Ceramic Refractory Silicone Rubber Flame-Retardant Fireproof Composite

• Customization: Available
• Material: Organic Silicone
• Application: Household, Medical, Industrial, Agricultural
• Model NO.: DC600
• Certification: ISO, REACH, RoHS
• Transport Package: Carton + Pallet
• Specification: customized
• Trademark: Dachuang Kehua
• Origin: China
• HS Code: 3910000000
• Production Capacity: 1000000 Sqm/Week

Product Description

Product Description

DC 600 is a high-performance ceramized refractory silicone rubber designed to deliver exceptional fire protection in extreme environments. At room temperature, it retains all the classic properties of silicone rubber-flexibility, durability, and resilience-while offering unique ceramic-forming capabilities when exposed to high temperatures.
This material is engineered from a high-strength specialty fiber fabric combined with a specially formulated silica-based silicone rubber. Upon exposure to fire or intense heat, the silicone layer transforms into a rigid ceramic-like shell, providing outstanding insulation and structural integrity.

Key Features of Ceramized Refractory Silicone Rubber:

1. High Temperature Resistance: Ceramized refractory silicone rubber is designed to withstand extreme temperatures, often up to 300°C or more, without degrading. This makes it suitable for use in high-heat environments, such as industrial furnaces, kilns, and automotive applications.

2. Enhanced Thermal Insulation: The ceramized coating on the rubber improves its ability to provide thermal insulation. This feature helps in preventing heat loss and maintaining energy efficiency, which is important in applications requiring precise temperature control.

3. Superior Mechanical Strength: Despite its flexibility, ceramized refractory silicone rubber maintains high mechanical strength, allowing it to resist wear, tear, and deformation under stress. It can handle the rigors of harsh industrial environments without cracking or losing integrity.

4. Excellent Chemical Resistance: The silicone rubber has resistance to various chemicals, oils, and solvents, making it suitable for use in environments where chemical exposure is a concern. This includes applications in the automotive, chemical processing, and manufacturing industries.

5. Flexibility and Durability: Ceramized silicone rubber maintains its flexibility even under high-temperature conditions. This flexibility makes it ideal for applications where movement or vibration might be present, such as sealing or gasket applications in engines and machinery.

6. Fire Resistance: Thanks to the ceramized treatment, this material has enhanced fire-resistant properties, making it suitable for use in environments prone to sparks, flames, or high heat. It can help prevent fires from spreading and minimize damage to surrounding components.

7. Electrical Insulation: The silicone base provides excellent electrical insulation, which is essential for use in electronic and electrical applications, where components need to be shielded from electrical short circuits or conductive paths.

8. Non-Toxic and Environmentally Friendly: Ceramized refractory silicone rubber is non-toxic, which makes it safe for use in various industries, including food processing or medical applications, when formulated for specific uses. It's also considered environmentally friendly due to its low volatile emissions.

9. Long Service Life: This material is highly durable and resistant to aging, maintaining its functional properties over extended periods of time, even in harsh conditions. This contributes to a long service life with minimal maintenance needs.

10. Versatility in Application: Ceramized refractory silicone rubber can be used in a wide range of applications, such as sealing gaskets, flexible fire barriers, thermal insulation pads, electrical enclosures, and more. Its versatility makes it a go-to solution for industries requiring both high-temperature and chemical-resistant materials.

These key features make ceramized refractory silicone rubber a valuable material in high-temperature, demanding industrial, automotive, and manufacturing environments.

 

3.Parameters

DC 600 Ceramized Refractory Silicone Rubber - Technical Specification Table

 

General Product Attributes

Serial number	Testing items	Implementation Standards	Unit	Data
1	Thickness	/	mm	0.2-3mm
2	Density	ASTM D1056	g.cm^3	1.6±0.2
3	Reverse Thermal Conductivity	1000°C/10min	°C	≤400
4	Tensile strength	GB/T 528-2009	Mpa	≥10
5	Breaking strength	GB/T 1408-2006	KV/mm	≥20
6	Water absorption	ASTM D570	%	≤1.0
7	Environmental testing	ROHS/ELV	/	PASS
8	Burning Flame Spread Index	ASTM E162-15b Flaming mode	/	Average Is=15(<35)
9	Combustion Smoke Concentration	ASTM E662-2015 Flaming mode@4min	/	Average 71.5(<200)
10	Burning speed	FMVSS 302	mm/min	<100
11	Low temperature bending	ASTM D1056 @-55°C	/	PASS
12	Insulation resistance	DC 1000V,60S	MΩ	≥500
13	Volume resistivity	GB/T 1695-2005	Ω·cm	≥1.0*1015
14	Flame retardant	UL94-2013	Vertical/Horizontal	V-0/HF-1
15	Heat conductivity	ASTM C518	W/(m.k)	0.48

