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Product Group
Chloroprene Rubber

SN237T

Addtime: 2017-6-26

 SURPREN TM SN237T

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, for using a Nairit recipe and process technology. It can be seen as an equivalent to Denka M-130H of Japan.

Characteristics

l  A very high Mooney viscosity and a medium rate of crystallization and the same properties as SN238 and SN239;

l  Excellent cohesion and better solubility, especially in preparing adhesive;

l  Can be used alone or combination with SN242, has prolong the effect of open bonding time;

l  In the production, vulcanizate maintains its good physical properties when a large amount of fillers and oils are added;

l  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

1510 - 2700

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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