Razi Semnan whitewashing plaster is one of the most popular and oldest product of the factory , which is used in plastering the interior spaces of the building for under and over work . bleaching gypsum is produced and marketed using the best gypsum extracted from gypsum
| Value | Unit | Property | No |
|---|---|---|---|
| 7-10 | Min | initial Setting Time زمان گیرش اولیه | 1 |
| 20-25 | Min | Final Setting Time زمان گیرش ثانویه | 2 |
| 4.5-5.5 | % | Crystal Water آب کریستالی | 3 |
| 3.8-4.5 | N/mm2 | Bending Strength مقاومت خمشی 72 ساعته | 4 |
| 2:30 | Min | Mixing Time زمان ترکیب آب و گچ | 6 |
| 100 | GR | Amount of water مقدار آب | 7 |
| 125-140 | GR | Amount of gypsum powder مقدار گچ | 8 |
| 35< | % | Water Absorption جذب آب | 9 |
| 93< | % | (Minimum Percent)Whiteness درصد سفیدی | 10 |