项目 ITEM |
指标 INDEX |
压缩强度,Mpa Campressive strength ,Mpa |
≥130 |
弯曲强度,Mpa Flexible strength,Mpa |
≥230 |
拉伸强度,MPA Tensile strength,Mpa |
≥100 |
冲击韧性 Impact strength,KJ/m2 |
≥270 |
吸水率 Water-absorbing rate,% |
≤0.2 |
收缩率 Contraction rate,% |
≤0.2 |
耐75%硫酸 Anti-75% Sulfuric acid |
56天无变化No changes in 56 days |
耐20%硝酸 Anti-20% nitric acid |
56天无变化No changes in 56 days |
耐75%醋酸 Anti-75% acetic acid |
56天无变化No changes in 56 days |
耐25%氢氧化钠 Anti-NaOH,25% |
56天无变化No changes in 56 days |
耐30%双氧水 Anti-30% hydrogen peroxide |
56天无变化No changes in 56 days |
耐汽油,120# Anti-petrol,120# |
56天无变化No changes in 56 days |
耐20%氢氟酸 Anti-20% hydrofluoric acid |
56天无变化No changes in 56 days |