上海内燃机研究所与浙江慈溪密封材料厂共同开发研制了用新型无石棉密封材料,即PSFD膨胀石墨制成的内燃机气缸垫。近两年来共试制和试验了解放、东风和上海牌汽车气缸垫十万多片。1986年6月24日至25日在杭州举行了技术鉴定会,会议由浙江省科委主持。出席会议的有来自全国各地的生产单位、使用部门、院校和研究所代表共三十余人。 Shanghai Institute of Internal Combustion Engineers and Cixi, Zhejiang sealed materials plant jointly developed with a new type of non-asbestos sealing material, which is expanded graphite PSFD engine cylinder liner made. Over the past two years, a total trial and test of the liberation, Dongfeng and Shanghai brand automobile cylinder pad more than 100,000 pieces. June 24, 1986 to 25 in Hangzhou held a technical appraisal meeting hosted by the Zhejiang Provincial Science and Technology Commission. A total of more than 30 representatives from production units, departments, institutions and institutes attended the conference.