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    Weizhong Company adheres to the business philosophy of "Quality First, Customer Supreme, Honest and Trustworthy, and Active Innovation".

Silicone Rubber Round Bar
This premium solid silicone sealing strip offers excellent waterproofing and slip resistance. Designed in a solid round/O-type profile, it is highly flexible and durable, with outstanding temperature resistance for both high and low-temperature environments. Ideal for sealing, cushioning, and insulation in industrial, automotive, and household applications, it ensures reliable performance and long-lasting protection. Easy to cut and install to fit various custom needs. H
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Technical Specifications

CategoryPropertySpecification / Description
Basic InformationRMaterialSilicone
Common ColorsRed, Custom
Common Cross-section ShapesCustom Profiles
Physical PropertiesHardness (Shore A)40~80
Density (g/cm³)1.2 ~ 1.3
Tensile Strength (MPa)7 ~ 12
Elongation (%)200 ~ 400
Weather ResistanceTemperature Range (℃)-40 ~ +120 (Heat-resistant up to +150)
Aging ResistanceExcellent (Stable under UV and oxidation)
Ozone ResistanceExcellent (Not prone to cracking)
Chemical PropertiesOil ResistancePoor (Not suitable for long-term mineral oil contact)
Acid and Alkali ResistanceGood (Suitable for most weak acids and bases)
Flame Retardant GradeCustomizable UL94 V-0 or standard flame-retardant
Functional FeaturesWaterproof PerformanceGood (IP65~IP67)
Sealing PerformanceGood (Effective against air, liquids, and dust)
Pressure ResistanceMedium (Suitable for doors/windows/automotive, not for high-pressure pipelines)
Processing & InstallationSurface TreatmentSmooth, Textured, Flocked, Sprayed, Adhesive-coated
Installation MethodEmbedded, Clamped, Adhesive, Press-fit
Supply FormRolls (meters), Fixed-length cuts, Closed loops

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Product Introduction


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Application

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