Test info 测试内容:

> Material"s type - Chemical method to check the material’s composition

> Corrosion resistance - Similar as saline fog test

> Coating"s adherence - Physical method to check each ball’s coating if be well adherence

> Mechanical characteristics - Hardness test realized with a 150kg load

> Interior of the petanque balls - Balls must be hollow

> External aspect - In order to help the recognition of balls during the game, the external surface must have steaks, hollow or any drawings. To improve the user"s information, it"s recommended to put the name, the brandmark, the manufacturer name,....graved on each ball. To avoid confusion with competition balls, the ball"s weight must not be mentioned on the external surface of the ball

> Lot - If balls are sold by batch => the exterior diameter gap between ball of a same batch must be inferior or equal to 1mm & the weight gap between each ball must be inferior or equal to 10g.

Lead time 测试周期: 常规 regular service4weeks working days

Sample size 送样规格: 4 balls of the same model + 1 halp shell ( half ball )

Others 其他信息: