| Customization: | Available |
|---|---|
| Material: | Organic Silicone |
| Application: | Household, Medical, Industrial, Agricultural |
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Solid Silicone: High-Performance Elastomer for Demanding Environments
Solid silicone is a premium-grade elastomer engineered for applications that require exceptional durability, flexibility, and resilience under extreme conditions. Composed of high-purity silicone polymers, it offers consistent, high-performance capabilities across diverse industries such as automotive, medical, electronics, aerospace, and industrial manufacturing.
Wide Temperature Resistance
Performs reliably in extreme thermal environments, maintaining its physical and mechanical properties across a broad temperature range of -60°C to +230°C.
Superior Chemical Resistance
Inert to oils, solvents, acids, alkalis, and other harsh substances-ensuring stable long-term performance even in chemically aggressive settings.
Excellent Mechanical Strength & Elasticity
Retains flexibility and tensile strength under repeated stress, compression, and elongation-ideal for gaskets, seals, cushioning pads, and vibration isolation.
Exceptional Weatherability
Unmatched resistance to UV radiation, ozone, and outdoor weathering-making it the material of choice for long-lasting outdoor and exposed applications.
Smooth, Consistent Surface Finish
Manufactured in continuous rolls or precision-cut sheets with uniform thickness and surface texture, ensuring easy processing and integration into finished products.
Available in a Range of Durometers and Thicknesses
From soft, highly flexible grades to firm, rigid profiles-tailored to fit specific mechanical and functional requirements.
Custom Formulations for Regulatory Compliance
Options that meet international standards such as FDA (food and medical contact), RoHS (hazardous substance restrictions), and UL94 V-0 (flame retardancy).
Versatile and Reliable Across Applications
Trusted in:
Medical devices (e.g., tubing, seals, implant-grade materials)
Automotive systems (e.g., engine gaskets, thermal shields)
Electronics (e.g., insulation pads, keypad membranes)
Industrial machinery (e.g., shock absorbers, seals, diaphragms)
Engineered for reliability, performance, and adaptability-solid silicone excels where traditional elastomers fail.
Choose solid silicone for your most challenging applications and experience the long-term benefits of a material built to last.
1. High-Performance Sealing & Gasketing
Solid silicone is ideal for manufacturing durable seals, gaskets, and O-rings, offering outstanding resistance to pressure, fluids, and harsh environments. It ensures leak-proof performance even in high-stress applications.
2. Excellent Fabrication Versatility
Easily die-cut, stamped, or molded into precise shapes, solid silicone supports fast prototyping and scalable production of intricate components-ideal for both standard and custom applications.
3. Long-Term Durability
Designed for extended use, solid silicone resists wear, fatigue, and permanent deformation, making it a reliable choice for components subjected to continuous mechanical stress.
4. Low Compression Set (<10%)
Maintains its shape and sealing force after repeated compression, ensuring long-lasting functionality in dynamic systems like engines and valves.
5. UV, Ozone & Weather Resistance
Performs reliably in outdoor and high-oxidation environments, resisting degradation from sunlight, ozone, and environmental exposure without cracking or hardening.
6. Wide Operating Temperature Range (-60°C to +230°C)
Solid silicone remains flexible and stable in extreme cold and high heat, making it ideal for automotive, aerospace, industrial, and electronic applications.
7. Excellent Chemical & Moisture Resistance
Withstands exposure to oils, acids, solvents, and water, ensuring high performance in corrosive and high-moisture settings.
8. Flame-Retardant Grades Available
Options compliant with UL94, RoHS, and other safety standards are available for applications requiring superior fire resistance.
Solid silicone combines mechanical strength with chemical stability and thermal endurance-making it a smart, versatile solution for high-performance engineering applications.
