1.1 This specification covers clear silicone varnished glass fabrics in the form of sheets, rolls, and tapes for use as electrical insulation.

1.2 The product covered by this specification shall be designed to conform to Class 180 electrical insulating materials as classified by IEEE Standard No. 1.

1.3 The values stated in inch-pound units are to be regarded as the standard except temperature which is stated in degrees celsius.