Metallyte™ UBWES - Oriented Polypropylene Film

FLEXIBLE PACKAGING PRODUCT DATA SHEET

Product Description

MetallyteTM UBWES is a multi-layer, cavitated, 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 metallized on one side with a proprietary sealant layer on the other. UBWES is lap sealable to other coextruded OPP films. 
UBWES is used as the inner web for adhesive and extrusion laminations, where superior moisture and oxygen barriers are required. UBWES provides an excellent light barrier and is designed to provide strong, leak-free seals for flat pouches and has been designed specifically to replace foil and a sealant web in those applications. 

Key Features

  • Exceptional seal strength
  • Outstanding opacity
  • Outstanding moisture and oxygen barrier
  • Excellent aroma and flavor barrier
  • Excellent flex-crack resistance
  • Excellent hot tack
  • Improved barrier to Mineral Oils compared to non-barrier film(1)
  • Significant mineral oils contamination protection period of more than 2 years
 

Properties & Typical Values

PropertiesUnit28UBWESTest Method
Yieldin²/lb34,000ITM 01
Unit Weightlb/ream12.8ITM 01
Film Thicknessmil1.1ITM 02
Optical Density3.0ITM 11
Dimensional Stability
135°C / 275°F, 7 min - MD|TD		%-5ITM 37
Minimum Sealing Temperature
(Min 750g/25mm) - 25N/cm2 - 0,5 sec - Flat/Flat		°F160ITM 26
Heat Seal Range (RDM)°F150ITM 26
Water Vapor Transmission Rate - 100°F, 90% RHg/100 in²/24 hr0.007ITM 46
Oxygen Transmission Rate - 73°F, 0% RHcm³/100 in²/24 hr0.007ITM 42
Typical values should not be construed as finished product specifications (FPS).

Market Segments

  • Biscuits/Cookie/Crackers
  • Dry Foods and Beverage Powders
  • Pet Food
  • Chips and Snacks

Applications

  • HFFS Flexible Packaging
  • Pre-made Bags - Flexible Packaging
  • VFFS Flexible Packaging
  • Pouches - Flexible Packaging
  • Flat Sachet

Processing Method

  • Inner Web Adhesive Lamination
  • Solvent Flexographic Printing
  • Solvent Rotogravure Printing
  • Inner Web Extrusion Lamination

Food Contact

Any further regulatory information on this product (i.e. Food Contact application, Presence/absence of substances, Reach, …) are accessible on the below link: http://www.jindalfilms.com/login-register-docmg/ 

Legal Statement

This product is not intended for or supported for use in pharmaceutical or medical applications requiring compliance with EU or US Pharmacopeia.

Processing Statement

  • In-line treatment and priming are recommended for printing on the metalized surface. 
  • In-line treatment of the metalized surface is suggested for laminating. 
  • UBWES has been designed for functional barrier properties and not for decorative purpose. 
  • Contact your Jindal Films Technical Service Representative for processing recommendations and guidelines.

Storage

You will find all information about storage conditions into the sign in area of our website: http://www.jindalfilms.com/login-register-docmg/ , under the section "Information on food safety and quality practices". The name of the document is "Storage recommendations". 

Footnotes

  • (1) Please contact your Sales Representative to get quantitative data on film barrier properties to Mineral Oils (MOSH and MOAH).
  • Please contact your Sales Representative for complete country availability.
Revision date : January 09, 2026

© 2026 Jindal Films. Information is provided without warranty, express or implied, and is believed to be reliable but not guaranteed; Typical values are not final product specifications.