Foshan Huiju Decoration Material Co. Ltd.
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Drywall, also known as gypsum board or wallboard, is a common building material for walls and ceilings in construction. They consist of a gypsum core sandwiched between two layers of cardboard or fiberglass. Gypsum core is made from a mixture of gypsum powder, water and additives that is poured over paper or fiberglass to form a thin sheet.
Gypsum board is a versatile material that can be used for a variety of purposes such as soundproofing, fireproofing and moisture proofing. It can also be painted, textured and decorated to enhance the aesthetics of a room.
Water-resistant gypsum board, also known as MR gypsum board or green board, is a type of gypsum board that is specially designed to resist moisture and water. It is commonly used in areas with high humidity such as bathrooms, kitchens, and laundry rooms. Here are some features of moisture resistant gypsum board:
| Item | Standard Value | Test Value | ||||
| Density (kg/m²) | — | Thickness | Regular | Fire Resistant | Water Resistant | |
| ≯ 9.5kg/m² | 9.5mm | 7.5 | 7.5 | 7.5 | ||
| ≯ 12.0kg/m² | 12mm | 9.5 | 9.5 | 11.5 | ||
| Flexural Strength(N) | Parallel | ≮ 360 | 9.5mm | 560 | ||
| ≮ 500 | 12mm | 700 | ||||
| Cross | ≮ 140 | 9.5mm | 180 | |||
| ≮ 160 | 12mm | 240 | ||||
| Surface Paper Sticking theCore Material | Unexposed | Unexposed | ||||
| Stability with Fire (Min) | Fire Resistant | ≮ 20 | / | / | ＞20 | / |
| Water Absorption (%) | Water Resistant | ≮ 10 | 9.5mm | / | / | 6.8 |
| 12mm | / | / | 4.2 | |||
| Radioactivity | Internal | IRa≤1.0 | ＜1.0 | |||
| External | Ir≤1.3 | ＜1.0 | ||||
| Note | Executive Standard : GB/T 9775-2008 | |||||
Ordinary gypsum board has a wide range of applications
Used for hotel, restaurant, shopping mall, office, theater, studio, cinema and school and other buildings partition wall application, ceiling application.
1: Ceiling system
2: Partition system
3: Dry lining system
