Cacher la carte de test de puissance

Cacher la carte de test de puissance is a glass board which is printed 16 white squares and 16 black squares. Every square size is 25mm×25mm. It is used to check the hiding power of paints. Operator brush some paint on it surface till can’t see white square and black square completely, then weight the used paint and divide the whole area（200cm²）, use g/cm² to express this paint hiding power capacity. It is a easy and fast method to test hiding power of paints.

Paramètres techniques principaux

■ Reflectance of white square：80±2

■ Reflectance of black square：≤1

■ Overall dimension：250mm × 100 mm