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Fiback Fiberglass Weld Backing Tape is an innovative substitute for traditional back purging methods that provides protection to the backside of the weld environment and ensures a high quality finish. Fiback is flexible, heat resistant, and halogen and fluorocarbon-free, enabling it to be a complete solution for plate, sheet and pipe welding needs.
This welding tape is composed of two adhesive areas around the outside edges with a center fiberglass strip, heat resistant up to 1,022°F (550°C) and withstanding applications up to 600 amps.Fiback reduces set-up, clean up and weld time; eliminates post-weld grinding and back gouging and increases work efficiency while minimizing costs.
Fiback 200 AMP
Fiback 600 AMP
The Fiback adhesive has a heat resistance of 500°F (260°C). The fiberglass strip has up to 1,022° F (550°C) heat resistance
Align
Align desired base metals with the required root gap. Center the fiberglass strip over the backside of the root gap.
Position
Position the fiberglass strip in a convex shape away from the backside of the weld area to contain the purge gas from the torch tip but avoid consuming the material.
Press
Press the adhesive sections of tape along the sides of the root gap to the base metal, continuing to center the fiberglass strip. Remember to peel the release liner from the aluminum tape while progressing along the weld joint. This procedure ensures the adhesive on the aluminum tape is free from debris and foreign matter.
After Fiback has been applied to the entire length of the metals being joined, press outer adhesive edges again to create an air tight seal between the tape and the base metal.
Weld
Begin welding the desired seam.
| Item No | Description | Width | Fiberglass Center Strip Width | Length |
|---|---|---|---|---|
| AFBT-2.5-200 | Fiback Weld Backing Tape 200 AMP | 2.5″ (64 mm) | 1.125″ (28.5 mm) | 82′ (25 m) |
| AFBT-4.0-200 | Fiback Weld Backing Tape 200 AMP | 4.0″ (102 mm) | 1.5″ (38 mm) | 82′ (25 m) |
| AFBT-2.5 | Fiback Weld Backing Tape 600 AMP | 2.5″ (64 mm) | 1.125″ (28.5 mm) | 41′ (12.5 m) |
| AFBT-4.0 | Fiback Weld Backing Tape 600 AMP | 4.0″ (102 mm) | 1.5″ (38 mm) | 41′ (12.5 m) |
Heat Resistance
| Adhesive | 500°F | 260°C |
|---|---|---|
| Aluminum Foil | 1100°F | 593°C |
| Fiberglass Strip | 1022°F | 550°C |
| SL NO | Feature Key | Feature Value |
|---|---|---|
| 1 |
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Kaedyn Fraser
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