SWKS Seal, with over 10 years experience, is one of the leading custom fkm ffkm square ring viton seals manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
![]() | Product Description |
| Product Name | Custom FKM FFKM Square Ring Viton Seals |
| Material | FKM/FFKM/VITON |
| Hardness/Durometer | As customers' request, drawings or samples. |
| Size | Custom Size according to customer drawing |
| Certification | ISO9001,TS16949,RoHS,FDA,USP Class VI |
![]() | Details Images |




![]() | Material Characteristics of FKM/FFKM/VITON |
Material Features:
Outstanding chemical resistance
Superior oil resistance
Outstanding solvent resistance
Excellent heat resistance
Excellent compression set
Exceptional mechanical strength
Excellent processability
End User Benefits:
Highly suitable for extremely harsh and aggressive chemical environments
Hot service temperature at 250°C, with peak exposure of 270°C
Can be compounded to be highly resistant to rapid gas decompression (e.g. NORSOK)
Typical Applications:
O-rings
Gaskets
Oilfield parts
Semiconductor parts
![]() | Company Profile |
We, Tianjin SWKS, main produce rubber products and seals. JIS Standard, ISO Standard or Non standard o ring seals, with different rubber materials.The wide application fields of our rubber products, including household, automotive, aerospace, machinery, petrochemical, medical, food, electronic, national defense, military industry equipment, etc.

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