Polypropylene Laminate Coil

Polypropylene Laminate Coil delivers polypropylene’s lightweight chemical resistance combined with structural reinforcement layers in a continuous roll format for large-scale manufacturing. The laminated structure enhances stiffness, impact resistance, and environmental durability, enabling use in tank linings, roll-fed protective barriers, and industrial-scale packaging systems. The coil form allows efficient processing in automated lamination, sheeting, or thermoforming lines without material interruption. Industries such as chemical processing, renewable energy, and transport infrastructure use this material for corrosion-resistant panels, containment systems, and lightweight cladding. Research applications include large-scale composite barrier testing, fatigue analysis of roll-formed panels, and surface treatment studies for improved adhesion. The continuous coil form enables scalable, high-efficiency production for both technical and structural applications.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Laminate

Thickness		±10%

Coil

Coil Width	=<100mm	±1mm
Coil Width	>100mm	+2% / -1%
Length		+10% / -0%

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Good-Fair
Acids - dilute	Good-Fair
Alcohols	Good
Alkalis	Good
Aromatic hydrocarbons	Fair
Greases and Oils	Good-Fair
Halogenated Hydrocarbons	Good-Poor
Halogens	Poor
Ketones	Good

Mechanical Properties

Element	Value
Coefficient of friction	0.1-0.3
Hardness - Rockwell	R80-100
Elongation at break( % )	150-300, for biax film >50
Tensile modulus( GPa )	0.9-1.5, for biax film 2.2-4.2
Izod impact strength( J m⁻¹ )	20-100
Abrasive resistance - ASTM D1044( mg/1000 cycles )	13-16
Tensile strength( MPa )	25-40, for biax film 130-300,

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.2-2.6
Dissipation factor @ 1MHz	0.0003-0.0005
Dielectric strength( kV mm⁻¹ )	30-40
Surface resistivity( Ohm/sq )	10¹³
Volume resistivity( Ohmcm )	10¹⁶-10¹⁸

Physical Properties

Element	Value
Flammability	HB
Radiation resistance	Fair
Refractive index	1.49
Resistance to Ultra-violet	Poor
Limiting oxygen index( % )	18
Water absorption - equilibrium( % )	0.03
Density( gcm⁻³ )	0.9

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	100-105
Heat-deflection temperature - 1.8MPa( C )	60-65
Lower working temperature( C )	50
Upper working temperature( C )	90-120
Specific heat( J K⁻¹ kg⁻¹ )	1700-1900
Thermal conductivity( W m⁻¹ K⁻¹ )	0.1-0.22@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	100-180