BS ISO 19862:2015 pdf free.Buildings and civil enggineering works一Sealants一Durability to extension compression cycling under accelerated weathering. BS ISO 19862 specifies a method for the determination of classification of durability of sealants used in exterior joints in building construction. 2 Normative reference The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 4892-11), Plastics一Methods of Exposure to Laboratory Light Sources一Part 1: General Guidance IS0 4892 2:2013, Plastics一Methods of exposure to laboratory light sources一Part 2: Xenon-arc lamps ISO 4892-32) Plastics一Methods of exposure to laboratory light sources一Part 3: Fluorescent UV lamps ISO 4892-4, Plastics一Methods of exposure to laboratory light sources一Part 4: Open-flame carbon-arc lamps ISO 6927, Buildings and civil engineering works一Sealants 一Vocabulary IS0 13640, Building construction一Jointing products一Speifications for test substrates 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 6927 apply. 4 Principle Test specimens are prepared such that the sealant to be tested adheres to two parallel contact surfaces. The cured and conditioned test specimens are compressed to a defined width…