3. parametersGeneral Information
| Item | Specification |
|---|---|
| Place of Origin | China (Zhejiang) |
| Brand Name | Dachuang Kehua |
| Model | Anti-static Foamed Silicone |
| Processing Capabilities | Molding, Cutting, Die-Cutting, Lamination |
| Property | Value |
|---|---|
| Hardness | 16-20 Shore A |
| Density | 0.60 g/cm³ |
| Thickness Range | 2 - 40 mm |
| Surface Texture | Grid pattern (customizable upon request) |
| Cell Structure | Closed-cell (obturator type) |
| Compression Set (22 hrs @ 70°C) | ≤15% |
| Tensile Strength | >700 kPa |
| Elongation at Break | >150% |
| Tear Strength | ≥15 kN/m (varies with density) |
| Recovery Rate | ≥98% after compression |
| Property | Value |
|---|---|
| Thermal Conductivity | 0.06 W/m·K |
| Operating Temperature Range | -60°C to +250°C |
| Peak Temperature Resistance | Up to +250°C |
| Electrical Resistivity | ≥10 Ω·cm (anti-static options available) |
| Dielectric Strength | ≥20 kV/mm (thickness dependent) |
| Flame Retardancy | Standard: Non-FR (Custom flame-retardant grades available) |
| Property | Performance |
|---|---|
| UV Resistance | Excellent |
| Ozone Resistance | Excellent |
| Water Absorption | ≤1% |
| Chemical Resistance | Good (resistant to mild acids, bases, and solvents) |
| Oil Resistance | Moderate (custom formulations available for improved resistance) |
| Weathering Resistance | Outstanding |
| Feature | Details |
|---|---|
| Machinability | Excellent (CNC, die-cutting, waterjet compatible) |
| Color Options | Customizable (natural, grey, red, black, etc.) |
| Lamination Options | Adhesive backing, fabric/surface film available |
| Shape Customization | Sheets, rolls, die-cut parts, gaskets, seals |
| Certifications | RoHS, REACH, FDA (available upon request) |
Solid Silicone Production Management Workflow
Base Material: High-purity silicone rubber (LSR or HTV)
Additives:
Curing agents (peroxide or platinum-based)
Reinforcing fillers (e.g., silica)
Flame retardants, colorants, UV stabilizers
Key Requirement: Compliance with RoHS, FDA, REACH, and industry-specific standards
Define hardness (Shore A), tensile strength, elongation, and thermal stability
Lab trials for:
Cure time/temperature optimization
Color consistency
Mechanical performance validation
Maintain a formulation database for traceability
Equipment: Internal mixers, two-roll mills, or twin-screw extruders
Critical Controls:
Precise additive dosing
Homogeneous dispersion
Degassing to eliminate trapped air
Viscosity & pot life monitoring
Process Options:
Compression Molding (for sheets, gaskets)
Injection Molding (complex geometries)
Extrusion (profiles, tubing)
Curing Parameters:
Temperature: 120-200°C
Pressure: 5-20 MPa
Time: 2-15 min (varies by thickness)
Secondary heat treatment (e.g., 4 hrs at 200°C) to enhance:
Crosslinking density
Thermal stability
Volatile removal (critical for medical/food-grade)
Cutting/Trimming: Die-cutting, CNC, laser, or waterjet
Surface Treatments: Plasma coating, adhesive lamination
Assembly: Bonding with metals/plastics (for multi-material parts)
Mechanical Tests: Hardness, tensile strength, compression set
Thermal Tests: TGA, DSC, heat aging resistance
Chemical Resistance: Oil, acid, solvent exposure
Dimensional Checks: Thickness, flatness, tolerances (±0.1mm)
Certifications: ISO 9001, ISO 13485, IATF 16949
Anti-static or vacuum-sealed packaging
Labeling: Batch #, manufacture date, shelf life
Storage: <30°C, 50% RH, away from direct sunlight
Records: Batch logs, QC reports, material certificates
ERP/MES Integration: Real-time tracking of production KPIs (yield rate, scrap rate)
Preventive Maintenance: Regular calibration of molds and presses
Operator Training: Standardized SOPs for consistency
Continuous Improvement: Root-cause analysis for defects (e.g., air traps, uneven curing)
Sustainability: Recycle trim waste into reusable feedstock
Foamed Silicone Production - Comprehensive Quality Control Guide
Silicone Base Quality - Verify viscosity, purity, and batch uniformity via CoA and viscosity meter.
Foaming Agent - Check activation temperature and decomposition profile using DSC/TGA analysis.
Additives - Validate curing agents, colorants, and antistatic properties against TDS.
Storage Conditions - Ensure proper labeling, shelf-life adherence, and contamination prevention.
Mixing Uniformity - Confirm homogeneity via visual checks and small test molds.
Degassing Efficiency - Monitor air bubble removal with vacuum tests and visual inspection.
Batch Consistency - Assess color, viscosity, and reactivity using rheometers/viscometers.
Temperature Control - Maintain optimal mixing temp (critical for LSR) with digital thermometers.
Mold Temperature - Ensure consistent curing with thermocouples/IR sensors.
Foaming Uniformity - Inspect bubble size/distribution via cross-section analysis.
