Introduction
Chloroprene rubber SN237T is a specific grade, it is obtained by mercaptan modified and Chloroprene monomer which is polymerized in emulsion with medium crystallization tendency. It can be seen as an equivalent to Denka M-130H of Japan.
Characteristics
1. A very high Mooney viscosity and a medium rate of crystallization and the same properties as SN238 and SN239;
2. Excellent cohesion and better solubility, especially in preparing adhesive;
3. Can be used alone or combination with SN242, has prolong the effect of open bonding time;
4. In the production, vulcanizate maintains its good physical properties when a large amount of fillers and oils are added;
5. The same applied properties as Denke M-130H of Japan.
Appearance
White or light yellow chips, with talcum as a release agent, no mechanical impurities.
Typical property
|
Item |
SN237T |
|
Broodfield solution viscosity, 10% toluene solution at 25 ºC, mPa.s |
1800-3500 |
|
Mass fraction of volatiles, wt. % |
≤ 0.8 |
|
Mass fraction of ash, wt. % |
≤ 1.0 |
Comparable grades
Denka, Japan: M-130H
Lanxess, Germany: 243-2, 253-1
Application
SN237T, which is mainly suitable for production goods of highly loading and preparing adhesive cement, production things of the conveyor belts, a variety of hoses, rubber seals, and some hard good.
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