Long-Lasting Sealant for Electronic Potting Applications and Solutions

Product Details
Customization: Available
Material: Organic Silicone
Application: Household, Medical, Industrial, Agricultural
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  • Long-Lasting Sealant for Electronic Potting Applications and Solutions
  • Long-Lasting Sealant for Electronic Potting Applications and Solutions
  • Long-Lasting Sealant for Electronic Potting Applications and Solutions
  • Long-Lasting Sealant for Electronic Potting Applications and Solutions
  • Long-Lasting Sealant for Electronic Potting Applications and Solutions
  • Long-Lasting Sealant for Electronic Potting Applications and Solutions
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  • Overview
  • Packaging & Shipping
  • Product Description
  • Our production
  • Quality management
  • Product applications
  • Certifications
  • Company Profile
  • FAQ
Overview

Basic Info.

Model NO.
glue
Certification
ISO, REACH, RoHS
Storage Method
in a Cool Place Below 27ºC
Validity Period
1 Year
Transport Package
Carton + Customized
Specification
customized
Trademark
Dachuang Kehua
Origin
China
HS Code
3506990000
Production Capacity
1000000 Sqm/Week

Product Description

 
Packaging & Shipping
Package Material
plastic or Aluminum film
Package Size      
300mL and 590mL
Long-Lasting Sealant for Electronic Potting Applications and Solutions
Product Description

Dachuang Kehua Potting Compound is a high-performance material with an extended application period, making it ideal for large-scale automated production lines. It exhibits excellent adhesion to various substrates and, once cured, delivers waterproofing, resistance to extreme temperatures, weather durability, and thermal conductivity.

We provide customized potting compound solutions for a wide range of applications, including:

  • New Energy

  • Military & Defense

  • Medical

  • Aerospace

  • Marine

  • Electronics

  • Automotive

  • Home Appliances

  • Instrumentation

  • Power Supplies

  • High-Speed Rail

Key Features:

Superior electrical insulation & chemical stability
Weatherproof, waterproof, moisture-proof, and shock-resistant
Non-corrosive, non-toxic, and odorless
Easy to pour, deep-curing capability
Low shrinkage, simple operation
Long-term usability in -65°C to 250°C environments

This versatile potting compound ensures reliable protection and performance across demanding industrial applications.
Long-Lasting Sealant for Electronic Potting Applications and Solutions

Dachuang Kehua Potting Adhesive - Advanced Protection for Mission-Critical Electronics

Engineered for Peak Performance & Reliability

Dachuang Kehua's high-performance potting adhesive ensures ultimate protection for sensitive electronics, combining superior insulation, extreme durability, and long-lasting resilience in demanding environments.

 

Key Advantages

Superior Electrical Insulation - Prevents short circuits and shields components from moisture, dust, and contaminants.

Extreme Temperature Resistance - Stable from -50°C to 200°C, ensuring reliability in harsh conditions.

Engineered Flexibility - Absorbs vibrations, thermal expansion, and mechanical stress for automotive, industrial, and high-impact applications.

Universal Adhesion - Strong bonding to metals, plastics, and ceramics without compromising performance.

Eco-Safe & Compliant - Non-toxic, halogen-free, and RoHS-compliant-ideal for medical, renewable energy, and consumer electronics.

Fast & Efficient Curing - Optimized for production efficiency with predictable curing times to minimize downtime.

Chemical & Aging Resistance - Withstands oils, solvents, and corrosive agents for long-term protection.

 

Trusted Across Industries

Automotive Electronics - Protects battery systems, sensors, and control modules
Energy Storage & Renewables - Ensures durability in solar inverters and battery packs
5G & Telecom Infrastructure - Safeguards sensitive RF and power components
Industrial & Medical Devices - Reliable encapsulation for high-stakes applications

 

Why Choose Dachuang Kehua?

Cutting-Edge Material Science - Advanced formulations for unmatched protection
Rigorous Quality Standards - Consistent performance in critical applications
Custom Solutions Available - Tailored viscosity, curing speed, and material properties

Secure Your Electronics with Industry-Leading Potting Solutions - Contact Dachuang Kehua Today!