Cell Structure - Verify closed/open-cell formation microscopically or with dye tests.
Curing Completeness - Test vulcanization via solvent rub or tensile strength checks.
Dimensional Accuracy - Measure thickness/geometry using calipers or laser gauges.
Hardness - Shore A 16-20 (ASTM D2240).
Density - Gravimetric foaming level check (ASTM D792).
Tensile Strength/Elongation - Universal tester (ASTM D412).
Compression Set/Recovery - ASTM D395 compliance.
UV Resistance - Accelerated exposure tests (ASTM G154).
Water Absorption - Weight gain post-submersion (ASTM D570).
Chemical Resistance - Soak tests in oils/solvents/acids.
Flame Resistance - UL94 or ASTM D635 certification (if required).
Texture/Defects - Visual/tactile inspection for cracks, pinholes, or inclusions.
Color Uniformity - Colorimeter validation (if specified).
Traceability - Batch logs, production dates, and operator records.
Labeling/Packaging - Accuracy checks and integrity tests (drop/vibration).
Certifications - RoHS, REACH, FDA compliance via third-party reports.
SPC Charts - Real-time process monitoring.
FMEA - Proactive defect prevention.
Control Plans/FAI - First-article validation.
Cp/Cpk Analysis - Process capability tracking.
ISO 9001/13485 Audits - Compliance assurance.
Key Takeaways:
Ensures consistent foam structure, mechanical performance, and durability.
Critical for automotive, medical, and electronics applications.
Combines process rigor with certification compliance.
Solid silicone is a high-performance elastomer renowned for its durability, flexibility, and resistance to extreme environments. Its excellent thermal stability, chemical resistance, and long-term reliability make it indispensable across multiple industries where precision sealing, insulation, and mechanical performance are critical.
Seals & Gaskets (Engine, transmission, battery housings)
Vibration Damping (Mounts, bushings, anti-noise components)
Cooling System Components (Hoses, O-rings, thermal pads)
EV Battery Protection (Insulation, flame-retardant barriers)
Keypads & Conductive Components (Tactile switches, EMI shielding)
Wire & Cable Insulation (High-voltage, heat-resistant coatings)
LED Encapsulation (Optical clarity, UV resistance)
Medical Seals & Valves (Syringes, pumps, respiratory devices)
Surgical Instruments (Grips, sterile components)
Wearable Devices (Skin-contact sensors, biocompatible parts)
O-Rings & Static Seals (Hydraulic systems, pneumatic equipment)
Mold Making & Tooling (High-temp resistant patterns)
Conveyor Belts & Rollers (Abrasion-resistant surfaces)
Kitchenware & Bakeware (Non-stick molds, food-grade seals)
Sporting Goods (Dive masks, waterproof seals)
Consumer Electronics (Waterproof gaskets for smart devices)
Solar Panel Sealing (Weatherproof junction box seals)
Transformer & Electrical Insulation (High-dielectric-strength components)
Oil & Gas Seals (Chemical-resistant gaskets for pipelines)
Standard: ASTM D1056-20
Test Protocol: 1000 thermal cycles (-55°C to 125°C), 50% compression
Results:
DC800-015: 1.1%
DC800-020: 1.3%
DC800-025: 1.6%
DC800-030: 2.3%
DC800-035: 3.1%
DC800-042: 3.4%
DC800-045: 4.2%
DC800-050: 3.9%
DC800-055: 4.0%
Certification Body: SGS
Highlights: Demonstrates outstanding long-term resilience and thermal stability across the full series.
Standard: GB/T 1695-2005
Results:
DC800-035: 3.0 kV/mm
DC800-042: 3.1 kV/mm
DC800-045: 3.1 kV/mm
Certification Body: SGS
Highlights: Ensures excellent insulation properties for high-voltage and sensitive electronic applications.
RoHS: Fully compliant with EU Directive 2011/65/EU and its amendment (EU) 2015/863; all restricted substances within regulatory thresholds.
REACH: No SVHCs (Substances of Very High Concern) detected.
Halogen-Free: Non-detectable levels of fluorine (F), chlorine (Cl), bromine (Br), and iodine (I).
Certification Body: SGS
Highlights: Environmentally friendly and non-toxic; suitable for applications requiring strict material safety.
Standard: ASTM D1056-14
Test Protocol: 180° bend at -55°C for 24 hours
Results: No visible cracking or deformation
Highlights: Maintains flexibility and integrity in extremely low temperatures, ideal for cold-environment applications.
