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新型高级汽车制动液(HZ_5)编号:J990812汽车制动液的发展经历了醇型、醇醚型、硼酸酯型等几个阶段,在美国和日本主要是以DOT—3为主,市场比例高达60%～80%,其余均为DOT—4型或更高沸点的制动液,尤其在欧州不限车速的情况下,DOT—4以上的制动液被广泛采用.我国从90年代起,随着汽车性能的提高和公路条件不断改善,要求制动液有较高的干、湿沸点,防止高温产生气阻,因此DOT—4甚至更高沸点的制动液需要量逐年增加.据专家预测,到2000年我国汽车制动液需要量HZ_3型为1.72万吨,HZ_4型为0.72万吨,而到2010年,两者合计则为8万吨.武汉大学化学化工研究所继1996年研制成功HZ_3、HZ_4硼酸酯型制动液以后,又研制成功了HZ_5有机硅酯型汽车制动液.该制动液沸点比HZ_4型更高(平衡回流沸点为275℃,湿沸点为182℃),而且对各种金属无腐蚀,对橡胶皮碗不溶胀,高、低温流动性能指标都进一步得到提高,完全满足汽车制造技术的更新和车速不断提高的要求,保证汽车的行驶安全.合作方式:面议.
New Advanced Automotive Brake Fluid (HZ_5) No .: J990812 The development of automobile brake fluid has gone through several stages, such as alcohol type, alcohol ether type and boric ester type. DOT-3 is mainly used in the United States and Japan, The ratio is as high as 60% ~ 80%, the rest are DOT-4 type or higher boiling point brake fluid, especially in the case of any European speed limit, the brake fluid above DOT-4 is widely used.China from the 90’s With the improvement of automobile performance and continuous improvement of road conditions, brake fluids have higher dry and wet boiling points, preventing air resistance at high temperatures. Therefore, DOT-4 even has a higher requirement for brake fluid with higher boiling point. According to the prediction of experts, by the year 2000, the demand for brake fluid for automobiles in China will be 17,200 tons for HZ_3 type and 7,200 tons for HZ_4 type, and 80,000 tons by the year 2010. The Institute of Chemistry and Chemical Engineering, Wuhan University follows the success of 1996 After successful development of HZ_3 and HZ_4 boric acid ester type brake fluid, HZ_5 silicone ester type automobile brake fluid was successfully developed.The boiling point of this brake fluid is higher than that of HZ_4 type (equilibrium reflux boiling point is 275 ℃, wet boiling point is 182 ℃), but also non-corrosive to all kinds of metal, non-swelling on the rubber cup, high and low temperature flow performance indicators are Further improved, updated and fully meet the speed of automobile manufacturing technology continues to improve the requirements to ensure that the car’s driving safety cooperation: Negotiable.