Ҏ(gu)
600
700
M-70
M-170
zy˜
c棩
72.5-79.6
80-90
76-80
75-85
ASTM D87
ճmm2/s@100棩
7-15
15-23
4-6
15-30
ASTM D445
dmm@25棩
0.880.02
ASTM D1321
10%
5%
4%
ASTM D721
ɫ
60
30
ASTM D1500
^
w
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b25kg ţƤͺϴ