Broad Temperature Resistance
Operational range: -55°C to 125°C
Maintains stable performance across 1000 thermal cycles
Reliable Mechanical Strength
Compression set ≤ 4.2% across all variants
Resilient with minimal long-term fatigue
Superior Electrical Insulation
Dielectric strength ≥ 3.0 kV/mm
Optimized for sensitive electronic insulation needs
Full Environmental Certification
Certified RoHS, REACH, and halogen-free
Suitable for medical, consumer, and food-grade applications
Customizable & Versatile Product Line
Available in grades from DC800-015 to DC800-055
Customizable in thickness, hardness, and functional attributes
Electronics: Shock-absorbing pads, EMI shielding seals
Automotive: Weather seals, vibration dampening components
Medical Devices: Eco-safe materials for sensitive applications
Industrial Equipment: Durable gaskets and sealing systems
All certifications are issued by SGS, a globally recognized third-party testing body.
Traceable test reports include:
Compression Set: SUIN21080062XXMR_CN
Dielectric Strength: SHIN210805363XMR_CN
Environmental Compliance: SHAEC2116203002/4002
Hangzhou Dachuang Kehua New Materials Co., Ltd. - Pioneering Advanced Silicone Material Solutions
Hangzhou Dachuang Kehua New Materials Co., Ltd. is a leading national high-tech enterprise specializing in the R&D, production, and sales of high-performance silicone materials. Headquartered in the Qingshanhu Science and Technology City in Hangzhou, Zhejiang-an integral part of China's National Science and Technology Innovation Corridor-the company is driven by technological innovation. With a dedicated team of industry experts, Dachuang Kehua has developed a comprehensive platform encompassing R&D, manufacturing, and sales. The company collaborates with top research institutions, establishing joint laboratories that push the boundaries of silicone material applications and industrialization.
Technological Leadership
Innovative production processes and equipment, offering a diverse range of products, including liquid/solid foamed silicone, thermal conductive materials, and potting compounds.
The revolutionary DC800 Series Liquid Foamed Silicone technology requires no external foaming agents, is eco-friendly, and boasts superior weather resistance, flame retardancy, and rebound performance.
Industry-Leading Certifications
Quality management systems: ISO9001, IATF16949 (automotive industry standard).
Global certifications: UL/CUL UL157, EU RoHS 2.0, REACH, and SGS comprehensive testing.
Tailored Solutions for Diverse Industries
Products are designed to meet the needs of high-end industries such as new energy vehicles, energy storage, 5G communications, and aerospace, providing sealing, thermal conduction, cushioning, and fireproofing solutions.
Foamed Silicone: DC800 Series (low/medium/high density), DC900 Series (rigid foam), featuring IP68 sealing, shock absorption, sound insulation, and extreme temperature resistance (-55°C to 200°C).
Thermal Conductive Materials: DC10 Series thermal pads, DC21 Series potting compounds, ideal for lightweighting and heat dissipation in battery packs.
Fireproof Materials: DC400 Series ceramicized silicone rubber, designed for thermal runaway protection.
Specialty Composites: DC600 Series (foamed silicone + PTFE), offering resistance to corrosion and chemicals.
New Energy Vehicles:
Power battery PACK sealing (IP68), liquid cooling plate support, cell cushioning (absorbing expansion stress).
Charging pile waterproofing/dustproofing (IP68), pouch cell spacers.
Energy Storage Systems: Liquid-cooled cabinet sealing (IP67), cell fireproofing/insulation (ceramicized silicone).
5G Communications: Equipment housing sealing, EMI shielding, and aging resistance.
Construction & Industry: Steel structure sealing strips, photovoltaic inverters (IP67, UL94 V-0 flame retardant).
Laboratory Capabilities:
Over 30 performance tests, including mechanical properties, aging, salt spray, flammability, and electrical testing.
Advanced equipment: Universal tensile testers, thermal conductivity meters, environmental chambers, and more.
Manufacturing Process: Fully automated mixing, vulcanization, cutting, and laminating processes ensure consistent product quality.
Dachuang Kehua serves global leaders in new energy vehicles (batteries, charging piles), energy storage, rail transit, and consumer electronics, providing high-performance material solutions to industry giants such as CATL, BYD, and Huawei.
With the mission of "Empowering Industrial Upgrades Through Material Science," Dachuang Kehua is committed to continuous innovation, aiming to establish itself as a global leader in silicone materials and contribute to the sustainable development of green energy and smart manufacturing.
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