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

Solid Black Nitrile NBR Rubber Strip
This high-performance NBR rubber seal strip delivers durable, airtight insulation for doors and windows. It effectively blocks drafts, noise, dust, and moisture with excellent resistance to wear, oil, and aging. Available in customizable sizes to fit your specific needs, it is easy to install and maintain. Ideal for improving energy efficiency and indoor comfort, all backed by reliable customer support for complete satisfaction. H
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Technical Specifications

CategoryPropertySpecification / Description
Basic InformationRMaterialNitrile NBR Rubber
Common ColorsBlack, 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

Product Information

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Applications

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