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