IS 2457 : 1979 Specification for Cotton Umbrella Cloth, Waterproofed

1 Scope

1.1 This standard prescribes constructional details and other particulars ofeight varieties of cotton umbrella cloth, waterproofed.

1.2 This standard does not specify the general appearance, lustre, feel,shade, etc, of the cloth.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 293 :1967 Specification for seaworthy packaging of cottoncloth andyarn

IS 767 :1956 Method for determination of colour fastness oftextilematerials to water

IS 1347 :1972 Specification for inland packaging of cotton cloth andyarn

IS 1390 :1961 Methods for determination of pH value of aqueousextractsof textile materials

IS 1954 :1969 Methods for determination of length and width offabrics

IS 1963 :1969 Methods for determination of threads per decimetre inwoven fabric

IS 1964 :1970 Methods for determination of weight per square metreandweight per linear metre of fabrics

IS 1969 :1968 Methods for determination of breaking load andelongationat break of woven textile fabrics

IS 2454 :1967 Method for determination of colour fastness of textilematerials to artificial light (xenon lamp)

IS 2977 :1964 Method for determination of dimensional changes ofwovenfabrics (other than wool) on soaking in water

IS 3919 :1966 Methods of sampling cotton fabrics for determination ofphysical characteristics

IS 5463 :1969 Methods for sampling of cotton fabrics for chemicaltests

IS 7940 :1976 Method for determination for resistance to penetrationbywater of fabrics by static pressure head test

IS 7941 :1976 Method for determining the water repellency of fabricsby cone test