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Chlorosulfonated Polyethylene (CSM)

Introduction

Addtime: 2015-12-9

SUNPREN TM Chlorosulfonated polyethylene (CSM)


                                                                             

n General introduction

Chlorosulfonated polyethylene, referred to as CSM, is a kind of elastomer which has completely saturated main chain and pendant group and can be vulcanized by all kind of cross linking agent. Because of its unique molecular structure, CSM vulcanizate has excellent ozone resistance and weatherability. in additional, properly formulated CSM vulcanizate has excellent resistance to hear, oil ,chemicals and aging.

SUNPRENTM CSM is chlorosulfonated polyethylene produced by Sundow Polymers Co.,LTD.

 

n Characteristic of CSM

l Permanent bright colors

l Superior ozone and weather resistance, even for the formation without carbon black

l High working temperature up to 150 deg.C

l Resistance to a wide range of aggressive chemicals

l Moderate resistance to oil and solvent depending on chlorine level

l Good flame retardancy

l Electrical insulating properties

l Excellent resistance to abrasion and mechanic abuse

 

n Application

l Power steering and oil cooler hose for automotive and industrial, hydraulic hose, where impulse testing is performed up to 150 deg.C.

l Fuel hose covers, various vacuum and emission tubing.

l Sheathing material for cable construction, resistant to weathering, sunlight, ozone, heat.

l General industrial products, such as hydraulic pressure hose, oil and chemical delivery hose, rubber roller, liner, chemical resistant an high strength convey belt etc.

l Construction products, such as handrail of escalator, pad, single-ply roofing system

l Fabric reinforced, heat-weldable lining for reservoirs and effluent pits.

l Other products, such as rubber dam, rubber dinghy etc.

l Coating and adhesives

 

n SUNPREN CSM Series

Sundow Polymers supplies two series CSM grades, one is H- series, which is produced by traditional solvent technology, another is M- series, which is produced by non-solvent new technology.

 

² H-Sereis

H- series has excellent mechanical property and good solubility in some organic solvents, so not only it can be used for general rubber applications, some grades can also be used for applications such as coating, adhesives.

 

² M-Sereis

M- series is produced by new non-solvent technology , so this series contains no harmful organic solvent such as carbon tetrachloride, it is environmental friendly and has no harm to operator’s health, another point is, though this series’ mechanical property is a little lower than H-series, it can meet the technical demand of most general rubber application, and its price is considerably cheaper than H-series, so this series is a economic choice for many general rubber application.

 

The solubility of M-series in some organic solvent is poorer than H-series, so it is not a good choice for coating and adhesive application.

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