Ningbo XiaYi Electromechanical Technology Co.,Ltd.
OEM XIAYI Parts! Good quality! Good service!
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25mm PTFE banded shock piston with HRB70 - 90, density > 6.5g/cm3 with ID 7.1mm
Piston export to Europe market with good quality
pistons are produced by automatic banding machine
100% tested by air gauge
with consistent size and coaxiality
Groovefill requirement for banded piston
The minimum groovefill requirement is valid for the average measurement / groove on both sides
of the piston (0° and 180° on the circumference of the piston)
| BORE SIZE | GROOVE FILL |
| 27 MM | MIN 0,24 MM |
| 30 MM | MIN 0,24 MM |
| 32 MM | MIN 0,30 MM |
| 35 MM | MIN 0,34 MM |
Specifications:
| Physical performance for shock piston | tensile strength | More than 15MPa |
| elongation @ break | More than 200% | |
| shore hardness (bands) | 57 - 61 | |
| density | 2.15 – 2.19 g/cm3 | |
| wear | Less than 50mg | |
| friction coefficient | Less than 0.3 | |
| hardness (sinter piston) | HRB65-85 | |
| Different fillers | carbon fiber | |
| glass fiber | ||
| graphite | ||
| Molybdenum disulfide | ||
| carbon | ||
Description:
New design new technology ptfe + Carbon Fiber Shock Absorber Piston with durability test
1. Size D25* D8 * 11
2. PTFE+CARBON FIBER
3. Band PTFE disc
4. 2017 new design
5. Density of sinter piston: 6.8g/cm3
6. Material: C=0.3-0.6%, Cu=3-5% balance: Fe
7. Hardness for sinter piston is HRB65-85
Materials of PTFE disc:
1. PTFE+BRONZE
2. PTFE+CARBON FIBER
3. PTFE+GLASS FIBER
4. OTHER FILLERS or other material according to customer’s demand
Applications:
In car or motorbike front or rear shock absorbers
Competitive Advantage:
1. Consistency in size.
2. Infrared ray detect the out diameter in automatic banding machines
3. Produce PTFE disc by Xia Yi, can control the quality itself.
Picture show:
