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China, Chinese Premium Silicone Sealing Strips for Superior Buildings1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Products Details Supplier Manufacturer price list catalog
Silicone Silicone ProductsSilicone Sealing StripsHigh-Temperature Resistance
Hangzhou Dachuang Kehua New Material Co., Ltd.
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Product Description Product DescriptionAdvanced Silicone Rubber Sealing Strips for High-Performance Building EnvelopesEngineered with precision using high-temperature vulcanization (HTV) technology, our advanced silicone rubber sealing strips set a new benchmark in durability and efficiency for modern construction. Designed to outperform traditional rubber and plastic alternatives, they offer superior resilience, weather protection, and sealing performance in even the most demanding environments.Key Advantages of Silicone Sealing StripsExtreme Temperature ResistanceMaintains flexibility and functionality across a broad temperature range, from sub-zero conditions to over 200°C.Superior Weather & UV StabilityWithstands prolonged exposure to sunlight, ozone, and harsh environmental conditions without cracking, fading, or degradation.Long-Lasting ElasticityMaintains shape and sealing properties over time, resisting brittleness, compression set, and deformation.Environmentally Friendly & Non-ToxicFree from harmful substances and compliant with green building standards-ideal for sustainable and indoor applications.Excellent Insulation PerformanceEnhances thermal and acoustic insulation while preventing air, moisture, and dust infiltration.Lightweight & Cost-EfficientDelivers high material yield, reduced waste, and lower installation costs without compromising performance.Tailor-Made ProfilesCustomizable to suit complex geometries and seamlessly integrate with a wide variety of building systems and design aesthetics.ApplicationsCurtain wall and structural glazing systemsAluminum, PVC, and wooden door and window assembliesGlass facades, skylights, and interior partitioningPassive house and energy-efficient building envelopesResidential, commercial, and high-rise developmentsDesigned to form an airtight, watertight, and soundproof seal, our silicone rubber sealing strips significantly enhance building performance while ensuring long-term comfort, efficiency, and structural integrity.Choose cutting-edge silicone sealing solutions-where innovation meets lasting performance. Premium Silicone Rubber Sealing StripsThe Ultimate Weatherproofing and Performance SolutionEngineered for modern architecture and extreme environments, our next-generation silicone rubber sealing strips deliver unmatched performance, longevity, and adaptability. Developed through cutting-edge material science, these advanced seals offer architects and engineers the ideal combination of structural reliability, environmental resistance, and design flexibility.Unmatched Performance FeaturesExtreme Temperature AdaptabilityReliable operation from -60°C to +200°C, suitable for both cryogenic and high-temperature applicationsMaintains sealing integrity in arctic cold, desert heat, and industrial thermal cyclesAdvanced Weather ResistanceUV-stabilized compound resists degradation from prolonged sun exposureDefends against ozone, acid rain, and salt spray for marine and urban environmentsProven 25+ year outdoor service life with no cracking, chalking, or hardeningExceptional Durability<10% compression set after 10,000 hoursRetains 90% elasticity after 15+ years of continuous useEnhanced with anti-aging additives for extended lifespanSustainable and SafeEco-Conscious CompositionREACH and RoHS compliant for responsible manufacturingZero VOC emissions, improving indoor air qualityAvailable in food-grade and medical-grade variantsSafety-Focused OptionsUL94 V-0 flame retardant formulationsLow smoke toxicity for enclosed spacesStatic dissipative versions for sensitive electronic environmentsStructural and Dynamic AdvantagesOptimized Physical PropertiesHigh strength-to-weight ratio minimizes structural impactPrecision-extruded for dimensional stabilityUp to 40% material savings vs traditional rubber sealsDynamic Movement Compensation98% elastic recovery after repeated compressionSupports 25% joint expansion/contractionResponsive, memory foam-like behavior adapts to structural shiftsIntelligent Moisture ControlMicro-porous matrix prevents condensation buildupBalanced vapor permeability (500-800g/m2/24h)Built-in capillary break design blocks water migrationChemical and Environmental ResilienceBroad Chemical ResistanceWithstands pH 2-12, hydrocarbons, solvents, and de-icing saltsIdeal for marine, industrial, and chemical-prone environmentsTailored for Architectural PrecisionCustom Extrusion CapabilitiesComplex geometric profiles for advanced facade designsPantone color matching and textured finishes for aesthetic continuitySeamless interface with aluminum, glass, wood, and composite materialsTechnical SpecificationsTensile Strength: 8-12 MPaElongation at Break: 400-600%Tear Resistance: 25-40 kN/mHardness: Shore A 40-80 (customizable)Certifications & StandardsISO 9001 / ISO 14001 certified manufacturingASTM C920 compliant for joint sealingEN 1366 fire resistance testedLEED documentation available for sustainable building creditsApplication-Specific BenefitsCurtain Walls & Glazing Systems: Accommodates multi-directional movementHealthcare Facilities: Inhibits microbial growthData Centers: Available in EMI/RFI shielding gradesCoastal & Marine Buildings: Built-in salt corrosion resistanceChoose the sealing solution that delivers performance without compromise.Our continuously evolving R&D and technical support empower your most demanding projects-today and into the future.Our ProductionSolid Silicone Production Management Workflow1. Raw Material SelectionBase Material: High-purity silicone rubber (LSR or HTV)Additives:Curing agents (peroxide or platinum-based)Reinforcing fillers (e.g., silica)Flame retardants, colorants, UV stabilizersKey Requirement: Compliance with RoHS, FDA, REACH, and industry-specific standards2. Formula Development & TestingDefine hardness (Shore A), tensile strength, elongation, and thermal stabilityLab trials for:Cure time/temperature optimizationColor consistencyMechanical performance validationMaintain a formulation database for traceability3. Mixing & CompoundingEquipment: Internal mixers, two-roll mills, or twin-screw extrudersCritical Controls:Precise additive dosingHomogeneous dispersionDegassing to eliminate trapped airViscosity & pot life monitoring4. Molding & CuringProcess Options:Compression Molding (for sheets, gaskets)Injection Molding (complex geometries)Extrusion (profiles, tubing)Curing Parameters:Temperature: 120-200°CPressure: 5-20 MPaTime: 2-15 min (varies by thickness)5. Post-Curing (If Required)Secondary heat treatment (e.g., 4 hrs at 200°C) to enhance:Crosslinking densityThermal stabilityVolatile removal (critical for medical/food-grade)6. Secondary ProcessingCutting/Trimming: Die-cutting, CNC, laser, or waterjetSurface Treatments: Plasma coating, adhesive laminationAssembly: Bonding with metals/plastics (for multi-material parts)7. Quality Control & TestingMechanical Tests: Hardness, tensile strength, compression setThermal Tests: TGA, DSC, heat aging resistanceChemical Resistance: Oil, acid, solvent exposureDimensional Checks: Thickness, flatness, tolerances (±0.1mm)Certifications: ISO 9001, ISO 13485, IATF 169498. Packaging & StorageAnti-static or vacuum-sealed packagingLabeling: Batch #, manufacture date, shelf lifeStorage: <30°C, 50% RH, away from direct sunlight9. Documentation & TraceabilityRecords: Batch logs, QC reports, material certificatesERP/MES Integration: Real-time tracking of production KPIs (yield rate, scrap rate)Best Practices for Solid Silicone ProductionPreventive Maintenance: Regular calibration of molds and pressesOperator Training: Standardized SOPs for consistencyContinuous Improvement: Root-cause analysis for defects (e.g., air traps, uneven curing)Sustainability: Recycle trim waste into reusable feedstockQuality managementSolid Silicone Rubber Production Workflow - High-Performance ApplicationsSolid silicone rubber (HTV or HCR) is widely used for gasketing, insulation, and sealing in demanding sectors such as automotive, aerospace, and healthcare. Below is a comprehensive production workflow:1. Material PreparationBase Polymer Selection: Choose high-purity HTV silicone gumAdditive Integration: Mix reinforcing fillers (e.g., fumed silica), pigments, and curing agentsStorage & Handling: Store in temperature- and humidity-controlled