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PFC-3 High-Strength Fabric-Reinforced Phenolic Resin
| Scope of application | Operating temperature | Working pressure |
| HFA liquid | 0℃+60℃ | ≤400bar |
| Mineral oil | -30℃+100℃ | ≤400bar |
| Typical physical properties | ||
| Specific gravity | 1.2-1.4 | |
| Tensile strength | 40MN/m2 (Temp 23℃） | |
| Dynamic coefficient of friction | Dry lubrication | 0.20-0.40 |
| （Steel surface，0.2μmRa/μminCLA） | Oil lubrication | 0.08-0.12 |
| Surface roughness | μmRa | μmRt |
| Static sealing surface Φd1 | 0.4 | 4 max |
| Static sealing surface ΦD1 | 3.2 max | 16 max |
| Guide ring tolerance | L1 | S |
| -0.1~-0.6 | -0.02~-0.1 |
| Guide ring installation gap-W | Φd1/ΦD1 | W |
| ≤50 | 3.00-1.50 | |
| ≤120 | 5.00-3.50 | |
| ≤550 | 7.00-5.50 |
| Groove details & tolerances | |||
| Rod | Φd1 | f9 | |
| ΦD2=Φd1+2S | ≤Φ80 | H10 | |
| >Φ80 | H9 | ||
| ΦD3=Φd1+G | G | min/max | |
| L1 | +0.2-0 | mm | |
| Piston | ΦD1 | H11 | |
| Φd2=ΦD1-2S | f9 | ||
| H9 | |||
| Φd3=ΦD1-G | G | min/max | |
| L1 | +0.2-0 | mm | |
Design Introduction
Kintowe PFC-3 is a high-strength composite material that uses thermosetting phenolic resin as the substrate and high-quality high-strength polyester fiber fabric as the reinforcing material. It is synthesized by advanced technology at a certain temperature and pressure. It can be used for high-pressure cylinder guide support rings with strong vibration in working conditions (such as excavators, piling machines, coal mining machinery, etc.).
After the material is filled with a certain amount of solid lubricating material, it can also be used for various types of bushings, bearings, thrust plates and other mechanical parts.
Advantages
● Low friction
● Low wear and good wear resistance
● High load-bearing
● Good dimensional stability, flexibility and impact resistance
● Simple and easy to install