3. parameters 

Foamed Silicone Products - Technical Specification Table

Serial number Testing item Implementation Standards Unit Brand
        DC2220 DC2240 DC2260
1 Viscosity A GB/T2794-2013 mpa-s 5100±500 5100±500 5100±500
2 Viscosity B GB/T2794-2013 mpa-s 4900±500 4900±500 4900±500
3 Specific Gravity GB/13477.2-2002 / 0.2 0.4 0.6
4 Operable time GB/T13477.5-2002 min 5 20 20
5 Tensile strength GB/T528-2009 Mpa >0.25 >0.35 >0.5
6 Elongation GB/T528-2009 % >65 >90 >110
7 Volume resistance ASTM D257 Q-cm >1014 >1014 >1014
8 Voltage resistance ASTM D149 kV/mm >18 >18 >18
9 Flame retardancy UL-94 / V-0 V-0 V-0
10 Thermal conductivity (W/m-k) ASTM D5470 / 0.05 0.07 0.09

Thermally Conductive Potting Adhesives

Serial number

Testing items

Implementation Standards

Unit

Brand

       

DC2108

DC2110

DC2115

1

Viscosity A

GB/T 2794-2013

mpa-s

5100±500

9000±500

20500±500

2

Viscosity B

GB/T 2794-2013

mpa-s

4900±500

8900±500

20000±500

3

Specific Gravity

GB/13477.2-2002

/

1.7

1.9

2.1

4

Surface drying time

GB/T13477.5-2002

min 25°C

60

60

60

5

Curing time

GB/T13477.5-2002

h 25°C

24

24

24

6

Volume resistance

ASTM D257

Qcm

>1014

>1014

>1014

7

Voltage resistance

ASTM D149

kV/mm

>18

>18

        >18

8

Flame retardancy

UL-94

/

V-0

V-0

          V-0

9

Thermal conductivity (W/m-k)

ASTM D5470

/

0.8

1

1.5

Our production
Long-Lasting Sealant for Electronic Potting Applications and Solutions  

Precision Potting Adhesive Manufacturing Process

Dachuang Kehua's advanced production workflow ensures superior quality and performance in every batch of potting adhesive.

1. Material Selection & Preparation

  • Base Components: High-purity silicone resins, curing agents, and performance-enhancing additives (flame retardants, stabilizers, pigments)

  • Precision Formulation: Materials are weighed and mixed in exact ratios to achieve target properties:
    Optimal viscosity
    Temperature resistance (-50°C to 250°C)
    Electrical insulation

2. Homogenization & Quality Enhancement

  • Uniform Blending: High-shear mixing under controlled temperature/pressure

  • Additive Integration: Custom pigments, thickeners, or specialty fillers added as required

  • Bubble Elimination: Vacuum processing ensures defect-free consistency

3. Degassing (Critical for High-Performance Applications)

  • Vacuum Chamber Treatment: Removes 99%+ of trapped air to prevent:
    Electrical voids
    Thermal hotspots
    Mechanical weaknesses

4. Precision Application Methods

Method Application Advantage
Molding Complex shapes (sensors, automotive parts) Perfect dimensional accuracy
Automated Dispensing High-volume electronics Millimeter-level precision

5. Advanced Curing Technology

  • Room Temperature Cure: 24-72 hour process for stress-free hardening

  • Heat Accelerated Cure: 60-150°C oven curing (30min-4hr) for rapid turnaround

  • Dual-Cure Systems: UV-initiated + thermal completion for hybrid applications

6. Post-Curing Optimization

  • Performance Enhancement: Secondary heat treatment improves:
    30% greater tensile strength
    Enhanced chemical resistance
    Superior thermal stability

7. Rigorous Quality Assurance

  • Electrical Testing: 100% dielectric strength verification

  • Thermal Analysis: DSC/TGA for temperature resistance validation

  • Mechanical Tests: ASTM D412/D624 compliance checks

8. Smart Packaging Solutions

  • Oxygen-Moisture Barrier Bags with desiccant

  • Precision Dispensing Options:
    • Cartridges (50ml-300ml)
    • Bulk pails (5kg-20kg)
    • Custom pre-mixed dual-component kits

9. Logistics Excellence

  • Climate-controlled storage (15-25°C)

  • Global shipping with real-time temperature monitoring

Why Our Process Matters:

