China SBR1502 Powder Used as Sbs Bituminous Waterproof Membrane Raw Material, Find details about China Titanium Dioxide, Rutile Grade Titanium Dioxide from SBR1502 Powder Used as Sbs Bituminous Waterproof Membrane Raw Material
TIANJIN SANZHI PETRO-CHEMICAL CO., LTD. | |||
SBR 1502E | |||
Items | Quality index | Method | |
Appearance | Non-polluting light-colored lump rubber without impurities | Visual measurement | |
Volatiles,%(mass fraction)≤ | 0.45 | GB/T 24131-2009 Hot roll method | |
Aah,%≤ | 0.5 | GB/T4498-1997 Method A | |
Organic acids, %(mass fraction) | 4.50-6.75 | GB/T8657-2000 Method A | |
Organic soaps, %(mass fraction) | 0.5 | GB/T8657-2000 Method A | |
Bound styrene, %(mass fraction) | 22.5-24.5 | GB/T 8658-1998 | |
Massed mooney viscosity,ML(1+4)100°C | 46-54 | GB/T1232. 1-2000 Roller method | |
Compound rubber Mooney viscosity, ML(1+4)100°C≤ | 93 | GB/T 8656-1998 Metohod A ASTM IRB No7carbon black ,GB/T1232. 1-2000 | |
300% Modulus(145°C),MPa (Type I specimen, speed of 500mm/min) | 25min | 13.6-17.6 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter |
35min | 18.6-22.6 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter | |
50min | 19.5-23.5 | 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) | 25.5 | 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) | 340 | GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter | |
N-nitrosamines, %(mass fraction) | Not detected | Q/SY 1389-2011 |
Item | SK-R350 | Typical value |
TiO2 content % ≥ | 92.5 | 93.0 |
Content of rutile %≥ | 99.0 | 99.0 |
Whiteness(compared with standard sample) | Not less than | Not less than |
Brightness% ≥ | 95.1 | 95.2 |
Tint-reducing power, Reynolds number ≥ | 1920 | 1950 |
Dispersibility (Hegman) ≥ | 6.50 | 6.75 |
pH value | 6.5~8.5 | 6.9 |
Oil absorption, g/100g≤ | 20.0 | 18.0 |
Volatile at 105ºC, %≤ | 0.5 | 0.4 |
Sieve residue( 45 µ m), %≤ | 0.02 | 0.01 |
Specific resistance, Ω. M≥ | 80.0 | 120.0 |