ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
The ASTM E90 standard is an important test procedure applied in the construction and architecture sectors to quantify the airborne sound transmission loss of building partitions and components. The test delivers significant information regarding the sound insulation characteristics of materials, ensuring conformity to building codes and enhancing acoustic performance in a wide range of environments. It assists in determining the efficiency of walls, floors, ceilings, and doors in reducing noise transmission, which is necessary for designing acoustically optimized spaces in domestic, commercial, and industrial buildings.
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ASTM E90 Introduction
Soundproofing in structures is now of the utmost significance owing to the escalating levels of noise pollution following increased urbanization and industrialization. It presents an agreed standard way of determining sound insulation properties for materials. Architectural designers, engineers, as well as building manufacturers, find the testing method invaluable as it aids them in gauging how successfully walls, doors, windows, and other structures in buildings function to stop sound transmission. Information acquired through this test is essential to develop quieter and more comfortable spaces within residential, commercial, and industrial buildings.
ASTM E90 Test Method
Test Chamber Setup
The test is performed in a laboratory environment with two rooms, a source room and a receiving room. The partition or building element under test is placed between the two rooms. The test chamber should be designed to reduce external noise interference and provide accurate measurement of sound transmission loss.
Sound Generation and Measurement
A source of broadband noise, usually a loudspeaker, produces sound in the source room. The level of the sound is quantified in both the source and receiver rooms with accuracy microphones. The variation of the sound level between the two rooms gives the transmission loss measurement for the tested material.
Data Analysis and STC Calculation
The data collected is analyzed to calculate the transmission loss at multiple frequencies. Then, the STC rating, a single-figure rating of how well the material blocks sound in general, is calculated from the results.
ASTM E90 Equipment and Sample Preparation
Specimen Detail
The test may be used in several building elements such as walls, doors, windows, and composite buildings. The test specimen should represent the real product under practical application so that accurate test results are produced.
Sample Size
It defines the sizes of test specimens required, commonly large enough to yield valid measurements of transmission loss. The sizes vary with laboratory equipment and character of the tested material.
Sample Preparation
Precise mounting of the sample is very important to obtain accurate results. The sample should be firmly mounted so that gaps, seams, and joints are properly sealed to avoid unintentional sound leaks, which may influence the precision of the measurements.
ASTM E90 Test Result and Interpretation
The major result of the test is a series of transmission loss values at various frequencies, usually displayed in graphical form. The values are examined to determine the STC rating, by which various materials can be compared. Increased STC ratings show improved sound insulation performance, so the material will be more effective at soundproofing airborne noise. The outcome is used to inform material selection for building soundproofing applications.
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ASTM E90 Related Tests
Other standardized tests supplement ASTM E90, such as ASTM E336 for field sound insulation measures and ASTM E413 for establishing STC values. These tests serve to validate laboratory results and assure consistency in real-world applications.
Use of E90 in Various Industries
The test is applied extensively in construction, manufacturing, and architectural acoustics. In residential and commercial buildings, it helps meet noise control requirements. The automotive and aerospace industries also use this test to measure the sound insulation of vehicle parts.
Materials Commonly Tested with E90
A range of materials is evaluated with this specification, such as gypsum board, concrete, metal panels, acoustic doors, glass partitions, and insulation materials. Material selection is based on the project’s particular noise reduction requirements.
E90 Importance
The standard plays a crucial role in evaluating and enhancing the acoustic performance of buildings and products. By offering a standardized method for measuring sound transmission loss, it assists manufacturers, architects, and engineers in developing improved soundproofing products, ultimately improving living conditions in different environments.
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FAQ's
Where can I get the astm e90 tested?
You can share your astm e90 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e90 test to various testing techniques.
How much do I need to pay for the astm e90 test?
Please contact us for a detailed quote for your astm e90 testing needs. Cost incurred to carry out different astm e90 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm e90?
The required number of samples or specimens should comply with the procedure given in the astm e90 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
How much discount can I get on the astm e90 test?
MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
How many days will it take to complete the astm e90 test?
The turnaround time for astm e90 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm e90 tested?
You can share your astm e90 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm e90 test to various testing techniques.
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