Standard Test Method for Aggregate Layer Hiding Power

Importancia y uso:

4.1 One of the functions of a roofing aggregate is to shield the roofing membrane from sunlight that may be destructive to the roofing membrane. This test method measures the quantity of gravel needed to exclude light under arbitrary laboratory conditions. This test method need not be performed if the roofing membrane is not affected by light exposure.

Subcomité:

D08.03

Volúmen:

04.04

Número ICS:

87.060.10 (Pigments and extenders)

Palabras clave:

aggregate; ballast; bituminous; roofing;