NO.	Item			Unit	Index		Remarks
Size deviation
1	Width deviation	50~150		mm	±0.5		-
		151~400			±1.0		-
		401~1200			±1.5		-
2	Maximum thickness deviation	12~19μm		%	±5.0		-
		20~29μm			±4.0		-
		30~50μm			±3.0		-
Physical and mechanical properties
					Ordinary heat sealable film	Shrinkage heat sealable film	-
1	Tensile strength		Vertical	MPa	≥125	≥130	-
			Horizontal		≥220	≥240	-
2	Elongation at break		Vertical	%	≤200	≤200	-
			Horizontal		≤80	≤70	-
3	Hot-shrinkage rate		vertical	%	≤5.0	>5	-
			horizontal		≤4.0	>4	-
4	Young modulus		Vertical	MPa	1800	>2000	5mm/min
5	Haze			%	≤3.5	≤2.5	-
6	Coefficient			-	≤0.5	≤0.4	Single side
7	Ultimate strength			N/15mm	≥2.0	≥2.0	(135±5)ºC·0.18MPa·1s
8	Luster(45º)%			-	≥80	≥85	-
9	Wetting tension			mN/m	-	-	Conform with contract
10	WVT			g/(m²·24h·0.1mm)	≤2.0	≤2.0	-

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Cigarette Tobacco Package Shrinkage 5% BOPP Film with Custom Size