  • Zero Defect Policy: 100% batch traceability

  • IATF16949/ISO9001 Certified production

  • Custom Engineering Support from R&D to delivery

This controlled manufacturing process ensures our potting adhesives deliver:
 10+ year service life in harsh environments
 UL94 V-0 flame resistance
 IP68 waterproof protection

Quality management

Long-Lasting Sealant for Electronic Potting Applications and Solutions
Foamed Silicone Production - Quality Control Key Points

1. Raw Materials Inspection

Checkpoint What to Check Method / Standard
Silicone base quality Viscosity, purity, batch uniformity Material CoA, viscosity meter
Foaming agent quality Activation temperature, decomposition profile DSC/TGA analysis
Additives Functionality (curing agent, color, antistatic, etc.) Visual, functional check, TDS review
Storage conditions Proper labeling, shelf life, contamination-free Warehouse audit
 

2. Compounding / Mixing Control

Checkpoint What to Check Method / Standard
Mixing uniformity Homogeneity of compound Visual check, small test mold
Degassing efficiency Air bubble removal Vacuum check, visual bubble count
Batch consistency Color, viscosity, reactivity Rheometer, rotational viscometer
Temperature control Maintain ideal mix temp (esp. for LSR) Digital thermometer
 

3. Molding & Foaming Process Control

Checkpoint What to Check Method / Standard
Mold temperature Consistent curing/foaming activation Thermocouples, infrared sensors
Foaming uniformity Consistent bubble size & distribution Cross-section inspection
Cell structure Closed-cell or open-cell confirmation Microscopic or dye-penetration test
Curing completeness Ensure full vulcanization Solvent rub test, tensile strength check
Dimensional accuracy Part dimensions, thickness uniformity Vernier calipers, laser profile gauge
 

4. Thermal & Mechanical Properties

Checkpoint What to Check Method / Standard
Hardness Shore A (typ. 16-20 for foamed silicone) Shore A durometer (ASTM D2240)
Density Confirm correct foaming level Gravimetric method (ASTM D792)
Tensile strength Tear resistance and stretch durability Universal testing machine (ASTM D412)
Elongation % elongation at break Tensile test (ASTM D412)
Compression set Permanent deformation after compression ASTM D395
Recovery rate Bounce-back rate after deformation Compression recovery test
 

5. Chemical & Environmental Resistance

Checkpoint What to Check Method / Standard
UV resistance Surface discoloration or degradation UV chamber exposure (ASTM G154)
Water absorption Measure weight increase after submersion ASTM D570
Chemical resistance Resistance to oils, solvents, acids Soak test in target chemical environment
Flame resistance Self-extinguishing or not UL94 or ASTM D635 (if applicable)
 

6. Surface Quality & Appearance

Checkpoint What to Check Method / Standard
Surface texture Grid or smooth pattern quality Visual / tactile inspection
Defects Cracks, pinholes, inclusions Visual inspection under light
Color uniformity Consistent coloring across batch Visual + colorimeter (optional)
 

7. Final Product Testing & Documentation

Checkpoint What to Check Method / Standard
Traceability Batch number, production date, operator log Labeling + system records
Label accuracy Specs, warning, certification labels Checklist-based inspection
Packaging integrity Damage, contamination, sealing Drop test, vibration test (if needed)
Certifications RoHS, REACH, FDA, etc. compliance Third-party testing reports / CoC
 

Quality Tools to Support Management

  • SPC (Statistical Process Control) charts

  • FMEA (Failure Mode and Effects Analysis)

  • Control Plans

  • First Article Inspection (FAI)

  • Process Capability Index (Cp, Cpk) monitoring

  • Internal Audits & ISO 9001/ISO 13485 compliance

 

 




 
Product applications

Dachuang Kehua Potting Adhesive - Advanced Solutions for Modern Construction & Engineering

Innovative Applications Across Industries

1. Curtain Wall Systems: Superior Sealing Performance

Dachuang Kehua's high-performance silicone sealants, based on polydimethylsiloxane (PDMS) technology, deliver unmatched protection for modern architectural facades:

  • Structural Glazing: Secure bonding for glass curtain wall systems

  • Weatherproof Joints: Durable sealing for glass and stone curtain walls

  • Technical Advantages:

    • Exceptional UV resistance

    • Temperature stability (-40°C to 150°C)

