Safe-Gard Type B SG-634/W-77 - Selig - #1

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Safe-Gard Type BTM SG-634/W-77 Product Description SG-634/W-77 is a two-piece induction innerseal that provides a peelable seal to polyethylene, polypropylene, PVC, polystyrene, and ABS containers. It is designed for use in plastic caps in conjunction with induction sealing equipment. After induction sealing, the W-77 closure liner remains in the cap as a high quality, chemically resistant reseal liner. Typical Applications Typical applications include innerseals for milk, water, juices, glass cleaners, pharmaceuticals, etc. where a peelable seal is desired. Resistance to specific packaged product should be determined by compatibility testing. This heat sealable surface is generally resistant to weak acids and bases. Swelling or solubilization of the coating may occur in the presence of some organic solvents. Seal Composition Nominal Thickness Metric Standard Pulpboard As specified Bleached Kraft Paper 0.084 mm 0.0033" PVDC 0.003 mm 0.0001" Polyester Film 0.013 mm 0.0005" Wax (temporary adhesive) 0.013 mm 0.0005" Bleached Kraft Paper 0.076 mm 0.003" Aluminum Foil 0.038 mm 0.0015" Polyester Film 0.013 mm 0.0005" Sealable Layer 0.038 mm 0.0015" Available Backings : pulp, Composition Special Notation: SG-634/W-77 innerseal is available printed with a generic or custom message Typical Physical Properties: MVTR <0.01 g/100 in²/24 h ASTM F-1249-89 Oxygen Permeability <0.01cc/100 in²/24 h ASTM D-3985 Color of facing – aluminum Regulatory Status: All components of SG-634/W-77 innerseal are regulated by the Food and Drug Administration as indirect food additives under appropriate paragraphs of the Code of Federal Regualtions, Title 21. Access to the Drug Master Files and a letter outlining specific FDA regulatory status SG-634/W-77 file:///C|/Documents and Settings/Admin/My Documents/JAMES/UNIPAC/Unipac_May_2005/English67.html (1 of 2) [5/8/2005 11:44:07 AM]