20/30409857 DC

This standard 20/30409857 DC BS ISO 15222. Truck and bus tyres. Method for measuring relative wet grip performance. Loaded new tyres is classified in these ICS categories:

• 43.080.01 Commercial vehicles in general
• 83.160.10 Road vehicle tyres

This International Standard specifies the method for measuring relative wet grip braking performance index to a reference under loaded conditions for new tyres for use on commercial vehicles on a wet-paved surface.

The methods developed in this International Standard are meant to reduce the variability. The use of a reference tyre is necessary to limit the variability of the testing method procedures.

This International Standard applies to all commercial vehicle, truck and bus tyres.

This international Standard does not apply to:

• tyres fitted with additional devices to improve traction properties (e.g. studded tyres).

• Professional Off Road tyres