Dual Wall Tubing / GBK
Adhesive lined Semi-rigid flame retardant tubing
Features
• 4:1 shrink ratio
• RoHS compliant
Features
• 4:1 shrink ratio
• RoHS compliant
Applications
Specially designed for environmental sealing, electrical insulation and protection of electrical splices, terminals and other components in areas where they will be exposed to moisture.
Specification/Approvals
600V
Operating Temp
-40℃ to 125℃
Typical technical performances
| Test Items | Test Method | Test Requirements |
| Tensile strength | ASTM D 2671 | 10.4MPa minimum |
| Ultimate elongation | ASTM D 2671 | 250% minimum |
| Secant modulus | ASTM D 2671 | 137MPa minimum |
| Heat shock at 225℃ for 4hrs | UL 224 | No dropping & cracking of out jacket |
| Flammability | ASTM D 2671 Proc B |
Self-extinguishing within 30 seconds (except for clear) |
| Volume resistance | ASTM D 2671 | 1012Ω.cm minimum |
| Heat aging | No cracking of jacket after 125℃ /3000hrs | |
| Cold bend at -40℃ for 4hrs | ASTM D 2671 | No cracking |
Dimensions
| Size(Inch) | As supplied(mm) | After recovered (mm) | ||
| D*(Min.) | d*(Max.) | w*(Min.) | A*(nom.) | |
| GBK-1 | 5.75 | 1.25 | 1.30 | 0.56 |
| GBK-2 | 7.5 | 1.65 | 1.50 | 0.76 |
| GBK-3 | 11 | 2.4 | 1.90 | 1.02 |
| GBK-4 | 18.3 | 4.35 | 2.40 | 1.37 |
D* = Inner diameter as supplied
d* = Inner diameter after fully recovered
w* = Total wall thickness after fully recovered
A* = Adhesive thickness after fully recovered
Ordering information
| Color | Standard | Black |
| Nonstandard | Clear | |
| Standard packaging | In 1.2-meter [4-foot] lengths or on spools. | |
| Ordering description | Specify product name, size and color (for example, GBK-1 Black) | |
* Other colors and cutting lengths are available on request.
