Moulding skin on outside radius surface - Linings for riveting or bonding
Acceptable up to 3% of surface area provided dimensional specifications are maintained.
Moulding skin on inside radius surface - Linings for riveting
Where inside ground finish is specified up to 10% of surface acceptable, provided dimensional specifications are maintained.
Moulding skin on inside radius suface - Linings for bonding
Where inside ground finish is specified up to 3% of surface acceptable provided the unground area is not at the lining ends and dimensional…
Foreign matter surface inclusion
Not acceptable, but for inclusions of similar friction material it can be accepted as follows: max 25 mm² passenger car, max 100 mm² commercial vehicle.