Plaster for Ram process
junqiang guo
联系人姓名
基本信息
| 出生地 | Hebei China (Mainland) |
|---|---|
| 牌子的名字 | Shuang Hua |
| 模式的数量 | PFR |
| 适用 | Ram process |
| 形状 | powder |
| 面 | 25kg/bag |
| 化学成分 | calcium sulphate |
PFR is a formulated hemihydrate plaster (CaSO4.1/2H20) produced from naturally occurring gypsum mineral. It is white in colour. This product is used in the ceramic industry to produce high performance moulds for the RAM Press Process, where consistent mould life and porosity are important.Typical Physical PropertiesVicat ring spread@ pwr, by weight,of 2.5:1, 100/4020 to 25 cmKnife setting time@ pwr of 2.5:1:19 to24 minsData at pwr of2.5:1Compressive strength, dry :37.5 MN/m2Flexural strength, dry:13.6 MN/m2Brinell hardness, dry :124 MN/m2Pore volume:26.0% Typical Particle Size Data Sieve% weight retained+ 109 micronsmax. 0.04 %+58 micronsmax.3.0%
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