1. In this study, tests for initial setting time of plaster are conducted by adopting plaster with 4 different initial setting times and by adding S type retarder for plaster. 本研究采用四种不同初凝时间的建筑石膏,掺入S型石膏缓凝剂,进行了初凝时间的试验。
2. Modifying:fill the seams with cement plaster(or with cement plaster and plaster slip)after an amount of tiles were done. 修整:贴完一定面积后,用水泥浆(或白水泥浆,石膏浆等)在砖缝上填补刮平;
3. General plaster vacuum mixer can make calcium plaster with sound fluidity and low air content rapidly, enhance the application frequency of the plaster mold and enhance the smoothness of surfaces. 泛用型石膏机,能快速获得流动性好,空气含量低的石膏浆,增加石膏模的使用次数,增强表面光洁度。
4. Based on the market demand, common paper plaster tablet, refractory pa per plaster tablet and waterproof plaster tablet could be produced. 根据市场需要,可生产普通纸面石膏板、耐火纸面石膏板及耐水纸面石膏板。
5. In order to produce value computation, before house 4 breed is latex adhesive, balata kind adhesive, project adhesive and formaldehyde kind colophony adhesive. 以产值计算,居前4位的品种是乳液胶粘剂、橡胶类胶粘剂、工程胶粘剂和甲醛类树脂胶粘剂。