This part of GB/T 31334 specifies the test method for determining the dry heat shrinkage of dipped canvas by placing it horizontally. This section applies to the test for the determination of the dry heat shrinkage properties of dipped canvas made of fibers.
GB/T 31334.4-2016 Referenced Document
GB/T 32110 Terms and definition of dipped reinforcing materials
GB/T 6529 Textiles.Standard atmospheres for conditioning and testing
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
HG/T 2765.4 Blue gel indicator,color changing silica gel and non-cobalt color changing silica gel
GB/T 31334.4-2016 history
2016GB/T 31334.4-2016 Test methods for dipped canvas—Part 4:Hot air thermal shrinkage