Important note: Although the colors in the printed version of this part of GB/T 25895 meet (within the allowable deviation according to visual inspection) the requirements of this part, the printed version of this part is not used for color matching. This part of GB/T 25895 stipulates the shape and color requirements of beach safety flags, and also specifies the chromaticity and photometric properties of the materials used to make beach safety flags, as well as their physical properties such as strength and color fastness. The beach safety flags defined in this section are mainly used to convey information about wind conditions, water conditions and other dangerous situations, or to mark the range of swimming areas and other water sports areas extending from the beach to the water. This part applies to beach safety flags used in the regulation of coastal and inland water sports. This part does not apply to flags used in shooting ranges, flags indicating water quality, or signal flags used in water traffic.
GB/T 25895.2-2010 Referenced Document
BS 5441 Methods of test for knitted fabrics*, 2019-09-30 Update
GB/T 250 Textiles.Tests for colour fastness.Grey scale for assessing change in colour
GB/T 251 Textiles.Tests for colour fastness.Grey scale for assessing staining
GB/T 3920 Textiles.Tests for colour fastness.Colour fastness to rubbing
GB/T 3923.1 Textiles.Tensile properties of fabrics.Part 1:Determination of maximum force and elongation at maximum force using the strip method*, 2013-10-10 Update
GB/T 3979 Methods for the measurement of object color