 

Our main products 

---Innovative Material Solutions for Industrial Excellence

Dachuang Kehua specializes in advanced material technologies designed to meet the demands of modern industries such as automotive, electronics, energy storage, and construction. Our product portfolio focuses on thermal management, sealing, insulation, and vibration control, ensuring reliability, safety, and efficiency in high-performance applications. Below are our core product lines:

 

1. Silicone Foam Solutions

•   Sealing Components

  •   Battery pack sealing rings (IP67/IP68)

  •   Liquid cooling plate support pads

•   Cushioning & Filling

  •   EV inter-cell filling foam (thermal runaway prevention)

  •   Vibration-damping cushions for industrial equipment

2. High-Temperature Specialty Materials

•   Teflon & Ceramized Silicone Products

  •   Fireproof barriers (ceramicizing at 500°C+)

  •   Chemically resistant liners/gaskets

•   Mica-Based Solutions

  •   Cell spacers for batteries

  •   Heat-insulating sheets (1000°C+ resistance)

3. Polymer Foams & Insulation

•   Polyurethane Foam (PU)

  •   CR/EPDM variants for weather-resistant seals

  •   Melamine foam for acoustic insulation

•   Lightweight Insulation Sheets

  •   PP/PC insulating layers

  •   PEF (Polyethylene foam) & aerogel composites

4. Advanced Thermal Management

•   MPP Insulation

  •   Electromagnetic shielding applications

•   Aerogel-Enhanced Materials

  •   Ultra-thin, high-performance insulation for aerospace/EVs

 

Key Differentiators

Multi-Material Expertise: Combines silicone, PU, and ceramic technologies.
EV-Centric Solutions: 60% of products support battery/charging systems.
Extreme Environment Focus: Materials rated for -60°C to 1000°C.

Typical Clients: EV manufacturers (battery/PACK), 5G infrastructure suppliers, aerospace OEMs.

 

•  

Our production

 

1. Raw Material Selection

• Base Polymers:
  High-purity solid or liquid silicone rubber (HTV or LSR grade) with excellent thermal stability and processability.

• Ceramizing Fillers:
  Proprietary inorganic additives that vitrify under high heat to form a rigid ceramic barrier.

• Functional Additives:

  • Curing agents (typically platinum-catalyzed or peroxide-based)

  • Flame retardants (non-halogenated, UL 94 V-0 grade)

  • Thermal stabilizers and structural enhancers

  • Colorants (non-toxic, high-temperature resistant)

  • Optional: Antistatic or conductive agents for specific applications

• Regulatory Compliance:
  All raw materials must conform to relevant standards such as RoHS, REACH, UL, and if applicable, FDA or automotive/military specifications.

 

2. Formula Development & Lab Testing

• Define target parameters:

  • Density, hardness, flexibility

  • Thermal resistance (up to 1200°C), ceramization behavior

  • Electrical insulation, structural integrity post-burning

• Conduct bench-scale trials to optimize:

  • Ceramization onset temperature and structural performance

  • Foaming ratio (if applicable)

  • Cure cycle (temperature and time)

  • Surface finish and dimensional stability

• Maintain a digital formulation logbook for version control, traceability, and continuous improvement.

