Printashrink CPF/FR4
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Printashrink CPF/FR4 is a 4:1 shrink ratio heatshrink polyolefin with a working temperature of 135ยฐC. It is a fire retardant sleeve perfect for difficult or irregular shapes where an unusually high shrink ratio is required. Supplied in black as standard, diameters up to 115mm ID are available and can be cut and printed as required.
This 4:1 heatshrink polyolefin tube is designed for commercial or industrial applications where an extremely high ratio is needed to cover irregularly shaped pieces or pass over large components before shrinking. It has excellent electrical, chemical and physical properties and we offer a range of printing and cutting services on this high quality, commercial sleeve making it equally suitable for identification, branding and marking requirements.
Technical Data
- Shrink Ratio: 4:1
- Shrink Temperature: 100ยฐC
- Operating Temperature: -55ยฐC - +135ยฐC
- Flame Retardant: Yes
- Colours:
- Black
- Sizes: 19 - 115
- Packing: 1.2 metre lengths, cut to length, cut sleeves
- Print: Yes, full range of text and logos in all colours
- Approvals: RoHS compliant
- Applications / Industries:
| Properties | Typical Values | Test Methods |
|---|---|---|
| General | ||
| Operating Temperature | -55ยฐC - +135ยฐC | |
| Shrink temperature | -55ยฐC - +135ยฐC | |
| Shrink Ratio | 4:1 | |
| Physical | ||
| Tensile Strength | 14Mpa | ISO 37 |
| Ultimate elongation | 800% min | ISO 37 |
| Specific gravity | 1.35 max | ISO 1183 |
| Water absorption | 0.5% max | |
| Thermal | ||
| Flammability | Pass | ASTM D876 |
| Heat shock (4hrs) | No dripping, cracking or flowing | ASTM D2671 |
| Low temperature flexibility (4hrs @ -55ยฐC) | No cracking | ASTM D2671 |
| Heat ageing (168hrs) | @ 175ยฐC elongation 350% max | ISO 188 & 37 |
| Electrical | ||
| Dielectric strength | 22KV/mm min | IEC 243 |
| Chemical | ||
| Copper corrosion | No corrosion | ASTM D2761 |
| Fluid resistance | Gasoline, hydraulic fluid, lubricating oil, tensile 5MPa max, elongation 200% max | ISO 1817 & 37 |
| Fungus resistance | Tensile 10MPa max, elongation 250% max | ISO 846 & 37 |
Free Artwork service
As part of the fully comprehensive print process, we offer a free artwork service.
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Cable Identification Service
We offer a complete service based on our many years of experience and development in this highly specialised field.
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