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SiO2

Fe2O3

MgO

Al2O3

CaO

K2O - Na2O

%

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0.1

0.7

18-24

0.5

0.4

ϡɰVϮa(chn)ƷҎ(gu)

Ҏ(gu) mm

Ҏ(gu) mm

0.5-2

8-16

2-4

16-32

4-8

32-80

ϡɰVܣ

헡Ŀ ָ 䡡ע
90.5%
͉A 82.5%
2800-3500kg/m3
Ӳ 5.5 Ī
ĥ 0.15-0.2  
͜ض 1000  
ϵ(sh) 4.415KJ/m.h.  
ȟ 628-837/J/kg.  
2.3g/cm3  
ѱ 1.45-1.6g/cm3  
ˮ 0.5-2.2%  
0.75%  
϶ 28.6%
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