ExxonMobil Metallyte™ 28UBW-ES OPP Film

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ExxonMobil Metallyte™ 28UBW-ES OPP Film (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polypropylene (PP); Polypropylene, Film Grade
Material Notes:	Product Description: A multi-layer, cavitaed, white OPP film with an enhanced sealant to allow sealing through contamination. This film has an exceptional barrier to gases, flavors, and moisture. It is metalized on one side with a proprietary sealant layer on the other. 28UBW-ES is lap sealable to other coextruded OPP films. Availability: Latin America, North America and South America Key Features: Very low MST, broad seal range Outstanding opacity Outstanding moisture and oxygen barrier Outstanding aroma and flavor barrier Excellent flex-Crack resistance Excellent hot tack Features: Flavor & Aroma Barrier Gas Barrier In Lamination Lap Sealable Light Barrier Moisture Barrier Oxygen Barrier Applications: Dry Foods and Beverage Powders Uses: HFFS Flexible Packaging Pouches – Flexible Packaging Pre-made Bags – Flexible Packaging VFFS Flexible Packaging Processing Method: Inner Web Adhesive Lamination, Inner Web Extrusion Lamination, Solvent Flexographic Priming, Solvent Rotogravure Printing, Surface Print Unsupported and Water-based Flexographic Printing Information provided by ExxonMobil
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Physical Properties	Original Value	Comments

Water Vapor Transmission	0.00650 g/100 in²/day @Temperature 38.0 °C	90% RH; ExxonMobil Method
Oxygen Transmission Rate	0.00600 cc/100 in²/day	ExxonMobil Method
Thickness	1.10 mil	ExxonMobil Method
Coating Weight	12.7 lb/ream	ExxonMobil Method

Mechanical Properties	Original Value	Comments
Film Tensile Strength at Break, MD	12000 psi	20 in/min, 2.0 in Jaw Separation; ExxonMobil Method
Film Tensile Strength at Break, TD	25000 psi	20 in/min, 2.0 in Jaw Separation; ExxonMobil Method

Thermal Properties	Original Value	Comments
Shrinkage, MD	5.0 % @Temperature 135 °C	ExxonMobil Method
Shrinkage, TD	3.0 % @Temperature 135 °C	ExxonMobil Method

Optical Properties	Original Value	Comments
Optical Density	3.0	ExxonMobil Method

Descriptive Properties
Crimp Seal MST	175°F	Untreated
Crimp Seal Strength	1500 g/in	Untreated, 260°F, 20 psi, 0.8 sec
	700 g/in	Untreated, 210°F, 20 psi, 0.8 sec
Yield	34000 in²/lb

**
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PEX99528 / 175764

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