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PP telescope pipe
1. Constitute: Corrugated vacuum hose is extruded by hard bones and muscles frame and environmental protection material (polyether ester) hard bar.
2. Key size:
Telescopic part of the external wave 2 ~ 4 mm, pitch of wave from 3 to 6 mm; Internal wave 0.5 ~ 1 mm.
Recommended length is 400 mm, 500 mm, 600 mm, 800 mm, 1000 mm, 1200 mm, 1400 mm, 1600 mm , 1800 mm, 2000 mm and 2200 mm, the length tolerance is L+50 0.
3. Characteristics: Corrugated vacuum hose extrusion skeleton is uniform and good toughness, the surface outside pipe is bright, clean and level off, without a scratch, crack, bubble, uneven, Ge nest, lack of glue, delaminating, double skin, NingJin, efflorescence, lack of material defects etc. affect the appearance and use of performance.
4. Applications: Widely applied in cable casing,construction drainage,agricultual drainage,irrigation,chemical industry,medicine and ventilation ducts etc.
5. Mark: OEM products are welcome.
| key word | PP telescope pipe |
| Material | high quality import PP/PVC/PE |
| Size | Custom Design will be acceptable, wide size range can be accept |
| Color | blue,grey or customized |
Adhesive strength, kN/m |
≥1.5 |
| Brittle temperature(-50°C×4h) | No craking |
| Ozone resistance,(50±5)mPa,(70±2)h×(40±2)°C | No cracks and visible change |
| Air aging(110°C×72h) | No cracks and visible change, hot air aging test after bending, radius should be less than 80 mm. |
| Out-of roundness | The roundness of the telescopic pipe is not greater than 5%, when the test after the bend radius (or repeated bending after 5 times) out of roundness is not greater than 10%. |
| Toroidal pressure resistant | When the pipe deformation 2mm in diameter, pressure should not be less than 120N. |
| Bending radius | Should be less than 60 mm (bending center to the expansion pipe); bending radius should be less than 80 mm after the hot air aging. |
| Fire resistance | Meet the GB 8410-2006 <the combustion characteristic of auto interior materials> A - 0 mm/min requirement. |
Our factory is a professional plastic, rubber, silicone extrusion manufacturer, we can do various customized profile, tube, seal strip, auto seals and other extrusion product.
HEBEI RUIDE GROUP SANXING RUBBER & PLASTIC CO., LTD
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