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 “Donghai” Asphalt Products and Quality

Sinopec “Donghai” asphalt is one of the most influential asphalt brands rewarded the honorary name “China Famous Brand” in 2007. Strictly adhering to Technical Specification for Construction of Highway Asphalt Pavements of the Ministry of Communication and Standard of Heavy Duty road petroleum asphalt GB/T 15180, Sinopec produces nearly 50 varieties of high-quality “Donghai” asphalts, including road petroleum asphalt, SBS modified asphalt, SBR modified asphalt, emulsified asphalt, emulsified modified asphalt, color asphalt and construction asphalt. The annual production capacity of “Donghai” heavy duty road petroleum asphalt, modified asphalt and emulsified asphalt reaches 4 million tons, 1million tons and 500,000 tons respectively.

Heavy Duty Road Petroleum Asphalt

In line with the new road asphalt standard (JTG F40-2004), Sinopec takes the initiative to produce “Donghai” heavy duty road petroleum asphalt whose key indexes reaching or exceeding those of imported high quality heavy duty road petroleum asphalt with its good climate and heavy burden adaptability and endurance.

Modified Asphalt

“Donghai” polymer modified asphalt designed and developed in a unique way is high quality and cost effective, achieving a substantial leap in terms of modified asphalt quality. The modified asphalt passed quality verification of the Ministerial level and was rated “trailblazing technique at home and internationally advanced product performance”.

Specialty Asphalt

Sinopec strengthens its R&D efforts and develops successively “Donghai” high-tech asphalts like cross-sea bridge asphalt, environment-friendly inflame-retardant tunnel asphalt, high-speed viscous asphalt, rubber asphalt, hardened asphalt, etc to meet persified demands.

Emulsified Asphalt

Road emulsified asphalt, high-speed railway specialty emulsified asphalt and construction water-proof emulsified asphalt, etc.

Specifications and Indexes for Major Asphalts (Table1-3)

Table-1 Sinopec Donghai Polymer SBS Modified Asphalt Quality

location	Hotline for consultaion
Product and Service/commercial product/chemical product/intermediate petrochemical product	Beijing	010-51586897
	Shanghai	021-32124688 to 19218
	Guangzhou	020-22389605
	Wuhan	027-51812960
Product and Service/commercial product/chemical product /synthetic monomer and polymer	Beijing	010-51586754
	Shanghai	021-32124688 to 19025
	Guangzhou	020-22389592
	Wuhan	027-51812932
Product and Service/commercial product/chemical product /synthetic resin	Beijing	010-51586726
	Shanghai	021-52385137
	Guangzhou	020-22389707
	Wuhan	027-51812903
Product and Service/commercial product/chemical product /synthetic rubber	Beijing	010-51586886
	Shanghai	021-52385027
	Guangzhou	020-22389515
	Wuhan	027-51812903
Product and Service/commercial product/chemical product /synthetic fiber	Beijing	010-51586753
	Shanghai	021-32124688 to 20320
	Wuhan	027-51812932

Table-2 Sinopec Donghai Grade A Road Petroleum Asphalts Quality  

Specifications	JTG  F40-2004	Measuring Method
Items	I-C I-D Quality index Actually  measured Quality Index Actually  measured

Penetration degree (25℃,100g,5s),0.1mm	≮60	71	40~60	55	GB/T 4509
Softening point(Ball circling method),℃	≮55	76.2	≮60	86.6	GB/T 4507
Ductility(5℃,5cm/min),cm	≮30	40.8	≮20	31.5	GB/T 4508
Momentum viscosity (135℃),Pa.s	≯3	1.923	≯3	2.5	SH/T 0739
Flashpoint,℃	≮230	323	≮230	320	GB/T 267
Solubility,%	≮99	99.86	≮99	99.8	GB/T 11148
Segregation,Softening point difference (163℃,48h),℃	≯2.5	0.7	≯2.5	1.9	SH/T 0740
Elasticity recovery (25℃),%	≮65	95	≮75	98	SH/T 0737
Density(25℃),g/cm3	report	1.027	report	1.024	GB/T 8928
Penetration Index(PI)	≮-0.2 -0.4	-0.05	≮0	0.05	GB/T 4509
Membrane oven experiment
Quality loss,m%	≯1.0	-0.08	≯1.0	0.08	GB/T 5304
Penetration ratio (25℃),%,	≮60	76.9	≮65	71.6	GB/T 4509
Ductility(5℃,5cm/min),cm	≮20	25.8	≮15	17.3	GB/T 4508

Table-3 Sinopec Donghai Heavy Duty Road Petroleum Asphalt Quality 

Specifications	JTG F40-2004	Measuring Method
Items	50-A 70-A 90-A Quality Index Actually measured Quality Index Actually measured Quality Index Actually measured