environments to prevent contamination2. Compounding ProcessKneading/Two-Roll Milling: Achieve homogeneous dispersion of additivesPre-curing Checks: Test compound viscosity, dispersion, and scorch timeBatch Labeling: Assign traceable batch IDs for each compounded lot3. Shaping/FormingMolding Options: Compression, transfer, or injection molding based on geometryTool Temperature Control: Maintain mold temperatures between 150°C and 220°CCycle Timing: Optimize press time for full crosslinking4. Curing ProcessPrimary Curing: Molded parts are cured under pressure and heatPost-Curing (if needed): Optional secondary curing in an oven (e.g., 200°C for 4 hours) to remove residual volatiles and enhance performance5. Trimming & FinishingFlash Removal: Manual or automated trimming of excess rubberSurface Treatments: Optional coatings for friction reduction or hydrophobicityDimension Check: Measure tolerances using calipers or coordinate measuring machines (CMMs)6. Inspection & TestingPhysical Testing: Hardness (ASTM D2240), tensile strength (D412), elongation, tear resistanceThermal Resistance: Heat aging and cold flexibility testsElectrical Properties: For insulation-grade silicone (e.g., dielectric strength per ASTM D149)7. Packaging & TraceabilityLabeling: Include product code, lot number, and date of manufacturePackaging: Use moisture- and dust-resistant bags or cartonsDocumentation: Attach CoA, MSDS, and regulatory certificates8. Quality AssuranceIn-Process AuditsFirst Article InspectionsSPC Monitoring & Corrective Action LogsPackaging & ShippingProduct applicationsIdeal Applications of High-Performance Solid Silicone Sealing StripsHigh-end solid silicone rubber sealing strips are engineered to deliver exceptional sealing, insulation, and environmental protection across a wide range of demanding construction and industrial applications. Their unmatched durability, elasticity, and weather resistance make them indispensable in both traditional and high-tech building systems.1. Building Curtain Wall SystemsProvide long-lasting seals between glass panels and metal frames, preventing water infiltration and air leakage.Maintain flexibility across temperature extremes, ensuring structural integrity in high-rise buildings.2. Aluminum Alloy Doors and WindowsEnsure airtight and watertight sealing around operable window and door frames.Resist deformation and aging under daily use, UV exposure, and seasonal temperature changes.3. PVC, UPVC, and Wooden Window FramesEnhance thermal and acoustic insulation in residential and commercial windows.Suitable for both double-glazed and triple-glazed systems, reducing energy loss.4. Glass Facades, Skylights & Roof GlazingMaintain a durable, weatherproof barrier in structural glazing systems exposed to direct sunlight, wind, and rain.Ideal for complex geometries and curved installations due to their excellent conformability.5. Energy-Efficient and Passive HousesEssential for thermal bridge reduction and maintaining building envelope integrity.Help achieve LEED, BREEAM, or Passive House certification by improving air tightness and energy performance.6. Cleanrooms and Medical FacilitiesOffer non-toxic, non-reactive sealing in hospitals, pharmaceutical labs, and sterile environments.Resistant to microbial growth, chemicals, and regular cleaning agents.7. Automotive and Rail Vehicle InteriorsUsed in door seals, window channels, and HVAC systems for noise reduction, thermal management, and dust protection.Perform reliably under vibration, compression, and outdoor exposure.8. Electrical and Electronics EnclosuresProtect sensitive components from moisture, dust, and EMI in outdoor junction boxes or telecom equipment.Maintain sealing even under prolonged thermal cycling and electrical loading.9. Aerospace, Marine & Defense StructuresUsed in access panels, hatches, and fuselage joints requiring low outgassing and extreme weather durability.Withstand ozone, salt spray, and corrosive environments, critical in marine and coastal buildings.10. Industrial Equipment & MachineryServe as gaskets and seals in industrial ovens, cleanroom equipment, HVAC units, and compressors.Provide chemical and high-temperature resistance in process-intensive environments.Summary of Key Benefits Across ApplicationsWeatherproofing and air sealingThermal and acoustic