指标名称
|
NBR1704
|
NBR2707
|
NBR3604
|
NBR3606
|
N230S
|
N240S
|
结合丙烯腈的质量分数/%
|
17~20
|
27~30
|
36~40
|
36~40
|
33.5~36.5
|
24.5~27.5
|
挥发分/%≤
|
1.0
|
1.0
|
1.0
|
1.0
|
0.75
|
0.75
|
灰分/%≤
|
1.5
|
1.5
|
1.5
|
1.5
|
—
|
—
|
防老剂D/%≥
|
1.0
|
1.0
|
1.0
|
1.0
|
—
|
—
|
拉伸强度/MPa≥
|
24.5
|
27.5
|
29.4
|
29.4
|
20.1
|
18.7
|
永久变形/%≤
|
17
|
28
|
30
|
30
|
—
|
—
|
溶胀率/%≤
|
70
|
38
|
20
|
20
|
—
|
—
|