论文部分内容阅读
随着科学技术的飞速发展,新的粘接技术和胶粘剂不断出现。“胶接”在国民经济各个领域中得到广泛应用,己成为不可缺少的技术之一,其优越性已越来越被人们所认识。我们根据工厂需要,现已研制成功一种“15”耐热密封胶。“15”耐热密封胶具有优良的特性。它固化后剪切强度为200kg/cm~2以上;耐热性能高,可在175℃情况下长期使用,瞬时可达200℃;密封性好,在两个大气压下不漏气,在酸、碱、水浸泡数日后仍不漏气。它韧性好,固化温度低,毒性小,便于推广使用。
With the rapid development of science and technology, new bonding technologies and adhesives are emerging. “Bonding” has been widely used in all fields of the national economy and has become one of the indispensable technologies. Its superiority has been increasingly recognized by people. According to the needs of the factory, we have successfully developed a “15” heat-resistant sealant. “15” heat-resistant sealant has excellent characteristics. It is cured after shearing strength of 200kg / cm ~ 2 or more; high heat resistance, long-term use at 175 ℃, instantaneous up to 200 ℃; good sealing, at two atmospheres pressure is not leakage, acid, Alkali, water is still a few days after the leak. Its toughness, low curing temperature, low toxicity, easy to promote the use.