GB/T 23115-2008Table tennis racket (English PDF)

3.1 Classification by product quality

3.1.1

racket divided into superior products, first-class goods and qualified products.

3.1.2

floor divided into superior products and first-class goods.

3.1.3

rubber sheet and sponge rubber sheet divided into superior products and first-class goods.

3.2 Classification by rubber sheet

3.2.1

tooth grain inwardly as anti-adhesive (in).

3.2.2

tooth grain outwardly positive glue (out).

3.2.3

tooth grain outward, and the tooth height and tooth grain particle diameter ratio > 0.89 long plastic (long).

4.1 General requirements

4.1.1

racket to hit the ball out of the application layer of the tooth rubber sheet covering the grain, together with the adhesive thickness should not exceed 2mm; or with teeth

Grain inward or outward sponge rubber sheet covering, together with the adhesive thickness should not exceed 4mm.

4.1.2

floor, mezzanine floor in any batting side and to any covering and the adhesive layer should be formed by the same type of material

Having a uniform thickness as a whole.

4.1.3

Application of translucent rubber sheet does not significantly change in the surface color of sponge or floor.

It may be coated with a thin layer of transparent paint on the floor 4.1.4, but the film thickness should not exceed 0.1mm.

4.1.5

There should be no open plastic phenomenon.

4.1.6

plate combined with the adhesive rubber sheet or sponge rubber sheet force should >=4N.

4.1.7

racket appearance should be consistent with the requirements of Table 1.