| 摘要 |
<p>An impression material composition which cures at ordinary temperature merely when mixed with a given amount of water to give a gel having excellent resilience and high strength, is highly safe, and enables impression at a low cost. The composition comprises 100 parts by weight of glucomannan, 1 to 100, preferably 2 to 75, parts by weight of a basic hardener, 9 to 500, preferably 50 to 250, parts by weight of a neutral solute, 0 to 30, preferably 1 to 20, parts by weight of a quality regulator, and 0 to 300, preferably 1 to 150, parts by weight of a modifier.</p> |
