|
指標名稱
|
NBR1704
|
NBR2707
|
NBR3604
|
NBR3606
|
N230S
|
N240S
|
|
結合丙烯腈的質量分數(shù)/%
|
17～20
|
27～30
|
36～40
|
36～40
|
33.5～36.5
|
24.5～27.5
|
|
揮發(fā)分/%≤
|
1.0
|
1.0
|
1.0
|
1.0
|
0.75
|
0.75
|
|
灰分/%≤
|
1.5
|
1.5
|
1.5
|
1.5
|
—
|
—
|
|
防老劑D/%≥
|
1.0
|
1.0
|
1.0
|
1.0
|
—
|
—
|
|
拉伸強度/MPa≥
|
24.5
|
27.5
|
29.4
|
29.4
|
20.1
|
18.7
|
|
永久變形/%≤
|
17
|
28
|
30
|
30
|
—
|
—
|
|
溶脹率/%≤
|
70
|
38
|
20
|
20
|
—
|
—
|
