TOP BEST - 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.

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TOP BEST-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.

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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.

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