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ASTM’s Proposed Standard to Determine Longevity of In-service Building Sealants

Published on 2016-06-03. Author : SpecialChem

A proposed new ASTM standard will help determine the longevity of in-service building sealants. The proposed guide (WK48490, Practice for Developing Accelerated Tests to Aid Prediction of the Design Life of Sealants) provides steps that should be followed in creating accelerated tests for these products that provide insulation, prevent leaking, and more.

Fig. 1: ASTM

“This standard is a reflection of the changing environment around accelerated testing of materials,” says ASTM member Christopher White, a research chemist at the U.S. National Institute of Standards and Technology. “There is a huge need to understand how long a material will last in service.”

According to White, the standard, being developed by ASTM Committee C24 on Building Seals and Sealants, will help professionals systematically develop an effective accelerated design life test for joint sealant systems. Such systems separate the inside of a building from the outside. These sealants include the critical materials that hold insulating glass units in place and minimize leakage of air, water, and more. Those involved in new building joint sealant systems could benefit greatly from the standard.

About ASTM

ASTM International is a globally recognized leader in the development and delivery of voluntary consensus standards. Today, over 12,000 ASTM standards are used around the world to improve product quality, enhance health and safety, strengthen market access and trade, and build consumer confidence.

ASTM's leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world's top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM's advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.

Source: ASTM

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