项目ITEM

指标INDEX

压缩强度, MPa  Compressive strength , Mpa

≥130

弯曲强度, MPa  Flexural strength , Mpa

≥230

拉伸强度, MPa  Tensile strength, Mpa

≥100

冲击韧性, KJ/m²  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 change in 56 days

耐20%硝酸  Anti-20% nitric acid

56天无变化No change in 56 days

耐20%氢氟酸  Anti-20%hydrofluoric acid

56天无变化No change in 56 days

耐75%醋酸  Anti-75% acetic acid

56天无变化No change in 56 days

耐25%氢氧化钠Anti-25% Sodium hydroxide

56天无变化No change in 56 days

耐30%双氧水Anti-30%hydrogen peroxide

56天无变化No change in 56 days

耐汽油，120#  Anti-Petrol, 120^#

56天无变化No change in 56 days