Polyken 781 High Temperature Splicing Tape is a premium polyester splicing tape engineered with pure silicone adhesive to deliver reliable bonding on silicone-coated materials while performing in extreme heat environments up to 400°F.

Polyken 781 High Temperature Splicing Tape is designed for demanding industrial splicing applications where standard adhesives fail. Built with a tough polyester PET backing and a pure silicone adhesive system, it delivers dependable bonding on low-surface-energy substrates such as silicone-coated papers, films, and release liners. Engineered to maintain performance under extreme heat, this tape supports high-volume manufacturing, coating, and converting operations. Its self-wound construction eliminates release liners to reduce waste, improve efficiency, and speed up application during continuous production runs.

Pure silicone adhesive bonds effectively to silicone-coated and other low-energy materials
High temperature resistance up to 400°F for extreme processing environments
Durable 2.8 mil polyester backing provides excellent tensile and shear strength
Self-wound construction eliminates release liners for reduced waste and faster application
Available in red and blue for high-visibility splice identification during production

Backing Material: Polyester PET
Adhesive Type: Silicone
Total Thickness: 2.8 mil
Tensile Strength: 25 lb per inch
Adhesion: 35 oz per inch
Maximum Operating Temperature: 400°F
Roll Length: 72 yards
Colors Available: Red, Blue
Country of Origin: United States

Polyken 781 is commonly used for splicing silicone-coated papers, films, and release liners, as well as in pressure-sensitive tape manufacturing, paper coating and converting, aerospace applications, and other high-temperature industrial bonding processes. For best results, apply to clean, dry surfaces and store in a cool, dry environment to preserve adhesive performance.

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Engineered for extreme heat and difficult substrates, Polyken 781 delivers dependable splicing performance when production reliability cannot be compromised.