| Product Name | JXF5220 | JXF5220S | JXF5230 | JXF5290 | |
| Features | Economic materials | Excellent tensile strength | Lower stress relaxation | Wear-resistant material | |
| Reliable gas sealing performance | Suitable for strong oxidizing acid media | ||||
| Passed API 607 fire resistance test | |||||
| Material composition | NBR + synthetic fibers | NBR + aramid fibers | Flexible graphite + synthetic fibers | NBR + synthetic fiber | |
| Performance indicators | Compression rate % | 5~19 | 5~19 | 5~17 | 7~12 |
| Rebound rate % | ≥40 | ≥45 | ≥40 | ≥40 | |
| Leakage rate % | ≤1.0×10⁻³ | ≤1.0×10⁻³ | ≤1.0×10⁻³ | ≤1.0×10⁻³ | |
| MPa Tensile strength Mpa | ≥7 | ≥10 | ≥7 | ≥5 | |
| Oil resistance | ≤15 | ≤15 | ≤15 | ≤15 | |
| Oil resistance | ≤15 | ≤15 | ≤15 | ≤15 | |
| Application Range | Temperature ℃ | -40~260 | -40~280 | -50~300 | -196~260 |
| Pressure MPa | 4 | 6.4 | 4 | 4 | |
| Medium | Water, refrigerant, aliphatic hydrocarbons, gasoline, lubricating oil | ||||
| Size Specifications | Board width mm | 1500*1500 | 1500*1500 | 1500*1500 | 1500*1500 |
| Thickness mm | 1.5/2.0/3.0/4.0 | 1.5/2.0/3.0/4.0 | 1.5/2.0/3.0/4.0 | 0.5/0.8/1.0/1.5/3.0 | |
| Attention | For special specifications, please consult our technical center | ||||
| Note: If the medium is CO, O₂, H₂S, H₂O, NO, CH₄ etc., please contact us. | |||||
| Parameter description |
| Glass fiber bronze powder composite filled PTFE, gray‑green matte appearance |
| Standard 316L stainless steel; Hastelloy C276 is optional for highly corrosive working conditions. |
| ‑200℃ ~ 240℃ ‑200℃ ~ 240℃ |
| Strong corrosion resistance, high wear resistance, good thermal conductivity, resistant to high‑pressure extrusion, dimensionally stable |
| Food, pharmaceutical, drinking water, high‑purity clean media systems |
| Parameter description |
| Brand new food‑grade pure PTFE 316L stainless steel corrosion‑resistant spring |
| ‑200℃ to 260℃, can be repeatedly autoclaved |
| No leaching; non‑sticking material; acid and alkali resistant solvent; automatic spring wear compensation; no rubber aging or shedding. |
| Food contact safety standards, suitable for sterile and clean working conditions |
| Parameter description |
| UHMW‑PE Ultra‑High Molecular Weight Polyethylene |
| Standard 316L stainless steel, Hastelloy is optional for low‑temperature service. |
| ‑269℃ ~ 80℃, high‑temperature environments are strictly prohibited |
| abrasion‑resistant; no brittle fracture at ultra‑low temperatures; high toughness; low friction and no precipitation |
| High temperature > 80° C, strong concentrated acid, strong oxidizing agent medium |
| Parameter description |
| Carbon fiber filled PTFE 316L stainless steel energy storage spring, black appearance |
| ‑200℃ ~ 260℃ ‑200℃ ~ 260℃ |
| Ultra‑high wear resistance, creep resistance, good thermal conductivity, self‑lubricating, acid and alkali solvent resistance, automatic spring wear compensation |
| Not suitable for food, pharmaceutical, or drinking water clean applications; there is a risk of carbon powder precipitation. |
About Jiaxiang
Zhejiang Jiaxiang Fluoroplastics Co., Ltd. is a professional solution provider of fluoroplastics and high-performance engineering plastics. Our core products cover a full range of fluororesins and high-performance engineering plastics including PTFE, PFA, FEP, PEEK, PI, PVDF, as well as customized processed products, which are widely used in global high-end manufacturing fields such as semiconductor, hydrogen energy, aerospace, automotive, petrochemical, environmental protection, and medical.
News Center
+86-18906731093
No. 1, North of the Yumen South Railway Freight Special Line, East of Yuhua Road, Old Urban Area, Yumen City, Jiuquan City, Gansu Province, China.




