IS 7011 : 1973 Specification for Back-silvered Mirrors Used in Instrument Industry

UDC 535.87 : 631.2 PGD 22
Reaffirmed 2021

1 Scope

1.1 This standard specifies the requirements of back-silveredmirrors intended:

a) for use in air-tight instruments, and

b) for general use where the mirror is exposed to theatmosphere.

2 Reference

IS 2 : 1960   Rules forrounding off numerical values