Fluorine rubber FPM seals
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Fluorine rubber FPM seals

Fluorine rubber FPM seals extend sealing performance across a -60°C to 240°C temperature range, with corrosion resistance strong enough to satisfy C5-grade standards for the most demanding environments.

Product Parameters

- Material properties: formulated from fluorinated ethylene propylene (FPM), an elastomer prized for its exceptional temperature range and chemical resistance compared with more common sealing materials.
- Wide temperature range: rated for reliable performance from -60°C up to 240°C, covering both extremely cold environments and sustained high-temperature operating conditions.
- Superior corrosion resistance: offers corrosion resistance that exceeds standard sealing materials, meeting the demanding C5-grade standard for salt and alkali exposure.
- Sealing reliability: maintains a stable, effective seal against moisture, dust, and fluid ingress across its full rated temperature range without significant loss of elasticity.
- Chemical stability: resists degradation from a wide range of chemical exposures, supporting long-term sealing performance in aggressive industrial or coastal environments.
- Application context: used in transformer, switchgear, and electrical enclosure sealing applications that face extreme temperature swings combined with high corrosion-resistance requirements.

For sealing applications operating at the extremes of both temperature and corrosive exposure, this FPM seal's -60°C to 240°C range and C5-grade corrosion resistance provide a premium sealing solution suited to the most demanding electrical equipment environments, where standard sealing materials would fail prematurely.

Temperature and corrosion performance are verified during production testing to confirm each seal batch meets its demanding C5-grade specification across the full -60°C to 240°C rated range. Custom seal dimensions and profiles can be produced to match specific equipment joint designs, supporting the most demanding transformer and switchgear sealing requirements across extreme temperature and corrosive environments. Technical data sheets covering the full temperature range, C5-grade corrosion test results, and material certifications are available on request to support engineering evaluation before specification. Packaging is designed to protect seal geometry during shipping and storage, preserving dimensional accuracy through to final installation.

Who Are We?
Penglong

Jiangsu Penglong Electric Engineering Co., Ltd. is a specialized manufacturer integrating R&D, design, and production of power transmission components, high-current conductor systems, and industrial electrical connection products.

With extensive industry experience, the company specializes in high-current conductive connections, copper-aluminum transition solutions, transformer components, and industrial furnace conductor systems. Supported by a complete manufacturing system and modern equipment, Penglong offers customized and large-scale production.

Its products are widely used in transformers, industrial furnaces, electrolysis equipment, switchgear, and power distribution systems. Main products include busbars, conductive rods, copper-aluminum connectors, terminals, flexible connectors, water-cooled cables, and other custom conductive components.

Jiangsu Penglong Electrical Engineering Co., Ltd.
Latest News
Sep 18, 2026
Company News
Jiangsu Penglong Electric Engineering Co., Ltd.
Jiangsu Penglong Electric Engineering Co., Ltd. is a specialized manufacturer integrating R&D, design, and production of power transmission components, high-current conductor systems, and industrial electrical connection products. With extensive industry experience, the company specializes in high-current conductive connections, copper-aluminum transition solutions, transformer components, and industrial furnace conductor systems. Supported by a complete manufacturing system and modern equipment, Penglong offers customized and large-scale production. Its products are widely used in transformers, industrial furnaces, electrolysis equipment, switchgear, and power distribution systems. Main products include busbars, conductive rods, copper-aluminum connectors, terminals, flexible connectors, water-cooled cables, and other custom conductive components.
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Jiangsu Penglong Electric Engineering Co., Ltd.
Sep 18, 2026
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