insulationLong-term elasticity and durabilityCompatibility with diverse substrates (glass, metal, wood, plastic)Compliance with green building standardsCertificationsCompany ProfileHangzhou Dachuang Kehua New Materials Co., Ltd.Pioneering Advanced Silicone Material SolutionsCompany OverviewHangzhou Dachuang Kehua New Materials Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of high-performance silicone materials.Located in Qingshanhu Science and Technology City, Hangzhou-at the heart of China's National Science and Technology Innovation Corridor-Dachuang Kehua thrives on technological advancement and deep industry expertise. Backed by a skilled technical team and strong partnerships with leading research institutions, the company has established an integrated platform that unites R&D, manufacturing, and sales.With state-of-the-art laboratories and advanced production facilities, Dachuang Kehua continues to expand the industrial application of silicone materials, driving innovation across diverse sectors.Core StrengthsTechnological LeadershipDachuang Kehua utilizes proprietary production processes and cutting-edge equipment to produce a broad range of silicone-based products, including:Liquid and solid foamed siliconeThermal interface materialsPotting compoundsSpecialty compositesA standout innovation is the DC800 Series Liquid Foamed Silicone, an environmentally friendly solution free from external foaming agents. It offers excellent elasticity, weather resistance, and flame retardancy-ideal for high-performance sealing and insulation.International Standards & CertificationsDachuang Kehua is committed to delivering globally certified quality:Management Systems: ISO 9001 and IATF 16949 (automotive standard)Product Certifications: UL/CUL UL157, EU RoHS 2.0, REACH complianceThird-Party Testing: Comprehensive validation through SGS and other international labsTailored Solutions for Key IndustriesThrough deep material expertise and customization capabilities, Dachuang Kehua provides targeted solutions for critical industries such as:New Energy Vehicles (NEVs)Energy Storage Systems5G CommunicationsAerospace and DefenseApplications include thermal management, sealing, vibration damping, fire protection, and electromagnetic shielding.Innovative Product PortfolioFoamed SiliconeDC800 Series: Low, medium, and high-density options for IP68 sealing, shock absorption, acoustic insulation, and extreme temperature tolerance (-55°C to 200°C)DC900 Series: Rigid foams offering structure and durability under loadThermal Conductive MaterialsDC10 Series: Thermal pads for lightweight and efficient battery heat dissipationDC21 Series: Thermal potting compounds for electronic encapsulationFireproof MaterialsDC400 Series: Ceramic-forming silicone rubber for fire containment and thermal runaway protectionSpecialty CompositesDC600 Series: Integrates foamed silicone and PTFE for superior chemical resistance and corrosion protectionKey Application AreasNew Energy Vehicles (NEVs):Battery PACK sealing (IP68), cooling plate support, cell cushioning, and waterproofing for charging stationsEnergy Storage Systems:Liquid-cooled cabinet sealing (IP67) and fireproof ceramic silicone insulation5G Communication Equipment:Structural housing seals, EMI shielding, and long-term weather resistanceConstruction & Industrial Use:Photovoltaic inverter gaskets (IP67, UL94 V-0), steel structure sealing, and environmental barrier solutionsR&D and Quality AssuranceAdvanced Testing CapabilitiesThe company operates more than 30 testing protocols across:Mechanical strengthWeather and aging resistanceElectrical insulationFlammability and salt spray exposureEquipment includes universal tensile testers, thermal conductivity meters, and programmable environmental chambers.Automated Manufacturing ExcellenceFully automated production lines-covering mixing, vulcanization, cutting, and lamination-ensure precision, efficiency, and consistent product quality across all product classes.Market Reach & Strategic PartnershipsDachuang Kehua is a trusted material partner for global leaders in:New energy vehiclesEnergy storageRail transitConsumer electronicsNotable clients include CATL, BYD, and Huawei, all relying on Dachuang Kehua for dependable, high-performance silicone material solutions.
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