This document specifies the humidity control and test environment, test method and test report for glass fiber density determination. This document describes three test methods for determining the density of glass fibers, namely: --- Method A: gas pycnometer method; --- Method B: liquid pycnometer method; --- Method C: buoyancy method. Method A is the referee test method. This document applies to the determination of glass fiber density.
GB/T 41063-2021 Referenced Document
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 9914.2 Test method for reinforcement products.Part 2:Determination of combustible-matter content for glass fibre