TOPBEST- 661密封胶带对各种真空袋及复合工具都有较高的粘着力，在树脂固化周期内具有优异的密封性，固化后非常容易从冷或暖的工具表面去除干净。
TOP BEST-661 has high surface adhesion force on vacuum bag and a variety of tools. In the curing cycle it has excellent seal, and very easy to remove from the cold or heating surface after the curing.
TOPBEST-665密封胶带对各种真空袋及复合工具都有高的表面粘着力、优异密封性，是一款高性价比的密封胶带。
TOP BEST-665 has high surface adhesion force on vacuum bag and a variety of tools. It is cost-effective and shows excellent sealing performance.
紧密可靠，目前球阀的密封面材料广泛使用塑料，密封性好，在真空系统中也已广泛使用。
3 close and reliable, the current valve sealing surface material widely used plastic, good sealing, in the vacuum system has also been widely used.
此产品具有防静电功能好、抽真空效果佳、透明度高、透（氧）气率低、防潮性能好、抗拉强度与耐穿刺强度高、易热封、密封性好、不易老化等特点。
It could be firmly hot sealed and strongly laminated between different layers of material; four cornered solid construction make it also has good function of resistance of the water and oxygen .
此产品具有防静电功能好、抽真空效果佳、透明度高、透（氧）气率低、防潮性能好、抗拉强度与耐穿刺强度高、易热封、密封性好、不易老化等特点。
It could be firmly hot sealed and strongly laminated between different layers of material; four cornered solid construction make it also has good function of resistance of the water and oxygen .
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