一、产品概述：

top best 系列不干胶是单组份、具有不固化性的中性密封胶，具备优良的气密性、耐侯性，有698、668、688等多款型号。产品符合车用材料及零部件散发性能测试标准的要求。不干胶温度敏感性小，高温不流淌，低温易挤出。

description:

top best automotive gap-filling butyl sealant is a one-component,permanent non-solidation sealing material.it shows good performace on air-tightness,weather resistance.there are 698、668、688 and so on.meet the emission test and re for the materials and components in vehicle. small temperature-sensitive，no flowing under high temperature,easy to extrude under low temperature.

二、适用范围：

车身、行李箱等橡塑密封条中的沟漕内，起到密封防水、防尘等作用。打胶泵在线涂胶，随现场温度的不同，可通过调节胶泵气压控制出胶量。

application area:

gasket gap-filling for automotive doors,windows,inside and outside panels,etc.on line applying with the sealant pump,the application surface should be clean,dry and oil-free. adjust the pressure of the pump according to deferent temperature.