The third party testing agency, BAIJIAN Testing Center, can test the sound absorption performance of sound absorption cotton, mineral wool, fiber, trough wood, polyester materials, curtain wall, glass wool, microporous wood, ceramic aluminum, rock wool board, organic fiber sound absorption materials, inorganic fiber sound absorption materials, inorganic foam sound absorption materials, foam plastic sound absorption materials and other sound absorption materials. It is the governing unit of the China Inspection and Testing Society and the research institute of collective ownership, According to the sound absorption performance testing standards, sound absorption materials can be tested in multiple aspects. A sound absorption performance testing report can be issued within 7-15 working days. It has been rated as an AAA level credit enterprise by the China Business Integrity Service Platform, with CMA testing qualifications and high-tech enterprise certificates, multiple laboratory branches, complete testing equipment, and a wide range of testing Testing items include corrosion resistance, shock resistance, thermal insulation, flame retardancy, sound absorption, strength, stability, moisture resistance, etc Testing standard

ASTM C423-2009a Test method for determining sound absorption and absorption coefficient using the reverberation chamber method

ASTM C522-2003 (2009) e1 Air flow resistance test method for sound-absorbing materials

ASTM C636/C636M-2008 Installation specification for metal ceiling systems for sound-absorbing bricks and lining panels

ASTM C1071-2012 standard specification for fiber glass pipeline lining insulation materials (insulation and sound-absorbing materials)

ASTM E1050-2012 using a single tube Test Method for Determining Impedance and Absorption of Sound Absorbing Materials Using Two Microphones and a Digital Frequency Analysis System

ASTM E1264-2014 Classification of Sound Absorbing Ceiling Products

ASTM E2963-2014 Test Method for Sound Absorption Effect of Ship Noise Treatment in Laboratory Measurement of Ship Cabins and Decks

ASTM F2154-2001 (2007) Specification of fiberglass sound-absorbing board with porous glass fabric facing

DIN EN 12354-6-2004 Building acoustics Evaluation of acoustic performance of buildings from the performance of components Part 6: Sound absorption of enclosed rooms

FZ/T 64057-2016 reprocessed fiber felt for air conditioning sound absorption

GB/T 33620-2017 Detection and evaluation of sound absorption performance of textiles

GM 9982227-1999 polyurethane, sound absorption/structural foam, Isocyanate hardener

GM 9982228-1996 polyurethane sound-absorbing foam, polyolefin resin

GM 9986183-2000 low MDI amino sound-absorbing foam, mixture

GM 9986184-2000 low MDI amino sound-absorbing foam, curing agent

GM 9986185-2005 low MDI amino sound-absorbing foam, prepolymer protectors

GOST 16297-1980 test methods for sound-absorbing and sound-absorbing materials

ISO 2509-1989 sound-absorbing expanded pure integrated cork for tiles

Sound absorption cotton, mineral wool Fiber, trough wood, polyester material, curtain wall, glass wool, microporous wood, ceramic aluminum, rock wool board, organic fiber sound absorption material, inorganic fiber sound absorption material, inorganic foam sound absorption material, foam plastic sound absorption material, etc Testing advantages: 1. Baijian.com mainly focuses on inspection, testing, testing, analysis, and testing, with rich experience and a wide range of services. 2. We have multiple laboratory branches and can quickly respond to customer needs in various places 3. The testing team has complete testing instruments and can conduct multi-dimensional testing on samples 4. All experiments attach great importance to protecting the privacy of customers and sign confidentiality agreements for testing data 5. Short detection time, low cost, scientific reliability, and accurate data 6. Support customers to send samples for testing, as well as engineers to conduct on-site sampling or sampling The role of testing reports is to provide research data for relevant scientific research papers 2. Used for product quality control and improving product costs 3. The testing report can be used for product import and export services 4. Based on the data information in the testing report, identify problems with the product, improve product quality, and reduce product costs 5. It can give the product an advantage in sales and provide scientific and reliable product data 6. Assist the public security, procuratorial and legal departments in conducting relevant quality or ingredient testing Testing process: 1. Baijian.com receives a customer's commission 2. Customers send samples or engineers take samples 3. Engineers provide quotations for samples through initial inspection and evaluation 4. Both parties shall communicate specific testing items, sign a confidentiality agreement, and conduct testing tests 5. Communicate and exchange ideas with each other during the experiment to adjust the experiment at any time Complete the experimental testing within 6-15 working days 7. Provide a sample testing report The above is an introduction to sound absorption performance testing services