Ranran Polyvest Refractory Investment for Porcelain, Medium Expansion, 60g, Box of 24
Polyvest is a fine-grained refractory investment designed for porcelains with medium-range thermal expansion (CTE of 13.9 or lower). It provides high strength for multiple firings, resisting fractures and abrasions while ensuring smooth surfaces and accurate reproduction. Recommended for use with Special Liquid Concentrate-PLUS (sold separately).
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Polyvest is a fine-grained refractory investment designed for porcelains with medium-range thermal expansion (CTE of 13.9 or lower). It provides high strength for multiple firings, resisting fractures and abrasions while ensuring smooth surfaces and accurate reproduction. Recommended for use with Special Liquid Concentrate-PLUS (sold separately).
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