
The environmentally friendly fireproof PP corrugated pipe is carefully processed from environmentally friendly modified PP. This product is environmentally friendly and reliable, has perfect flame retardant effect, high mechanical strength, good flexibility, good bending property, resistance to torsion, friction, acid, alkali, inorganic salts, lubricating oil, etc. It is an ideal product for protecting line insulation, water supply and gas supply.
The environmentally friendly fireproof PP corrugated pipe is carefully processed from environmentally friendly modified PP. This product is environmentally friendly and reliable, has perfect flame retardant effect, high mechanical strength, good flexibility, good bending property, resistance to torsion, friction, acid, alkali, inorganic salts, lubricating oil, etc. It is an ideal product for protecting line insulation, water supply and gas supply.
The products are widely used in automotive wiring harness, machine tool, mechanical engineering, shipbuilding, communication line, energy, electronic appliances, railway transit and industrial automation and so on.
| serial number | Project | Indicators and requirements | Standard |
| 1 | Appearance | intact corrugation | visual inspection |
| 2 | Tensile Strength(MPa) | ≥30 | ASTM D 2671 |
| 3 | Elongation at break (%) | ≥150 | ASTM D 2671 |
| 4 | low temperature | After -40℃*4H impact test, no cracks or brittle cracks | Steel ball weight: 300g, height: 100mm |
| 5 | low temperature | After -40℃*4H, no cracks or brittle cracks in bending test | Winding on a round rod in one week 5 minutes test |
| 6 | high temperature | Deformation rate ≤10% | Thermal deformation temperature*24h |
| 7 | heat resistance | Not crispy, not powdery | Thermal deformation temperature*240h |
| 8 | aging properties | Not crispy, not powdery | Operating temperature * 3000h |
| 9 | fire resistance | Vertical combustion-V0, horizontal combustion-HB | GB/T 2408-2008 |
| 10 | burning rate | ≤100mm/min | GB 8410-2006 |
|
11 |
chemical resistance |
Anomalies in appearance are not allowed, cracks during bending are not allowed | In a solution containing 10% hydrochloric acid
or in a solution containing 10% alkali Bubble invasion (1h) |
|
12 |
oil resistance |
No deviations in appearance are allowed, no cracks when bending | Gasoline, diesel fuel, motor oil, hydraulic steering, gear oil, coolant
Soaking for 20 hours |
| 13 | copper corrosion | non-corrosive | UL 224 |
| 14 | Water absorption (%) | ≤0.1 | ASTM D 570 |
Note: PP corrugated pipe has three temperature grades 105℃, 125℃ and 135℃, please choose according to your requirement.
Thermal resistance class comparison table * Operating temperature * Thermal deformation temperature * Thermal aging temperature * Thermal aging temperature and test time:
| Temperature resistance class | A | B | C |
| Operating Temperature (℃) | -40~105 | -40~125 | -40~135 |
| Thermal deformation temperature (℃) | 120±3 | 140±3 | 150±3 |
| Thermal deformation test time | 24 hours | 24 hours | 24 hours |
| Thermal Aging Temperature (℃) | 105±3 | 125±3 | 135±3 |
| Thermal aging test time | 3000h | 3000h | 3000h |
| Thermal Aging Temperature (℃) | 125±3 | 150±3 | 150±3 |
| Thermal aging test time | 240h | 240h | 500h |
