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Professional O-Ring and Oil Seal Manufacturer, Sealing Solution Supplier Since 2008.

FKM UL94 Fire-Resistant Industrial O-Ring 1
FKM UL94 Fire-Resistant Industrial O-Ring 2
FKM UL94 Fire-Resistant Industrial O-Ring 3
FKM UL94 Fire-Resistant Industrial O-Ring 4
FKM UL94 Fire-Resistant Industrial O-Ring 5
FKM UL94 Fire-Resistant Industrial O-Ring 6
FKM UL94 Fire-Resistant Industrial O-Ring 1
FKM UL94 Fire-Resistant Industrial O-Ring 2
FKM UL94 Fire-Resistant Industrial O-Ring 3
FKM UL94 Fire-Resistant Industrial O-Ring 4
FKM UL94 Fire-Resistant Industrial O-Ring 5
FKM UL94 Fire-Resistant Industrial O-Ring 6

FKM UL94 Fire-Resistant Industrial O-Ring

High-Temp Resistant Flame-Retardant Fluororubber Seal
This high-performance FKM flame retardant O-ring is specially developed for industries with strict fire safety regulations. It retains the inherent oil resistance, high temperature resistance and corrosion resistance of fluororubber, while adding reliable UL94 flame retardant and anti-ignition properties. It adapts to long-term heat exposure and various oily media, suitable for most static and dynamic sealing scenarios. With environmental certification and flexible customization service, it is a reliable safety sealing option for harsh and hazardous working conditions.
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    1. Product Advantages

    Outstanding UL94 flame retardant performance brings stable self-extinguishing effect, effectively lowering fire hazards in flammable working environments. It delivers remarkable high temperature aging resistance and great tolerance to lubricants, hydraulic oils and common chemical media. Precision integral molding ensures low compression set and excellent resilience, maintaining lasting tight sealing and lowering daily maintenance and replacement costs.

    2. Installation Recommendation

    FKM UL94 Fire-Resistant Industrial O-Ring 7

    3. Working Principle

    This flame retardant O-ring forms a reliable closed seal through elastic deformation under assembly compression, fully filling the gaps between mating parts. During operation, fluid pressure further presses the O-ring against the sealing surface to enhance leakproof performance. The special flame retardant components can isolate heat and quickly cut off flame combustion, while premium FKM material resists thermal aging and chemical erosion, ensuring continuous safe and stable sealing in complex high-risk environments.

    4. Product Details

    Material adopts high-performance FKM fluororubber with UL94 flame retardant compound, Shore hardness 90±5 A and fully compliant with RoHS and REACH regulations. All standard sizes comply with ISO 3601-1, and non-standard custom dimensions are available on request. Every batch completes professional flame retardant and physical property testing. Products are packed with moisture-proof packaging and outer cartons with a 24-month shelf life.

    5. Application Range

    Widely applied in electronic and electrical equipment, new energy facilities, high-temperature pipeline systems, power machinery, chemical installations and industrial automation devices. It is perfectly suited for confined spaces and flammable medium occasions requiring flame retardant, high temperature resistant and safety sealing.

    6. FAQ

    Q1: What flame retardant standard does this O-ring satisfy?
    A1: It adopts optimized UL94 flame retardant formula to meet mainstream industrial self-extinguishing and fire safety standards.
    Q2: Can it work continuously under high temperature?
    A2: Yes, it maintains stable mechanical properties and sealing ability during long-term high-temperature operation.
    Q3: Is custom production available?
    A3: We provide customized sizes, special hardness and enhanced flame retardant formulas to match your actual working conditions.

    7. Forever Seals’ Selling Points

    As a professional seal manufacturer with 17 years of industry experience, Forever Seals owns independent R&D capabilities and standardized production management. We implement strict multi-level quality inspection from raw material screening to finished goods delivery to control stable product quality. We support fast customized orders and large-volume mass production, with adequate inventory to ensure efficient delivery. Our professional technical team offers one-stop sealing selection guidance, program optimization and complete after-sales support, solving diverse complex sealing needs for global customers.

    Get In Touch With Us

    We are committed to meeting the diverse needs of our global customers through innovation and continuous improvement.

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