clay grog mortar

Игры ⚽ Поможем сделать НИР

Grog (clay) — Grog, also known as firesand and chamotte, is a ceramic raw material. It has high percentage of silica and alumina. It can be produced by firing selected fire clays to high temperature before grinding and screening to specific particle sizes. It… … Wikipedia
investment — A thick jacket of refractory material built around a wax model which forms the mold in lost wax casting. It can be made of plaster or clay mixed with grog, applied in layers, with the finest and softest layers painted or gently worked over the … Glossary of Art Terms

Словари и энциклопедии на Академике