双面胶是合规的。去ittf网站上能看到一个叫M4：Racket Coverings的文档，里面第7页是如下内容：
Adhesive - The use of a thick layer of adhesive is NOT permitted either with
in the blade (Law 2.4.2), or between the blade and the racket covering.

PSA (Pressure-Sensitive Adhesive sheets) - Apart from adhesives, a PSA may b
e used for fixing the rubber to the blade. Some of these are water-based sys
tems. PSA may not be more than 0.1 mm thick and may not be cellular. It may
consist of two layers of adhesive supported on the two sides of a plastic fi
lm or a cellulosic paper or may be one solid layer of film. The packaging sh
ould carry the trade name and instructions for use.

双面胶是典型的PSA。

另外多说一句哈，你要看你的底板面材是啥东东，如果是爱拉丝型的，千万千万千万不要用双面胶这类东西。。。

【 在 puja 的大作中提到: 】
: 今天用双面胶把一块反胶粘到铁拍子上了，比胶水牢多了
: 感觉至少无机胶水，无法粘合金属
: 就是不知道双面胶粘反胶，是不是合规
: ...................
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