    • Strong adhesion to glass, metal, and stone substrates

2. Insulated Glass Units (IGUs): Next-Generation Performance

Our advanced bonding solutions enable premium IGU systems that outperform conventional double glazing:

  • Industry-Leading Specifications:

    • U-values as low as 1.0 W/(m²·K)

    • Noise reduction up to 50 dB

    • Full compliance with EN 1279 & ASTM E2190 standards

  • Key Benefits:

    • Enhanced thermal and acoustic insulation

    • Lightweight structural design

    • Superior energy efficiency

    • Frost resistance for harsh climates

3. High-Performance Doors & Windows

Meeting modern demands for energy-efficient, durable fenestration systems:

  • Critical Sealant Functions:

    • Waterproofing and airtight sealing

    • Thermal and acoustic insulation

    • Structural bonding between glass and metal frames

  • Material Advantages:

    • Excellent metal-glass adhesion (especially for aluminum alloys)

    • Weather and temperature resistance

    • Long-term durability under stress

4. Prefabricated Construction: The Future of Building

Supporting China's green development initiatives with advanced sealing solutions:

  • Industry Challenges Addressed:

    • Weatherproofing against extreme conditions

    • Seismic and chemical resistance

    • Long-term performance maintenance

  • Our Solution Delivers:

    • Exceptional weather resistance

    • Elastic recovery after deformation

    • Stability in harsh environments

    • Compliance with green building standards

Why Choose Dachuang Kehua?

Technical Leadership: Cutting-edge formulations for demanding applications
Comprehensive Protection: From thermal stress to seismic activity
Quality Assurance: Meeting international performance standards
Sustainable Solutions: Supporting green construction initiatives

Engineer with Confidence - Partner with Dachuang Kehua for Advanced Construction Sealing Solutions


    • Long-Lasting Sealant for Electronic Potting Applications and Solutions

 
Certifications
 

 

Long-Lasting Sealant for Electronic Potting Applications and Solutions

Major Certifications

(1) Compression Set Performance

  • Standard: ASTM D1056-20

  • Test Protocol: 1,000 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: Exceptional long-term resilience and thermal stability across all grades.

(2) Dielectric Strength

  • 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: Superior insulation performance for high-voltage and sensitive electronics.

(3) Environmental & Safety Compliance

  • RoHS: Fully compliant with EU Directive 2011/65/EU and amendment (EU) 2015/863 (restricted substances below regulatory limits).

  • REACH: No SVHCs (Substances of Very High Concern) detected.

  • Halogen-Free: Undetectable levels of fluorine (F), chlorine (Cl), bromine (Br), and iodine (I).

  • Certification Body: SGS

  • Highlights: Eco-friendly, non-toxic, and safe for medical, consumer, and food-contact applications.

(4) Low-Temperature Flexibility

  • Standard: ASTM D1056-14

  • Test Protocol: 180° bend at -55°C for 24 hours

  • Results: No cracking or deformation

  • Highlights: Maintains flexibility and structural integrity in extreme cold-ideal for harsh environments.

 

3. Core Advantages

Broad Temperature Resistance

  • Operating range: -55°C to 125°C

  • Stable performance over 1,000+ thermal cycles

Reliable Mechanical Strength

  • Compression set ≤ 4.2% (all variants)

  • Minimal fatigue under prolonged stress

Superior Electrical Insulation

  • Dielectric strength ≥ 3.0 kV/mm

  • Optimized for high-voltage and precision electronics

Full Environmental Compliance

  • Certified RoHS, REACH, and halogen-free

  • Safe for medical, automotive, and food-grade use

Customizable & Versatile

  • Available in grades DC800-015 to DC800-055

  • Adjustable thickness, hardness, and functional properties

 

4. Key Application Areas

Electronics: Shock-absorbing pads, EMI shielding seals
Automotive: Weather seals, vibration dampening components
Medical Devices: Biocompatible, non-toxic materials
Industrial Equipment: Durable gaskets, sealing systems

 

5. Quality Assurance

  • All certifications issued by SGS (globally recognized third-party testing).