Penetration degree (25℃,100g,5s),0.1mm	40～60	57	60～80	60～80	80～100	93	GB/T 4509
Penetration Index (PI)	-1.5 ~+1.0	-1.1	-1.5 ~+1.0	-1.1	-1.5 ~+1.0	-1.5	GB/T 4509
Softening Point (Ball circling),℃	≮49	50.7	≮46	47.2	≮44	45.4	GB/T 4507
60℃Momentum viscosity,Pa.s	≮200	208	≮180	194	≮140	148	SH/T 0557
Ductility(10℃,5cm/min),cm	≮15	11	≮20	114	≮45	>150	GB/T 4508
Ductility (15℃,5cm/min),cm	≮100	>150	≮100	>150	≮100	>150	GB/T 4508
Density(15℃),g/cm³	report	1.042	report	1.036	report	1.028	GB/T 8928
Density (25℃),g/cm³³	report	1.038	report	1.029	report	1.021	GB/T 8928
Solubility,%	≮99.5	99.96	≮99.5	99.96	≮99.5	99.92	GB/T 11148
Wax content,%	≯2.2	1.6	≯2.2	1.8	≯2.2	1.9	SH/T 0425
Flash point,℃	≮260	>300	≮260	>300	≮245	>300	GB/T 267
Membrane oven experiment
Quality loss,m%	≯±0.8	-0.1	≯±0.8	-0.13	≯±0.8	-0.17	GB/T 5304
Residue penetration ratio,%,	≮63	65	≮61	63	≮57	61.1	GB/T 4509
Residue ductility (10℃,),cm	≮4	6	≮6	8	≮8	12	GB/T 4508

In order to ensure high quality of “Donghai” asphalt from crude procurement to engineering application, Sinopec compiles “Sinopec Donghai Asphalt Quality Assurance System” to impose rigorous control over quality in crude procurement, asphalt production, product sales, transportation, and storage and construction application. By this way, Sinopec ensures asphalt quality throughout the whole production procedure and service quality throughout sales process. 

Application of Sinopec Donghai Asphalt in Engineering Construction

Sinopec Donghai Asphalt has made its name through product high quality, service integrity and participation in domestic high-end asphalt market competition and been widely utilized in such key infrastructure projects as domestic airport runway, high-speed road, urban thoroughfare and bridge surface, etc. To be specific, Donghai Asphalt has been successfully used in the following projects:

National key high grade roads, including Xilan high-speed road, Ninghai section of Tongsan high-speed road, Huning high-speed road, Hexu high-speed road, Bolai high-speed road, Liwen high-speed road, Kunming to Shilin high-speed road, Leqing and Wenzhou section of Zhejiang Yongtaiwen high-speed road, Qinglong high-speed road of Shenzhen, Huadu airport high-speed road of Guangzhou, Zhejiang section of Zhajiasu high-speed road, Beilun Section of Ningbo high-speed road, Hulu high-speed road, Foshan first ring express way, Zhaoqing section of 321 National Road, Luoping high-speed road, the high-speed road to Beijing Capital Airport, the high-speed road to Zhengzhou airport, Henan section of Daguang high-speed road and Canghuang high-speed road.

Urban thoroughfares including Shanghai Century Thoroughfare, Shanghai Putong thoroughfare, Nanning ethnic thoroughfare, Hangzhou Hupo road, Hangzhou Nanshan road, Zhuhai to Jiuzhou thoroughfare and Chongqing Yingbin thoroughfare, etc.

Bridge surface pavements: Hangzhou Fuxing overpass, Hangzhou Zhonghe overpass, Qianjiang San Bridge of Hangzhou, Longyinqiao Bridge and Jiefangqiao Bridge of Guilin and Shanghai Donghai Grand Bridge, etc.

Airport runways: Guangzhou Baiyun Airport and Huadu Airport, Guilin Airport, a military airport in Zhanjiang and Hongqiao Airport.

Racetracks: Shanghai Formula 1 racetrack, Shenzhen Qinglong high-speed bicycle racetrack, etc.

Beijing 2008 Olympic Games Main Track and Field Stadium- the National Stadium Racetrack

Donghai asphalt has reached international advanced level and won accreditation of certain authority agencies after its successful application in Shanghai F1 racetrack and the racetrack of National Stadium-the Beijing Olympiad main venue. Relying upon Sinopec’s resources, technologies, talents and synergetic advantages, Sinopec Shanghai Asphalt Marketing Company adopts the philosophy of “Serve the customers and Serve the enterprises” and will as always cooperate with all parties to develop new technologies and products, upgrade product quality, provide technological service to meet the new demands for asphalts of road construction.