ASTM D 2671:2021

1.1 These test methods cover the testing of heat-shrinkable tubing used for electrical insulation. Materials used include poly(vinyl chloride), polyolefins, fluorocarbon polymers, silicone rubber, and other plastic or elastomeric compounds. 1.2 These test methods appear in the following sections: Procedure Section(s) Test Method(s) Adhesive Peel Strength 94 - 100 Brittleness Temperature 40 D746 Color 55 and 56 D1535 Color Stability 57 - 62 D1535 Conditioning 7 D618 Copper Stability 89 Corrosion Testing 85 - 91 Dielectric Breakdown 20 - 25 D149 Dimensions 8 - 13 D876 Flammability 68 D8355 (Methods A, C, or D) Fluid Resistance 63 - 67 Fungus Resistance 100 - 104 Heat Resistance 49 - 54 Heat Shock 26 - 30 Low-temperature Properties 36 - 43 Restricted Shrinkage 14 - 19 Selection of Test Specimens 6 Secant Modulus 77 - 80 D882 Storage Life 31 - 35 Specific Gravity 69 and 70 D792 Stress Modulus 81 - 84 D412 Tensile Strength and Ultimate Elongation 44 - 48 D412 Thermal Endurance 92 and 93 Volume Resistivity 71 - 74 D257 Water Absorption 75 and 76 D570 Melting Point 100 - 104 D3418 1.3 The values stated in inch-pound units are to be regarded as standard, except for temperature, which shall be expressed in degrees Celsius. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use....

29.035.20