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  • neoprene_cr_248

Neoprene/Chloroprene Rubber CR248 Series

CR 248 Series Neoprene (Chloroprene Rubber) are chloroprene polymer with dithiodiisopropyl xanthate as regulator.
Crystallization rate is medium,density is 1.23,beige or brown lumps,none pollution type.
They not only have the property of CR 244 series,but also can improve the adhesion for PVC、PU、EVA of neoprene adhesive by graft copolymerization of onto methyl methacrylate (MMA) and butyl acrylate (BA).
Similar to the DuPont's ADG neoprene.
Package: woven polypropylene lined-kraft paper bags width a release polythene liner, Net. Weight 25 Kgs.
Storage life: one year below 25 ℃ from the date of production.
Item Technical Data
Viscosity in 15% toluene solution
(mPa.s)
CR2481 CR2482
1000-3000 3001-6000
Peel Strength canvas/canvas (N/cm) 70
artificial leather/artificial leather (N/cm) 20
Volatile Matter (%)≤ 1.2
Ash Content (%)≤ 1.2
Comparison Sheet Of CR Types From Different Brands
Chang Shou DuPont Denka Lanxess
CR1211
CR1212
Mooney Scorch:30-45
Mooney Scorch:46-60
GN
GNA
PM-40
 
510
 
CR2321
CR2322
CR232X
Mooney Scorch:35-45
Mooney Scorch:46-55
Mooney Scorch:70-120
WM1
W
WHV-100/WHV
M-30
M-40
M-100/M-120
211 210
230
216 226
CR3221
CR3222
Mooney Scorch:30-45
Mooney Scorch:46-60
GW
 
DCR-40
 
 
CR2441
CR2442
CR2443
CR2444
AD-10
AD-20
AD-30
AD-40
A-70
A-90
A-100
A-120
310 320
330
340
CR248
 
ADG
 
A-70 A-90
A-100 A-120
320P
 
DCR1141
DCR1142
Mooney Scorch:30-45
Mooney Scorch:46-60
GRT
 
PS-40
 
611
 
DCR2131
DCR2132
DCR213X
Mooney Scorch:35-45
Mooney Scorch:46-55
Mooney Scorch:60-90
WRTM1
WRT
WD
S-40V
 
DCR-30
116
126
130