Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of engine oil filter seals in China, also supports customized service. Please feel free to buy high quality engine oil filter seals for sale here from our factory.
Products Description
Engine oil filter seals are an important part of the oil filter. They are installed between the filter element and the filter housing to prevent the oil from flowing out of the filter through a tight fit.

Advantages
Sealing function: The main function of the oil filter seal is to prevent oil from leaking from the connection between the filter and the engine.
Maintaining oil pressure: By sealing, it ensures that the oil maintains proper pressure inside the engine, thereby providing sufficient lubrication for various parts of the engine.
Preventing impurities from entering: The sealing ring can also prevent external impurities from entering the oil system, thereby protecting the engine from contamination.
Structure and Material
- Material: Oil filter seals are usually made of oil-resistant and high-temperature-resistant materials such as nitrile rubber (NBR) and fluoro rubber (FKM). These materials can remain stable in extreme temperatures and chemical environments.
- Design: The seal is usually designed as an O-ring or flat seal and is installed on the base or housing of the oil filter.
| FKM 90 | Property | Unit | Test Method | Test Parameter | Value |
| Hardness | Shore A | ASTM D 2240 | 90 ±5 | ||
| Specific Gravity | g/cm3 | ASTM D 1817 | 1.83 | ||
| Tensile Strength | MPa | ASTM D 412 | 16 | ||
| Tear Resistance | N/mm | ASTM D 624 B | 37 | ||
| Modulus at 50% | MPa | DIN 53504 S | 13.4 | ||
| Modulus at 100% | MPa | DIN 53504 S | 16 | ||
| Ultimate Elongation | % | ASTM D 412 | 110 | ||
| Compression Set | % | ASTM D 395 B/1 | 22h / 200°C | 11 | |
| Compression Set | % | ASTM D 395 B/1 | 70h / 200°C | 15 | |
| Low temp. resistance | °C | ASTM D 2137 A | brittleness no cracks after 3 min. at |
-20 | |
| Low temp. resistance | °C | ASTM D 1329 | TR10 | -17 |
Installation and maintenance
Installation Precautions: When installing the oil filter, a layer of oil is usually applied to the seal ring to reduce friction and prevent the seal ring from being damaged during tightening.
Replacement Suggestions: The seal ring is a consumable part. It is recommended to replace it when replacing the oil filter to avoid oil leakage due to aging or damage to the sealing ring.
about Us
Linde Polymer Tec Co., Ltd. mainly produces a variety of rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 product specifications. Products are suitable for automotive, aviation, machinery, petrochemical, medical, food, electronics, military, industrial, and other fields. Since the establishment of the factory, the company has completed the process consistency operation, and the product yield rate has reached 97.1%.

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R&D Advantages
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Manufacturing Advantages
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Product Advantages
Certification
Quality Management and Environmental Management Certification



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