1.1 This specification covers chemical resistant, low expansion, Type I, borosilicate glass, Class A (see Specification E438), used to manufacture corrosion-resistant pipe and fittings for drain, waste, and vent service.

1.2 The pipe and fittings covered by the specification are intended for chemical resistant service above and below grade under gravity flow or vacuum conditions.

1.3 The pipe and fittings shall have beaded or plain ends.