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BAK BRAND PIPES & FITTINGS SPECIFICATION
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MATERIAL
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UNPLASTICATED POLYVINYL CHLORIDE (UPVC)
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GENERAL PROPERTIES
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Specific Grativity
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1.42 gm/cm3
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Water Absorption
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4 gm/cm3
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Flammability
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Will not support combustion
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THERMAL PROPERTIES
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Softening Point
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80 deg c
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Specific Heat
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0.25 cal/deg c
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Thermal Conductivity
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0.13 cal/cm-h-deg c
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Coefficient of Linear Expansion
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6.7 * 10-5 deg c
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Elongation at Break
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10-50%
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MECHANICAL PROPERTIES
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Ultimate Tensile Strength
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475-525 kgf/cm2
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Compressive Strength
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670 kgf/cm2
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Flexural Strength
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950 kgf/cm2
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Impact Strength
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4-4.5 Joules
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Modulus of Elasticity
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3.2 * 10 kgf/cm
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ELECTRICAL PROPERTIES
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Volume Resistivity
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1014ohm/cm
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Surface Resistivity
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1012ohm/cm
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Power Factor (at 10 cycles)
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3.0
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COLOUR
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Black, White, Lightgrey, Darkgrey, Orange
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