  • Traceable test reports:

    • Compression Set: SUIN21080062XXMR_CN

    • Dielectric Strength: SHIN210805363XMR_CN

    • Environmental Compliance: SHAEC2116203002/4002

 

Conclusion

With internationally certified performance, superior material properties, and strict environmental compliance, Dacchuang Kehua's DC800 foamed silicone series is the ideal choice for high-reliability, safety-critical applications. We deliver innovative, sustainable, and high-performance silicone solutions tailored to industry demands.

Company Profile


Long-Lasting Sealant for Electronic Potting Applications and Solutions
Long-Lasting Sealant for Electronic Potting Applications and Solutions

Hangzhou Dachuang Kehua New Materials Co., Ltd. - Innovating Advanced Silicone Solutions

Company Profile

Hangzhou Dachuang Kehua New Materials Co., Ltd. is a national high-tech enterprise focused on the research, production, and sales of high-performance silicone materials. Headquartered in Hangzhou's Qingshanhu Science and Technology City-a key hub within China's National Science and Technology Innovation Corridor-the company thrives on cutting-edge R&D and collaboration with top research institutions. With a team of industry experts, Dachuang Kehua has built an integrated platform for innovation, manufacturing, and sales, driving advancements in silicone material applications.

Key Advantages

Technology-Driven Innovation

  • Proprietary production processes for liquid/solid foamed silicone, thermal conductive materials, and potting compounds.

  • Breakthrough DC800 Series Liquid Foamed Silicone:

    • No external foaming agents required (eco-friendly).

    • Superior weather resistance, flame retardancy (UL94 V-0), and rebound performance.

Certified Excellence

  • ISO9001, IATF16949 (automotive standard).

  • Global compliance: UL/CUL, RoHS 2.0, REACH, SGS tested.

Industry-Specific Solutions
Tailored for new energy vehicles (EV batteries, charging piles), energy storage, 5G communications, and aerospace, offering:

  • Sealing (IP68), thermal management, shock absorption, and fireproofing.

Product Portfolio & Applications

1. Core Products

  • Foamed Silicone:

    • DC800 Series (low/medium/high density) - IP68 sealing, vibration damping, extreme temps (-55°C to 200°C).

    • DC900 Series (rigid foam) - Structural support, sound insulation.

  • Thermal Management:

    • DC10 Series pads & DC21 Series potting compounds - Lightweight heat dissipation for batteries.

  • Fireproof Materials:

    • DC400 Series ceramicized silicone - Thermal runaway protection.

  • High-Performance Composites:

    • DC600 Series (silicone + PTFE) - Chemical/corrosion resistance.

2. Key Industries Served

  • EV/Batteries: Cell cushioning, liquid cooling plate support, PACK sealing (IP68).

  • Energy Storage: Fireproof insulation, cabinet sealing (IP67).

  • 5G/Electronics: EMI shielding, housing waterproofing.

  • Construction/Industrial: PV inverters (UL94 V-0), steel structure seals.

R&D & Manufacturing Excellence

  • Advanced Testing Lab: 30+ performance tests (thermal, mechanical, flame resistance, etc.).

  • Automated Production: Precision mixing, vulcanization, and cutting for consistency.

Global Clientele

Partnering with industry leaders like CATL, BYD, Huawei, and global players in new energy, energy storage, and telecom.
 

FAQ

1. Are you a factory or trading company?
Yes, indeed! We are a dedicated factory specializing in the innovative development and application of cutting-edge polymer materials and high-end electronic adhesives.

2. Any OEM/ODM service?
Dachuang kehua proudly offers OEM services, ensuring comprehensive protection of your market rights while providing unparalleled customer support.
 
3. How to obtain samples?
Reach out to us to acquire your samples and experience our superior quality firsthand.
 
4. What is the delivery time?
Typically, sample orders are delivered within 3 to 7 days, while standard orders take approximately 7 to 20 days.
 
5. How to proceed with an order?
Start by informing us of your specific requirements. Next, we will provide a tailored quote based on your
detailed specifications or our expert suggestions. Once the details are confirmed, the customer deposits the order, and
we begin production. Finally, the balance is paid before shipment, ensuring a seamless process.

6. Shipment:
We offer express delivery options including DHL, UPS, FedEx, TNT, EMS, etc.
For larger orders, we recommend air or sea shipping through your chosen forwarder.
You can also use our trusted, long-term partnered agent for an effortless shipping experience.

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