石膏缓凝剂的建议掺量
From: Author: Publish time:2011-01-03 14:01 Clicks:81
石膏缓凝剂的建议掺量(以纯半水石膏为例)
|
KH石膏缓凝剂的掺量(%) |
水泥掺量(%) |
石膏凝结时间 |
|
0.1 |
0.5 |
30min~1h |
|
0.15 |
0.5 |
1h~1h30min |
|
0.2 |
0.5 |
1h30min~2h |
|
0.3 |
0.5 |
2h~3h |
|
0.4 |
0.5 |
3h~5h |
