CPP Metalized Film

CPP Metalized Film is a type of cast polypropylene (CPP) film that has been coated with a thin layer of aluminum.

Product Details

Typical Measures:
Thickness: 20-50um
Length: 3000-8000m
Internal Core Diameter: 76&152mm
External Core Diameter: 350-560mm

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Features

*Excellent barrier performance and good fresh-keeping effect.
*The heat sealing strength is extremely high, and the composite performance is stable.
*Good flexibility, effective impact resistance.
*High elongation rate and good elongation effect.

Application

Suitable for puffed food and high barrier sealed packaging.
Specially used for packaging of tea, medicine, candy, etc.
According to specific functional requirements, it can be compounded with other plastic films for inner sealing layer.

Technical Information


Technical Information
Properties	Units	Method	Ref	Typical Values
Thickness	μm	GB/T6672-2001	-	20	25	30	40	50
Weight	g/m2		+/- 4%	18	22.5	27	36	45
Yield	m2/kg		-	55.6	44.4	37	27.8	22.2
Tensile strength	MPa	ASTM D882	MD	≥ 35
			TD	≥ 25
Elongation at break	%		MD	≥ 350
			TD	≥ 450
Thermal shrinkage	%	GB/T12027-2004 120°C/ 2 min	MD	≤ 1.0
			TD	≤ 1.5
Heat seal range	°C	QB/T2358-1998	-	115 - 145
Sealing strength	N/15mm at 120°C		-	≥ 7.0	≥ 9.0
Coefficient of Friction	-	ASTM D1894	I / I	≤ 0.8
			O / O	≤ 0.8
Wetting tension	mN/m	GB/T14216-2008	-	≥ 38
OTR	Cm3/m2·d·0.1Mpa	ASTM D3985	-	≤100
WVTR	g/m2.24h	ASTM F1249	-	≤1.0