|
KNB35L - NBR
KOSYN
KNB35L is a cold polymerized medium high compolymer.
TYPICAL
PROPERTIES UNCOMPOUNDED
| Bound
Acrylonitrile (%) |
34 |
| Mooney
Viscosity ML1+4 (100°C) |
41 |
| Stabilizer |
Non-Staining
Non-Discoloring |
| Ash
Content (%) |
0.3 |
| Specific
Gravity |
0.98
|
Cured Rubber
| Optimum
Cure (150°C) |
40 |
| 300% Modulus
(kg/cm) |
120 |
| Tensile
Strength (kg/cm) |
310 |
| Elongation
(%) |
620 |
| Hardness
(Shore-A) |
73 |
| Permanent
Set (%) |
9 |
| Compression
Set (100°Cx70hrs., 25% def.%) |
71.2 |
| Abrasion
Loss (cc/1000rev) |
0.265 |
| TEST
COMPOUND |
| Test
Recipe |
| KOSYN
KNB35L |
100 |
| Zinc
Oxide |
3 |
| Stearic
Aciod |
1 |
| HAF
Black |
40 |
| Accelerator
TBBS |
0.7 |
| Sulfur |
1.5 |
| Total |
146.2 |
| Note
: (1) IRB#6 |
| (2)
N - teritaryputyl.
2-benzotrazole sulfenamide |
| Uncured
Rubber |
|
| Mooney
Viscosity ML1+4 (100°C) |
64 |
| Rheometer
Properties |
| ML
(Ib1 in) |
5.2 |
| MHR
(Ib1.in) |
38.4 |
| tS1
(min) |
4.2 |
| t’50
(min) |
6.2 |
| t’90
(min) |
22 |
| Note
: (1) Rheo-100; 160°C, Arc ±1 |
HYUNDAI SEETEC NBR
| Classification |
Grade |
Mooney
Viscosity
(ML1+4,100C) |
ACN
Content(%) |
Applications |
High
Acrylonotrile
Content |
B3280
|
74-85
|
40.0-43.0
|
fuel
hoses
|
Medium
High Acrylonotrile
Contents |
B6240
|
38-47
|
33.0-35.0
|
hoses,
tubes,
shoes, sheets
|
Medium
High
Acrylonotrile
Contents |
B6280
|
68-85
|
31.8-34.9
|
hoses,
tubes
sheets
|
| |
B6840
|
37-45
|
31.8-34.9
|
O-rings,
seals,
sponges,shoes
|
| |
B6850
|
45-55
|
31.8-34.9
|
O-rings,
seals,
sponges,shoes
|
| JSR - NBR |
| Properties |
230SL |
220
SH |
215SL |
| Bond
ACN % |
35 |
41 |
48 |
Mooney
Viscosity
ML1+4 (100°C)••• |
42 |
80 |
45 |
| Product
Stain |
NS |
NS |
NS |
| Specific
Gravituy |
0.98 |
1 |
1.01 |
| APPLICATION |
| JSR
230SL : Gaskets, Hoses, PVC Blends, Adhesive. |
| JSR220SH
: Packing, Gaskets, Hoses, |
| JSR
215SL : Oil Seals, Gasket, Hoses,
various Packing. |
| •
Excellent Oil and
Gasoline. |
| •
Excellent Processability, easy and fast curing. |
| •
Excellent cured
physical properties. |
| Disclaimer: The information and the data
presented herein are to the bestof our knowledge true
and accurate, but no warranty or guarantee express or
implied is made nor any liabilty accepted to the useof
such information and data |
|
