Summary of Rubber Modified Asphalt Product Specifications around ...

针入度 Cone
Penetration(25 o C,100g,5S)(0.1mm)
不小于
不小于
不小于
延度 Ductility(5cm/mim,15 o C)(cm)Not less than
延度 Ductility(5cm/mim,10 o C)(cm) Not less than
软化点(环球法)Softening Point( o C)Not less than
溶解度(三氯乙烯)类型Solubility in
trichloroethylene(%) 不小于 Not less than
Requirement
60~80
100
20
46
99.5
针入度指数PI -1.5~+1.0
薄膜加热试验
Thin Film Oven
不小于
Test
163 o C,5h
质量损失(%)Mass Loss
不大于 Not more than
针入度比(%)Penetration Ratio
不小于 Not less than
闪点 Flash Point(COC)( o C)
0.6
延度(15 o C)(cm) 不小于 100
延度(10 o C)(cm) 不小于 6
含蜡量(蒸馏法)Wax content(%)
不大于 Not more than
密度 Density(15 o C)(g/cm3)
不小于 Not less than
动力粘度 Kinematic Viscosity (绝对粘度,60
o C)(Pa.s) 不小于 Not less than
65
260
2
1.01
180
PG等级 PG grading PG64-22
(2)橡胶粉 Crumb Rubber Modifier
橡胶粉颗粒规格应符合表3要求。橡胶粉筛分应采用水筛法进行试验。橡胶粉密度应为1.150.05
g/cm 3 ,应无铁丝或其它杂质,纤维比例应不超过0.5%,要求含有橡胶粉重量4%的碳酸钙,以防止
胶粉颗粒相互粘结。The Crumb Rubber Modifier should meet the requirement of Table 3. The
gradation analysis should use wet sieve method. The density of CRM should be 1.150.05
195