| environmental substances | Contents (PPM) | Detection method |
| Cadmium (Cd) | ≤100 | IEC 62321-5:2013 |
| Lead (Pb) | ≤1000 | IEC 62321-5:2013 |
| Mercury (Hg) | ≤1000 | IEC 62321-4:2013 + AMD1:2017 CSV |
| hexavalent chromium (Cr6+) | ≤1000 | IEC 62321-7-2:2017 and/or IEC 62321-5:2013 |
| PBB | ≤1000 | IEC 62321-6:2015 |
| PBDE | ≤1000 | IEC 62321-6:2015 |
| DBP | ≤1000 | IEC 62321-8:2017 |
| BBP | ≤1000 | IEC 62321-8:2017 |
| DEHP | ≤1000 | IEC 62321-8:2017 |
| DIBP | ≤1000 | IEC 62321-8:2017 |
See RoHS Test Report for details
| Spec | Inside
diameter d (mm) |
outside
diameter D (mm) |
Walls
heavy H (mm) |
wool
space space A (mm) |
Pulse
width a (mm) |
Packaging
Spec (M/roll) |
| Φ4.5*7 | 4.7±0.3 | 7.0±0.3 | 0.27±0.05 | (2.1) | (1.45) | 400 |
| Φ5.2*7.2 | 5.2±0.3 | 7.4±0.3 | 0.27±0.05 | (2.1) | (1.45) | 400 |
| Φ5.5*8 | 5.5±0.3 | 8.0±0.3 | 0.27±0.05 | (2.1) | (1.45) | 400 |
| Φ6*9 | 6.0±0.3 | 9.0±0.3 | 0.27±0.05 | (2.5) | (1.75) | 400 |
| Φ7*10 | 7.0±0.3 | 10.0±0.3 | 0.27±0.05 | (2.7) | (1.95) | 200 |
| Φ7.5*10.5 | 7.7±0.3 | 10.7±0.3 | 0.27±0.05 | (2.7) | (1.8) | 200 |
| Φ8.5*11.5 | 8.5±0.3 | 11.7±0.3 | 0.30±0.06 | (2.7) | (1.95) | 200 |
| Φ9*12 | 9.2±0.3 | 12.0±0.3 | 0.30±0.06 | (2.7) | (1.95) | 200 |
| Φ10*13 | 10.2±0.3 | 13.0±0.3 | 0.30±0.06 | (2.7) | (1.95) | 200 |
| Φ11*14 | 11.2±0.3 | 14.0±0.3 | 0.30±0.06 | (2.7) | (1.95) | 200 |
| Φ12*15.8 | 12.0±0.3 | 15.8±0.3 | 0.30±0.06 | (3.2) | (2.3) | 200 |
| Φ12.9*16 | 12.9±0.3 | 16.0±0.3 | 0.30±0.06 | (3.2) | (2.15) | 200 |
| Φ13*17 | 13.2±0.3 | 17.0±0.3 | 0.35±0.08 | (3.2) | (2.3) | 200 |
| Φ14.3*18.5 | 14.5±0.4 | 18.5±0.4 | 0.35±0.08 | (3.2) | (2.3) | 200 |
| Φ15.1*19.7 | 15.1±0.4 | 19.7±0.4 | 0.35±0.08 | (3.2) | (2.3) | 200 |
| Φ15.2*18.7 | 15.3±0.4 | 18.8±0.4 | 0.35±0.08 | (3.2) | (2.25) | 200 |
| Φ16*20 | 16.0±0.4 | 20.0±0.4 | 0.35±0.08 | (3.2) | (2.3) | 200 |
| Φ17*21.2 | 17.0±0.5 | 21.2±0.5 | 0.35±0.08 | (3.6) | (2.45) | 200 |
| Φ18*22 | 18.1±0.5 | 21.8±0.5 | 0.40±0.08 | (3.2) | (2.15) | 200 |
| Φ19*23.5 | 19.0±0.5 | 23.5±0.5 | 0.40±0.08 | (3.2) | (2.3) | 200 |
| Φ19.5*24.3 | 19.5±0.5 | 24.3±0.5 | 0.40±0.08 | (3.2) | (2.3) | 200 |
| Φ20*25 | 20.5±0.5 | 25.0±0.5 | 0.40±0.08 | (3.1) | (2.35) | 100 |
| Φ21*25.5 | 21.5±0.5 | 25.5±0.5 | 0.40±0.08 | (3.3) | (2.3) | 100 |
| Φ22*26.8 | 22.0±0.5 | 26.8±0.5 | 0.40±0.08 | (3.1) | (2.3) | 100 |
| Φ23*28.5 | 23.2±0.5 | 28.5±0.5 | 0.40±0.08 | (3.2) | (2.3) | 100 |
| Φ25*32 | 25.5±0.5 | 32.0±0.5 | 0.40±0.08 | (4.5) | (2.75) | 50 |
| Φ26*31 | 26.0±0.5 | 31.0±0.5 | 0.45±0.10 | (3.1) | (2.3) | 50 |
| Φ29*34.5 | 29.0±0.6 | 34.5±0.6 | 0.45±0.10 | (3.5) | (2.35) | 50 |
| Φ32*36.8 | 32.0±0.6 | 37.0±0.6 | 0.45±0.10 | (3.3) | (2.35) | 50 |
| Φ36*42.5 | 36.0±0.6 | 42.5±0.6 | 0.50±0.12 | (4.15) | (3.0) | 50 |
| Φ40*45 | 39.8±0.6 | 44.5±0.6 | 0.50±0.12 | (4.15) | (2.85) | 50 |
| Φ48*54.5 | 48.0±0.8 | 54.5±0.8 | 0.50±0.12 | (4.3) | (3.0) | 25 |
| Φ56*67.2 | 56.0±1.0 | 67.0±1.0 | 0.60±0.15 | (6.7) | (4.0) | 20 |
| Φ66*80 | 66.5±1.0 | 80.0±1.0 | 0.65±0.15 | (8.5) | (5.0) | 15 |
| Φ91*106 | 91.0±1.0 | 106.0±1.0 | 0.70±0.20 | (8.5) | (5.2) | 10 |
| Note: A-wave spacing and A-wave width are reference values. | ||||||
Цвет: черный, оранжей (обычный), красный, синий, желтый, серый и т. D. Other colors can be adjusted or cut as needed.