundry
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Thermal SolutioNZ - Ceramic Fibre Rigidizer 5L Refractory, Ceramic Fibre, Wood fired Oven Specialists
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Colloidal Silica Rigidizer - Coating for Refractory Ceramic Fiber Products - 1 Quart : Amazon.co.uk: Business, Industry & Science
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