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Item

Test result?

Al₂O₃，% ?

21-25

SiO2，%

63-67

Fe₂O₃，%? ?

1.1

Bulk Density? g/cm3? ?

2.2

Acid resistance %

99.88

Water Absorption %

0.10

Bending strength (MPa) ??

59.7

Thermal stability

20℃-120℃ no cracks, peeling breakage