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Product Group
Chloroprene Rubber

SN322X

Addtime: 2017-6-26

 SURPREN TM SN322X

Introduction
Chloroprene rubber SN322X is a general chloroprene rubber, it use the advanced recipe and polymerization process technology recently developed. It is low crystalline chloroprene rubber made by the emulsion polymerization with sulfur and regulator D (dithiodiisopropyl xanthate) as mixed regulator. In general performance, it is similar to PM-40 type chloroprene rubber of Japan and GW of DuPont of the Unit States in overall performance.

Characteristics

l  Excellent properties of physical mechanical, sunlight resistance, ozone aging, weather resistance, chemical resistance, oil resistance, non flammable, air tightness, anti-disturbance;

l  Good product process performance, easy plastication, mixing and extrusion molding;

l  Smooth end-products surface, good appearance quality;

l  Good security process.

Appearance
Yellow rice flake or block, no mechanical material except the talc, no scorch particles.

Typical property

Item

Specification

Mooney viscosity ML (1+4) 100 ºC

SN322X-1

25 - 40

SN322X-2

41 - 60

SN322X-3

61 - 80

SN322Y

38 - 48

Mooney scorch MSt5,  min

≥ 25

Tensile strength,     MPa

≥ 22.0

500% tensile stress,   MPa

2.0 - 5.0

Tensile elongation,    %

≥ 800

Volatiles,    wt. %

≤ 1.3

Ash,    wt. %

≤ 1.0

Comparable grades

DuPont, American:     GW
Denka, Japan:        DCR-40       
Lanxess, Germany:     510

Application

In view of the excellent performance of the product, so it is widely used in manufacturing all kinds of wires, cables, conveyor belt, transmission belt, ordinary and oil resistant hose, rubber plate, tent cloth, hub, air duct, oil resistant rubber boots, rubber seals, damping products, capsule, air cushion, the lifeboat. Also it applies to all kinds of color or light colored products. 

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