GBJ 88-1985
Measurement of sound-absorbing coefficient and sound-resistance rate by method of standing wave tubes (English Version)

Standard No.

GBJ 88-1985

Language

Chinese, Available in English version

Release Date

1986

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Withdraw

Latest

GBJ 88-1985

Scope

This specification applies to sound-absorbing materials and sound-absorbing components that absorb airborne sound. A standing wave tube is used to measure the sound absorption coefficient and normal acoustic impedance rate at normal incidence.

GBJ 88-1985 history

• 1986 GBJ 88-1985 Measurement of sound-absorbing coefficient and sound-resistance rate by method of standing wave tubes