日本科尼希公司,最近已开发、并正式开始销售一种新的土木用高弹性聚氨酯密封材料—Bondo UP seal。该产品是用带色母料进行着色的三组分混合型的弹性密封材料。其特点在于:(1)具有强韧的橡胶弹性,对缝隙的伸缩能够长期保持良好的随从性;(2)体积收缩率极小;(3)模量、伸长率高;(4)对涂专 Japan’s Koenig Co., Ltd. has recently developed and officially started selling a new type of civil-use highly resilient polyurethane sealing material, the Bondo UP seal. This product is a three-component hybrid elastic sealing material that is colored with a color masterbatch. Its characteristics are: (1) It has strong rubber elasticity, and it can maintain good conformability to the expansion and contraction of the gap for a long time; (2) Minimal volume shrinkage; (3) High modulus and elongation; (4) Painted