This document specifies a test method for determining the mechanical viscoelastic properties of interlayer materials. The interlayers under examination are those used in the production of laminated glass or laminated safety glass. The shear characteristics of interlayers are needed to design laminated glass in accordance with EN 16612:2019 and EN 19100 (all parts). Parameters of the Prony series, widely used in numerical simulation, can be derived from the measurements in Annex C.
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EN 1288-3:2000 Glass in building - Determination of the bending strength of glass - Part 3: Test with specimen supported at two points (four point bending)
EN 16612:2019 Glass in building - Determination of the lateral load resistance of glass panes by calculation
EN ISO 6721-1:2019 Plastics - Determination of dynamic mechanical properties - Part 1: General principles (ISO 6721-1:2019)
EN 1288-3:2000 Glass in building - Determination of the bending strength of glass - Part 3: Test with specimen supported at two points (four point bending)
EN 16612:2019 Glass in building - Determination of the lateral load resistance of glass panes by calculation
EN ISO 6721-1:2019 Plastics - Determination of dynamic mechanical properties - Part 1: General principles (ISO 6721-1:2019)
ISO 18437-6:2017 Mechanical vibration and shock — Characterization of the dynamic mechanical properties of visco-elastic materials — Part 6: Time-temperature superposition
ISO 6721-10:2025 Plastics — Determination of dynamic mechanical properties — Part 10: Complex shear viscosity using a parallel-plate and a cone-and-plate oscillatory rheometer
ISO 6721-11:2019 Plastics — Determination of dynamic mechanical properties — Part 11: Glass transition temperature