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Haiyun Asphalt

Asphalt is a brownish-black mixture of hydrocarbons with different molecular weight and non-metallic derivatives and it is one of the high viscosity of organic liquid, soluble in carbon disulfide. Asphalt is a kind of waterproof and moistureproof and anticorrosive organic cementing materials. Asphalt mainly can be divided into three kinds, CTP(coal tar pitch), petroleum asphalt and natural asphalt. Among them, the CTP is a by-product of coking. Petroleum asphalt is the residue after petroleum distillation. Asphalt is mainly used in coating, plastic, rubber and other industrial and paved road, etc.

IndexUnitGradePitch Test Method
No.160No.130No.110No.90No.70No.50No.30
Needle Penetration(25℃,5s,100g)0.1mm140-200120-140100-12080-10060-8040-6020-40T 0604
Softening Point (R&B)A384043454446454955T 0606
B363942434244434653
C35374142434550
 PIA-1.5~+1.0T 0604
B-1.8~+1.0
60℃ Dynamic viscosityPa.sA60120160180160200260T 0620
15℃ DuctilitycmA、B1008050T 0605
C80806050403020
10℃ DuctilitycmA505040453020251510
B30303030201520108
Wax Content%A2.2T 0615
B3
C4.5
Open Flash Point230245260T 0611
Solubility%99.5T 0607
Densityg/cm3Measured RecordT 0603
After TFOT(Or RTFOT)T 0610
Quality Change%±0.8Or T 0609
Residual Penetration Ratio(25℃)%A48545557616365T 0604
B45505254586062
C40454850545860
Residual Ductility(10℃)cmA121210864T 0605
B10108642
Residual Ductility(11℃)cmC403530201510T 0605

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