Thermal insulation products for building applications
BS EN 13497:2018 pdf free.Thermal insulation products for building applications一Determination of the resistance to impact of external thermal insulation composite systems (ETICS). For the test a steel ball is dropped from a specified height onto the surface of the test specimen (see Table 1). A second impact (rebound) by the ball shall be avoided. 5.2 Steel ball requirements Balls made […]
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