Normas ISO

Countersunk slotted raised head screws (common head style) -- Product grade A

Slotted countersunk flat head screws (common head style) -- Product grade A

Rubber, unvulcanized -- Determination of plasticity -- Rapid-plastimeter method

Rubber latex, synthetic -- Determination of high-speed mechanical stability

Rubber latex, natural, concentrate -- Determination of sludge content

Acoustics -- Determination of occupational noise exposure and estimation of noise-induced hearing impairment