Carbon black - N774

Dry carbon black N774
NO.1 Product property
Adopt coal tar oil as main material , belong to softing carbon black or semi-reinforcing carbon black product , good at constitutive property,low Solvent extract, high filler loading capacity, Vulcanized rubber with good elasticity, low heat, dynamic performance is good
NO.2 Range of application
Mainly cord ply of tyre,inner tyre ,bicycle, rubber hose , adhesive tape and low abrasion resistance rubber products
NO.3 Parameter （GB/3778-03）
NO. Item Premium grades Good quality Conforming article
1 I2 Adorption g/Kg 34 29 24
2 DBP Adorption 105m³/Kg 77 72 67
3 24M4 DBP Adorption 105m³/Kg 69 63 57
4 CTAB Surface area m²/g 35 29 23
5 Nitrogen surface area 103m²/Kg 35 30 25
6 Heat loss % 1
7 Ash Content % 0.5
8 45um Sieve residue % 0.1
9 150um Sieve residue % 0.02
10 500um Sieve residue % 0.001
11 Tensile strength Mpa≥ -3 -3.5 -4.5
12 Ultimate elongation %≥ 30 20 0
13 300%ModulusMPa: -4±1.0 -4±1.2 -4±1.6
14 Packing 20±0.2KG/bag（coextruded film+weave bag）