BOPA Film Laminated with PE Film

Features
Excellent gas barrier properties
Good moisture barrier
Good oil resistance
Good cold and heat resistance
Good pressure resistance

Thickness: 35-80um
Length: 2000-5000m
Internal Core Diameter: 76mm
External Core Diameter: 200-450mm

Application

Suitable for packaging all kinds of liquid food and non-food, such as juice, milk, soy sauce, vinegar, oil, detergent and so on.


Technical Information
TEST ITEMS		UNIT	STANDARDS	TEST RESULT
Peeling force	MD	N	≥40	56
	TD	N	≥40	53
Elongation	MD	%	≥35	113
	TD	%	≥35	75
Right AngleTear Strength	MD	N	≥3.5	9.3
	TD	N	≥3.5	11
Interlayer peeling force	MD	N	≥2.5	cannot be peeled off
	TD	N	≥2.5	cannot be peeled off
Seal peeling force	MD	N	≥20	54.5
	TD	N	≥20	54.1
Oxygen transmission rate		cm3/ (m2 •24h•0.1MPa	≤50	43.9
water vapor transmission rate		g/ (m2•24h）	≤12	2.61
Heat resistance (80℃, 30s)		/	No significant deformation, delamination and seal cracking	Meet the requirements
Cold resistance (-18℃, 2h)		%	≥60	89
Oil resistance (cottonseed oil, 48h)	Tensile strength (MD)	%	≤30	12
	Tensile strength (TD)	%	≤30	10
	Elongation (MD)	%	≤30	9.4
	Elongation (TD)	%	≤30	14
Toluenediamine (4% acetic acid)		mg/L	≤0.004	Not detected (detection limit: 0.0005mg/L)
Evaporation residue	4% acetic acid (60℃, 2h)	mg/L	≤30	6.5
	n-Hexane (normal temperature, 2h)	mg/L	≤30	10.0
	65% ethanol (normal temperature, 2h)	mg/L	≤30	3.2
Potassium permanganate consumption (water, 60°C, 2h)		mg/L	≤10	0.93
Heavy metals (as Pb, 4% acetic acid, 60℃, 2h)		mg/L	≤1	<1