Our SIRIM tested Acoustic Timber Door is tested by SIRIM with STC of above 45 db (49 dB). It is also fitted with triple bead acoustic seal system, air-tight lever and ironmongeries. The construction consists of combined alternating density thickness combination of inner skin, single core acoustic absorbent lining and outer skin. The design is made such that resonance if reduced.更多 ISTIQ Noise Control Sdn Bhd 相关资料
ISTIQ Noise Control Sdn BhdIndustrial Noise Control Malaysia, Architectural Acoustics Kuala Lumpur (KL), Audiometric Test Room Selangor ~ ISTIQ Noise Control Sdn Bhd