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dow epoxy ersin system
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Epoxy resin mold release agent
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fuzhucailao
epoxy tooling
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Silicone rubber
 
PRODUCTS & SERVICE
Soft tooling resin 7

PU soft rubber mold resin material
Item
130A 140A 145A  150A 160A 170A 180B  255A 285B
Appearance 灰色 灰色 灰色 灰色 灰色 灰色 淡黄色 灰色 淡黄色
Solid content 100% 100% 100% 100% 100% 100% 100% 100% 100%
PH value 7~8 7~8 7~8 7~8 7~8 7~8 8~9 7~8 8~9
Ratio (weight) A: B 100:58 100:60 100:62 100:63 100:68 100:75   100:60~70  
Viscosity (mpas/25 ) 2000~4000 2000~4000 2000~4000 2000~4000 2000~4000 2000~4000 6000~9000  2000~4000 6000~9000 
Density 25 (g/cm3) 1 1 1 1 1 1 1.03 1 1.03
Hardness (Shore) A
30-35 35-40 40-45 45-50 50-60 70-75   40-75  
Resin / hardener mixture (15 )
Mixed Viscosity
mPas 5000-5500 2000-3000 2500-4000 3000-5000 4000-5000 4000-6000 3000-4000 2500-3000
Operation time (1kg) 分钟 5~10 7~10 9~12 9~12 10~13 10~13 10~15 10~15
Stripping time 小时 4~8 4~8 3~6 3~6 3~6 2~4 2~4 2~4
Cast layer maximum thickness
毫米 10 20 30 50 60 75 90 100
After curing (8 hours)
Shore A 70 65 60 55 50 45 40 35 30
Tension Mpa / s
20~30 16~17 15~17 14~16 10~12 6~8 5~7 5~6 4~6
Elongated fracture strength% 80~120 100~120 120~150 150~200 150~200 180~220 180~220 200~250 200~250
Tear strength N/mm2
15~20 20~25 20~25 20~25 12~18 13~18 9~12 7~10 4~6
Density
  g/cm3 1.05
Degree of wear-resistant (NEMA) 120rpm/ S33的沙纸 mg 15-25
Linear thermal expansion   10-5K-1 80 - 120
Linear shrinkage
(1000×80×10mm) mm/m 0.04-0.08
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