Polyolefin Shrink Film Technical Data

Shrink Wrapping Supplies posted this on 8 Aug 2016

ML (Multi Layer) Polyolefin Shrink Film Technical Data

	UNIT	ASTM TEST	TYPICAL VALUES
GAUGE			12mu	15mu	19mu	25mu	30mu
Tensile Properties
Tensile Strength (MD)	N/mm2	D882	115	110	110	95	85
Tensile Strength (TD)	N/mm2		110	105	105	90	80
Elongation(MD)	%		115	120	125	130	130
Elongation(TD)	%		110	115	115	125	125
Tear Resistance
MD at 400gm	gf	D1922	10.5	14.5	17.5	23.5	28.5
TD at 400gm	gf	D1922	10.0	13.5	16.0	23.0	27.0
Seal Strength
MD/Hot wire seal	N/mm2	F88	0.65	0.81	1.03	1.25	1.55
TD/Hot wire seal	N/mm2	F88	0.68	0.86	1.06	1.30	1.65
COF(Film to Film)
Static		D1894	0.25	0.22	0.22	0.25	0.25
Dynamic		D1894	0.24	0.20	0.24	0.26	0.25
OPTICS
Haze		D1003	2.2	2.5	3.2	3.9	4.5
Clarity		D1746	98.5	98.0	97.0	96.0	92.0
Gloss		D2457	85.5	87.0	83.5	81.5	80.0
BARRIER
Oxygen Transmission Rate	cc/m2/day	D3985	11800	10800	7200	5400	4500
Water Vapor Transmission Rate	cm/m2/day	F1249	45.5	38.5	26.5	22.5	20.5
SHRINKAGE PROPERTIES		UNIT	ASTM TEST	MD	TD	MD	TD
Free Shrinkage	110*C	%	D2732	22	31	20	28
	110*C			38	45	34	45
	120*C			58	63	57	60
	130*C			65	67	64	65
SHRINK TENSION				MD	TD	MD	TD
Shrink Tension	100*C	Mpa	D2838	22	31	20	28
	110*C			38	45	34	45
	120*C			58	63	57	60
	130*C			65	67	64	65

MD\Machine Direction TD\Transverse Direction
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