Chloroprene Rubber
Chloroprene Rubber CR-244
This product is a xanthogen-modified polychloroprene rubber with fast crystallization rate,high
cohesioin force and adhesion strength at normal temperature.Density is 1.23,Ivory or light brown
block,non pollution type.Used maily for production of adhesives,widely used in rubber, leather,
fiber, metal, wood, cement products, self-adhesive or sticky interaction.It is similar to Du Pontps
neoprene type AD-20 and Denekaa A-90.
Properties |
Specification
|
|
Viscosity in 15% toluene solution,mPa.s
|
CR2441
|
CR2442
|
CR2443
|
|
1000-3000
|
3001-7000
|
7001-10000
|
|
Peel strength,N/cm
|
90min
|
80min
|
75min
|
|
Volatile matter,%
|
1.0max
|
1.2max
|
1.2max
|
|
Ash content, %
|
1.0max
|
1.2max
|
1.2max
|
|
Chloroprene Rubber CR-322
This product is a sulfur and xanthogen-modified polychloroprene rubber with medium
crystallication rate. High tear resistance,superior processibility over sulfur-modified types.Density
1.23, rice yellow or brown block.Used in manufacture of rubber products such as cable
shield,conveyor,etc. It is similar to Du Ponts neoprene type GW.
Properties |
Specification
|
|
A
|
B
|
C
|
|
Mooney viscosity ML100℃
|
CR3221
|
30-45
|
30-45
|
30-45
|
|
CR3222
|
46-60
|
46-60
|
46-60
|
|
Mooney scorch MSts ,min≥
|
25
|
20
|
16
|
|
Tensile strength,MPa≥
|
26
|
22
|
20
|
|
500%Stress at definite elongation MPa
|
1-5
|
1-5
|
1-5
|
|
elongation at break %≥
|
800
|
780
|
750
|
|
Volatile matter,%
|
1.0
|
1.2
|
1.2
|
|
Ash content, %
|
1.0
|
1.2
|
1.2
|
|
Chloroprene Rubber DCR-114
This product is a sulfur-modified copolymer made by copolymerization of chloroprene and
dichloro-butadiene, a product that has excelent crystallization resistance and good molding
adhesion. Density 1.23, rice yellow or brown block.Used mainly for manufacturer of dynamic
products with high strength such as conveyer, synchronous belt, etc.It is similar to Du Pont’s
neoprene type GRT and Denka’s PS-40.
Properties |
Specification
|
|
Mooney viscosity ML100℃
|
30-60
|
|
Mooney scorch MSts ,min≥
|
25
|
|
Tensile strength,MPa≥
|
20
|
|
500%Stress at definite elongation MPa
|
1-5
|
|
Elongation at break %≥
|
80
|
|
Volatile matter,%
|
1.5
|
|
Ash content, %
|
1.5
|
|