 

3. Mixing & Compounding

• Process Types:

  • HTV: Internal mixing with precise batch ratios

  • LSR: A/B component metering and inline mixing

• Equipment:

  • Double planetary mixers

  • Internal kneaders

  • Twin-screw compounders

  • Vacuum mixers (for bubble elimination)

• Key Process Controls:

  • Degassing for void-free compound

  • Homogeneity of ceramic and elastomer phases

  • Viscosity measurement and consistency

 

4. Shaping, Ceramization & Curing

• Molding Techniques:

  • Compression molding for sheets, slabs, thermal pads

  • Injection molding for precision or custom-shaped components

• Curing Parameters:

  • Temperature: 120-180°C (initial cure)

  • Time: 5-20 minutes, dependent on part thickness and geometry

• Ceramization Preparation:

  • Formulation ensures vitrification starts around 280-300°C

  • End-use exposure results in a durable ceramic structure (up to 1200°C)

 

5. Post-Curing (If Required)

• Process:
  Secondary heat treatment at 200°C for 2-4 hours

• Purpose:

  • Enhance mechanical properties

  • Eliminate volatiles

  • Stabilize product for high-spec applications (e.g., aerospace, EV batteries)

 

6. Cutting, Trimming & Surface Treatments

• Machining Options:

  • CNC cutting

  • Laser or waterjet cutting

  • Die-cutting for high-volume shapes

• Value-Added Processing:

  • Adhesive backing lamination

  • Surface film application (PET, PI, mica, etc.)

  • Punching or precision slitting

 

7. Quality Control & Testing

• Mechanical Testing:

  • Hardness (Shore OO)

  • Tensile strength, elongation

  • Density and compression set

• Thermal Testing:

  • Thermal conductivity

  • Heat resistance and fire simulation

  • Ceramization quality and structural rigidity post-burn

• Electrical Testing:

  • Volume resistivity

  • Dielectric strength

• Dimensional & Surface Checks:

  • Thickness, flatness, bubble uniformity

  • Cell structure (open vs. closed, if foamed)

• Certifications:
  Implement QA under ISO 9001, with optional compliance to ISO 13485, IATF 16949, or UL 94 V-0 depending on end-use.

 

8. Packaging & Storage

• Packaging Materials:
  Use clean, non-contaminating films or boxes, anti-static if needed

• Labeling Information:

  • Batch number

  • Production date

  • Product code and specifications

• Storage Conditions:
  Cool, dry, UV-protected environment
  Avoid prolonged humidity exposure

 

9. Documentation & Traceability

Maintain complete records for:

• Formulation versions and production recipes

• Batch production logs

• QC test reports and certificates of analysis

• Material safety data sheets (MSDS)

• Non-conformance records and customer feedback

Digital tracking via ERP / MES systems is recommended for full traceability.

 

Best Practices

• Calibrate key equipment on a scheduled basis

• Train operators on material handling and safety protocols

• Use real-time data monitoring to track:

  • Yield rates

  • Scrap rates

  • Downtime and cycle times

• Implement preventive maintenance across all mixing and molding systems

Quality control

Packaging & Shipping

Packaging Details

Export standard packing for Ceramic Refractory Silicone Rubber Tape Flame-retardant Fireproof Composite Tape.(If customers have special requirements, we also can make accordingly.)

Port

Shanghai

Selling Units:

Single item

Single package size:

17X17X20 cm

Single gross weight:

1.000 kg

Product applications

Ceramic Foamed Silicone Applications Summary

1. Energy Sector

   • EV battery pack sealing (PACK batteries)

   • Charging station components

   • Renewable energy equipment

2. Transportation

   • Aircraft insulation and sealing

   • High-speed rail vibration damping

   • Automotive components (thermal/fire protection)

3. Electronics & Communication

   • EMI/RF shielding gaskets (5G/communication devices)

   • Electrical insulation pads

   • Drone vibration absorption

4. Industrial Equipment

   • Cabinet/control panel sealing (IP protection)

   • Acoustic noise reduction (56 equipment)

   • Outdoor lighting seals

5. Special Applications

   • High-temperature insulation

   • Fireproof barriers in critical systems

Key Properties Leveraged:

• High temperature resistance (up to 500°C+)

• Excellent compression recovery

• UL94 V-0 flame retardancy

• Customizable density/hardness

 

Company Profile

Hangzhou Dachuang Kehua New Materials Co., Ltd.

Innovating Silicone Solutions for a Sustainable Future

Company Overview

Hangzhou Dachuang Kehua is a national high-tech enterprise and a pioneer in advanced silicone material solutions. Founded in 2020 and headquartered in Hangzhou's Qingshanhu Science and Technology Corridor, we integrate R&D, production, and sales to serve global industries with cutting-edge material technologies.

