Type
|
Break the intensity /Mpa
|
Elongation at break/%
|
Abrasion value /mm3
|
LO
|
≥14.0
|
≥350
|
≤200
|
DO
|
≥16.0
|
≥350
|
≤160
|
Notes:
LO-- under the general condition;
DO--under the strong Wear Resistance and oily condition.
|
Serial number
|
Experimental condition in soaking the liquid
|
Changing rate of the volume /%≤
|
|||
Oil number in GB/T1690
|
Soaking temperature /℃
|
Soaking time /h
|
LO
|
DO
|
|
1
|
Oil No.2
|
70±2
|
70-0/ 1
|
+20
|
-5
|
2
|
Oil No.3
|
70±2
|
70-0/ 1
|
+50
|
+5
|
3
|
Oil No.3
|
100±2
|
22±0.25
|
+50
|
+5
|
Notes: one of oil proof testing is ok.
|