항목규격 KNB
25LM
KNB
25M
KNB
25LH
KNB
25H
KNB
25SH
KNB
35LL
KNB
35L
KNB
35LM
KNB
35M
KNB
35H
KNB
40M
KNB
40H
KNB
0230
KNB
0230L
결합 AN 함량(%)
28 34 41 35
Raw 무우니점도(ML1+4, 100℃)
50

60

70

80 100 33 41 50 60 80 60 80 56 40
비중
0.96 0.98 1.00 0.98

Compound  Properites*1)

 

Comp'd 배합고무 무우니점도(ML1+4, 100℃)
73
90
101
114
140
54
66
78
90
110
92
113
60
64
레오미터(160℃, ARC±1)
-

-

- 

- 

   - 

- - - - - - - - -
ML(1bf.in)
14.1

15.7

18.0 21.0 23.5 9.7 10.4 11.9 15.5 16.5 11.5 13.9 11.6 10.9
MH(1bf.in)
40.4

41.0

42.0 43.5 45.5 38.9 40.2 41.4 44.0 46.3 43.2 45.1 43.2 42.7
ts1(min)
3.0

2.9

3.3 3.0 3.0 3.8 3.1 2.2 2.0 2.2 2.8 2.7 2.3 2.6
t'50(min)
4.7

4.3

4.9 4.7 4.8 6.0 5.2 4.2 4.2 4.0 6.7 6.2 3.8 4.0
t'90(min)
17.0

16.9

16.0 15.6 16.5 16.9 16.3 15.3 16.3 16.1 19.6 20.1 12.9 12.4
*2)
 

 

                       
300% 인장응력(kgf/㎠)
140

155

168 175 185 132 141 148 153 160 150 170 160 150
인장강도(kgf/㎠)
275

285

285 285 290 300 310 313 327 334 345 360 300 295
신장율(%)
510

480

440 400 310 570 550 530 520 500 560 540 500 510
경도(Shore-A)
73

73

73 73 73 74 74 74 74 74 75 75 74 74
ASTM #1 Oil 침적(변화율)*3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300% 인장응력(%)

23

22

24

24

25

42

35

39

40

43

45

47

40

38

인장강도(%)
-7

-8

-8 -10
-13 -8
-13
-6 -6 -4 -1 -1 -3 -3
신장율(%)
-20

-20

-23 -18 -21 -29 -28 -23 -21 -20 -26 -29 -25 -24
경도(변화)
-4

-4

-4 -3 -3 0 0 0 -1 0 4 4 -1 -1
부피(%)
2

2

2 3 1 -1 0 0 0 0 0 -1 0 0
     *1) NBR 100, 산화아연 3, 스테아린산 1, HAF Black(IRB#7) 40, 촉진제TBBS 0.7, 황1.5 Total : 146.2
*2) 150℃×40 Min. Press 가황
*3) 100℃×70hrs, Change Rate