HG/T 4383-2012Sound-absorbing cones (English PDF)
吸声圆锥
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 28, 2012
Implementation date
June 1, 2013
Scope
HG/T 4383-2012 is the English-translated version of 吸声圆锥.
Sound-absorbing cones are the subject of HG/T 4383-2012, a recommended standard of the Chinese chemical industry. It sets requirements for two specifications of conical absorber, designated AST-1 and AST-2, and adds the test methods, inspection rules, packaging, labelling, transport and storage that go with them. The cones it describes are components of underwater acoustic materials. Its classification is G47 in the Chinese system and 83.140.99 internationally, placing it with rubber products for specialised use. Testing relies on GB/T 528, GB/T 531.1, GB/T 533, GB/T 3512, GB/T 3672.1, GB/T 4497.1 and GB/T 14369. Issued on 28 December 2012, it has applied since 1 June 2013.
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Document preview — HG/T 4383-2012
National Standard of the People's Republic of China
- ICS
- 83.140.99
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 4383-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 528
GB/T 531.1
GB/T 533
GB/T 3512
GB/T 3672.1-2002
GB/T 4497.1
GB/T 14369
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 3512Rubber, vulcanized or thermoplastic -- Accelerated ageing and heat resistance tests -- Air-oven method
- GB/T 14369Acoustics - Measurement methods of insertion loss, echo reduction and sound absorption coefficient for underwater acoustical material samples
GB/T 528 · GB/T 531.1 · GB/T 533 · GB/T 3672.1-2002 · GB/T 4497.1
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Related Standards
GB/T 14369-2011 — Acoustics - Measurement methods of insertion loss, echo reduction and sound absorption coefficient for underwater acoustical material samples
GB/T 3512-2014 — Rubber, vulcanized or thermoplastic -- Accelerated ageing and heat resistance tests -- Air-oven method
GB/T 35120-2017 — Information exchange specification for digital model of internet of things in manufacturing processes
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