Key Stats:

• 51-100 employees (30% R&D specialists)

• 10+ patents in silicone foaming and composites

• 5,000+ tons annual production capacity

 

Core Strengths

1. Technological Innovation

• DC800 Series Foamed Silicone:

  • Self-foaming technology (no external agents)

  • Wide density range (0.05-0.5g/cm³) for customizable cushioning/sealing

• DC400 Fireproof Series:

  • Ceramicizes at 500°C, preventing thermal runaway in EV batteries

2. Certifications & Compliance

• Quality: ISO9001, IATF16949 (automotive)

• Safety: UL94 V-0 flame retardant, EU RoHS/REACH

• Sustainability: SGS-certified low VOC emissions

Success Stories

 

Case Study 1: Thermal Runaway Protection for EV Battery Packs

Client: Top 3 Global EV Manufacturer
Problem: Battery fires due to thermal propagation.
Solution:

• DC400 ceramicized silicone layers between cells.

• Result: 30-minute fire containment (exceeding GB38031-2020 standard).

Case Study 2: Lightweighting Energy Storage Cabinets

Client: Tier-1 Energy Storage Supplier
Problem: Heavy thermal pads reduced portability.
Solution:

• DC10 aerogel-infused thermal pads (0.8W/mK conductivity, 50% lighter).

• Result: 15% weight reduction without sacrificing heat dissipation.

 

Sustainability Commitment

1. Eco-Friendly Production

• Zero-waste water: Closed-loop recycling system.

• Low-carbon materials: 30% bio-based silicone in development.

2. Green Product Lines

• Recyclable foamed silicone (DC800-E series).

• Halogen-free flame retardants (meeting IEC 61249-2-21).

3. Partnerships for Impact

Collaborating with Hangzhou Low-Carbon Lab to achieve carbon-neutral production by 2028.

 

Client Testimonials

"Dachuang Kehua's DC800 foam solved our battery sealing challenges with exceptional temperature resistance. Their team's responsiveness was outstanding."
- Engineering Director, Leading EV Battery OEM

"The only supplier that met our UL94 V-0 and IP68 requirements simultaneously. Highly recommend for critical applications."
- Procurement Manager, Global 5G Infrastructure Co.

Certifications

 

FAQ

1. Are you a manufacturer or trading company?

We are a certified factory specializing in advanced polymer materials and electronic adhesives, with our own R&D center and production facilities in Hangzhou, China.

2. Do you provide OEM/ODM services?

Yes, we offer comprehensive OEM/ODM solutions including:

• Private label packaging

• Custom formulations (colors, hardness, additives)

• Proprietary material development
  All while strictly protecting your brand IP and market interests.

  3. How can I become a distributor?

  We're actively expanding our global network and welcome inquiries from qualified partners. Distributors enjoy:
  Priority technical support
  Market-specific pricing
  Co-branding opportunities
  Contact our partnership team to discuss territory availability and program details.

  4. How do I request samples?

  We provide free samples (customer pays shipping) for qualified inquiries. Simply:

• Share your application requirements

• Specify desired materials

• Provide shipping details
  Most samples ship within 72 hours of request approval.

• 5. What are your production lead times?

• Prototypes: 3-7 business days
  Standard orders: 10-15 business days
  Large/custom orders: 15-30 business days
  Expedited options available

• 6. What's the order process?

  Our streamlined workflow:

• Consultation: Technical requirements review

• Quotation: Volume pricing with MOQ options

• Deposit: 30% to initiate production

• Quality Check: Pre-shipment inspection reports

• Balance Payment: Before dispatch

• Shipping: With real-time tracking

•  

• 7. What shipping methods do you offer?

  We support flexible global shipping:

• Express: DHL/UPS/FedEx (3-5 days)

• Air Freight: (5-10 days)

• Sea Freight: (20-45 days)
  Customs clearance assistance available

• 8. What's your quality assurance process?

  All products undergo:
  Raw material inspection
  In-process quality checks
  Final batch testing (with certificates)
  Pre-shipment verification

• 9. Can you help with material selection?

  Our engineers provide:

• Application analysis

• Material compatibility testing

• Failure mode evaluation

• Regulatory compliance guidance.