| Customization: | Available |
|---|---|
| Material: | Organic Silicone |
| Application: | Household, Medical, Industrial, Agricultural |
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Solid Silicone: A High-Performance Elastomer for Demanding Applications
Solid silicone is a high-grade elastomer known for its exceptional durability, flexibility, and resistance to extreme environments. Engineered from high-purity silicone polymers, it consistently delivers superior performance across a variety of sectors, including automotive, medical, electronics, and industrial manufacturing.
Solid silicone performs reliably in extreme temperatures, maintaining both structural integrity and mechanical properties.
Operating range: -60°C to +230°C
Ideal for applications exposed to rapid thermal cycling or prolonged heat exposure.
This material withstands contact with a broad range of substances, including:
Oils, acids, alkalis, solvents, and other harsh chemicals
Ensuring long-lasting performance in chemically aggressive or corrosive environments
Solid silicone offers a unique combination of:
Tensile strength, flexibility, and resilience
Retains shape and elasticity under repeated compression or stretching
Suitable for dynamic seals, vibration dampening, cushioning, and gasket applications
Formulated to endure harsh outdoor conditions, it features:
UV, ozone, and weather resistance
Long-term outdoor performance without cracking, brittleness, or degradation
Available in:
Continuous rolls or precision-cut sheets
With uniform thickness and a smooth surface
Facilitates seamless processing, fabrication, and integration into finished products or assemblies
Available in a range of durometers, thicknesses, and colors
Custom formulations to meet regulatory and performance requirements (e.g., FDA, RoHS, UL94 V-0)
Trusted in critical applications such as medical tubing, industrial gaskets, automotive seals, and electrical insulation
Solid silicone is engineered to excel where other elastomers fall short-offering a reliable, adaptable, and high-performance solution for the most challenging environments.
Key Features of Solid Silicone
Solid silicone is a robust and versatile elastomer engineered to perform reliably in demanding conditions. Its unique combination of mechanical strength, environmental resistance, and processing flexibility makes it an ideal choice for a wide range of high-performance applications.
Solid silicone excels in the production of seals, gaskets, and O-rings, offering:
Exceptional resistance to pressure, fluids, and environmental stressors
Reliable, leak-proof performance in high-load and high-temperature applications
Easily processed through die-cutting, stamping, or molding, solid silicone:
Supports rapid prototyping and high-volume production
Enables precision shaping for both standard and complex custom parts
Engineered for longevity, it resists:
Wear, mechanical fatigue, and permanent deformation
Suitable for components exposed to continuous motion, vibration, or pressure cycles
Maintains original shape and compression force even after repeated use:
Ensures reliable sealing performance in dynamic systems like engines, pumps, and valves
Designed for challenging outdoor environments, solid silicone:
Withstands prolonged exposure to sunlight, ozone, and varying weather conditions
Remains flexible and crack-free over time
Performs consistently in extreme thermal conditions:
Ideal for use in automotive, aerospace, electronics, and industrial equipment
Offers protection against:
Oils, acids, solvents, and water
Ensures durability in corrosive and high-humidity environments
Special formulations meet strict safety and compliance standards:
Options certified to UL94, RoHS, and other industry-specific regulations
Suitable for applications where fire resistance is critical
Conclusion:
Solid silicone delivers a powerful combination of thermal stability, environmental resilience, and mechanical strength-making it a trusted material for engineers seeking long-lasting solutions in high-demand applications.
General 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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