| Customization: | Available |
|---|---|
| Condition: | New, New |
| Automation: | Automatic, Automation |
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| Gypsum board specification | |
| Length(mm) | 2400,2440,2500,2700,3000 |
| Width(mm) | 1200,1220 |
| Thickness(mm) | 8,9,9.5,12,12.5,12.7,15,18 |
| Requirement of the raw material |
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| Raw materials | Item | Specification |
| Calcined gypsum powder |
Fineness | 0.2mm,Remnant<10% |
| Initial set time | 3.5-5.5 minutes | |
| Final set time | 7.5-10.5 minutes | |
| Crystal water | 4.5%-5% | |
| Half-water gypsum powder | >65% | |
| Bending strength (2 hours) | 1.8 Mpa | |
| Paper | Weight | 190-220g/ Square meters |
| Thickness | 0.36-0.4mm | |
| Air permeability | 0.85-1.6μm/pas | |
| Water absorption( Cobb ) | 15-30g/square meters | |
| Tensile strength | Portrait 12.5 KN/m, transverse 3.5 KN/m | |
| Transverse expansion and contraction | <2% | |
| Moisture | 10%±2 | |
| Denaturized starch | Content of the starch | >70% |
| Moisture | 11%-13% | |
| PH | 6.5-7.5 | |
| Protein | <0.3% | |
| Solubility in 20-40 water(c) | 73%-78% | |
| Foaming agent | Condensate | >30% |
| Ligarine | <3% | |
| Inorganic salts | >2.5% | |
| PH | 7-9 | |