CPP Metallised film

TYPICAL PHYSICAL VALUES

Properties	Units	Method	Ref		Typical Values
Thickness	μm	GB/T6672-2001		20	25	30	40	50
Weight	g/m2	+/- 4%	18.0	22.5	27.0	36.0	45.0
Yield	m2/kg		55.6	44.4	37.0	27.8	22.2
Tensile strength	MPa	ASTM D882	MDTD	≥ 35≥ 25
Elongation at break	%	MDTD	≥ 350≥ 450
Thermal shrinkage	%	GB/T12027-2004120°C/ 2 min	MDTD	≤ 1.0≤ 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 / IO / O	≤ 0.8≤ 0.8
Wetting tension	mN/m	GB/T14216-2008		≥ 38
OTR	cc/m2/day	ASTM D3985(23°C, 0% RH)		See below remark
WVTR	g/m2/day	ASTM F1249(38°C, 90% RH)		See below remark