This standard covers the requirements in regard to the material, con struction, workmanship and the performance test for the visor used in motor cycle and scooter helmets. This standard is an adjunct to IS : 415〓 1982*.
Note — If the visors are manufactured separately, these should match to the shape as specified.
IS 9973-1981 history
1982IS 9973-1981 Specification for scooter helmet visors