Customization: | Available |
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Material: | Natural Rubber |
Usage: | Industrial Rubber Slab, Flooring, Printing, Rubber Floor Covering |
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SBR 1778E | |||
Items | Quality index | Method | |
Appearance | Non-polluting light-colored lump rubber without impurities | Visual measurement | |
Volatiles,%(mass fraction)≤ |
0.2 | GB/T 24131-2009 Hot roll method | |
Aah,%≤ |
0.08 | GB/T4498.1-2013 Method A | |
Organic acids, %(mass fraction) |
5.13 | GB/T8657-2014 Method A | |
Organic soaps, %(mass fraction) |
0.07 | GB/T8657-2014 Method A | |
Bound styrene, %(mass fraction) |
23.4 | GB/T 8658-1998 | |
Massed mooney viscosity,ML(1+4)100°C |
48 | GB/T1232. 1-2000 Roller method | |
Compound rubber Mooney viscosity,ML(1+4)100°C |
55 | GB/T 1232.1-2000 ASTM IRB No7carbon black |
|
300% Modulus(145°C),MPa (Type I specimen, speed of 500mm/min) |
25min | 12.7 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
35min | 15.1 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
|
50min | 17 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
|
Tensile strength (145°C,35min),MPa≥ (Type I specimen, speed of 500mm/min) |
20 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
|
Elongation(145°C,35min),%≥ (Type I specimen, speed of 500mm/min) |
386 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
|
Oil content, %(mass fraction) |
27.7 | SH/T 1718-2002 |
It is widely used in tire, tape, hose, wire and cable, medical appliance friction products, liquid styrene butadiene rubber and asphalt modification. Shoemaking industry: leather shoes, tourist shoes and children's shoes, which have the advantages of comfortable wearing, moisture resistance, good air permeability and easy coloring, as well as plastic modification and adhesive industries. Production of various rubber products, a variety of elastic rubber products, such as rubber rings, indoor floor materials, sports equipment, automobile fenders and footmats, children's toys, mechanical parts, etc.
35KG/Bag or 1000KG bag or according to customer,s requirement
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