项目ITEM

指标INDEX

干燥时间，h

Drying time, h

表干  Touch dry

≤6

实干  Hard dry

≤24

抗压强度, MPa  Compressive strength, MPa

≥80

弯曲强度, MPa  Flexural strength, MPa

≥7

拉伸强度, MPa  Tensile strength, MPa

≥9

邵氏硬度Schopper D hardness

≥75

耐磨性（750g/500r，失重，g）

Wearability (750g/500r, Weight loss, g)

≤0.02

耐60％硫酸  Anti-60% sulfuric acid

30天允许轻微变色

Permit little color changed in 30 days

耐25％氢氧化钠 Anti-25% sodium hydroxide

30天无异常  No change in 30 days

耐3％盐水  Anti-30% salt water

30天无异常  No change in 30 days

耐汽油，120^#  Anti-petrol, 120^#

耐  Resistant

粘接强度, MPa  Bonding strength, MPa

≥2