項目 Item

指標(biāo)Index

備注 Remark

粒度 Particle size，mm

0.5-3.0

-

松裝容量 Bulk density,g/ml

1.1-1.5

-

空隙率Free volume,%

40-45

-

磨耗率 Abrasion resistance,%

≤0.5

-

抗壓強度 Compressive strength,N

30-150

-

透水率 Water permeability，t/m².h

2-4

-

透氣率 Gas permeability,m³/m²h.h

1500-2000

-

耐溫度 Thermal resistance,℃

≥1000

-

耐酸度 Acid resistance，％

99.5

浸泡于30%HCl+50% H2SO4水溶液中14天。
Mixed in 30% HCl+50% H2SO4 solution for 14 days

耐堿度 Alkali resistance，％

82.5

浸泡于10%NaOH+10% KOH水溶液中14天。
Mixed in 10% NaOH+10% KOH solution for 14 days