DOWSIL EA-4900 Fast Tack-Free Silicone Adhesive with UL 94 V-0 Rating and High Dielectric Strength for Circuit Board Sealing
Price:
150
MOQ:
1
Delivery Time:
3-5
Brand:
DOWSIL
Product Description
DOWSIL EA-4900 Circuit Board Sealing Adhesive
White RTV Alkoxy Cure Silicone for Electronics - A one-part, no-mix-required adhesive that cures at room temperature via moisture absorption.
Product Overview
This white alkoxy cure RTV silicone adhesive is specifically designed for sealing equipment and modules on circuit boards. It features fast curing, excellent electrical properties, and meets UL 94 V-0 flammability standards.
Key Features
- One-part alkoxy cure RTV silicone adhesive
- Fast tack-free time: 5 minutes at 25°C
- UL 94 V-0 flammability rating
- Excellent dielectric strength and volume resistivity
- Operational temperature range: -45°C to 200°C
- Low molecular siloxane content <300 ppm
Technical Specifications
| Property | Unit | Value |
|---|---|---|
| One/Two Part | - | One |
| Color | - | White |
| Extrusion Rate | g/min | 2,131 |
| Specific Gravity | - | 1.70 |
| Tack Free Time @25°C | minutes | 5 |
| Tensile Strength | MPa | 4.0 |
| Elongation | % | 31 |
| Shore A Hardness | - | 80 |
| Adhesion to Aluminum (lap shear) | MPa | 1.6 |
| Adhesion to Glass (lap shear) | MPa | 0.4 |
| Dielectric Strength | kV/mm | 25 |
| Volume Resistivity | ohm*cm | 1.0×10¹⁶ |
| Dielectric Constant @100 kHz | - | 3.71 |
| Dissipation Factor @100 kHz | - | 0.0118 |
| Thermal Conductivity | W/m*K | 0.7 |
| UL Flammability | - | 94 V-0 |
Application Scenarios
Ideal for sealing power modules, industrial controllers, LED driver modules, and sensor encapsulation. Provides excellent moisture protection and electrical insulation for circuit board applications.
About Our Company
Shenzhen Huazhisheng New Material Technology Co., Ltd. is a professional industrial adhesives and sealants supplier serving global markets since 2018.
Market Distribution
Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).
Product Portfolio
We supply high-performance adhesives and sealants from global industry leaders including Cemedine, Dow Corning, Shin-Etsu, Araldite, Momentive, and other premium manufacturers.
Quality Assurance
Our comprehensive quality control includes mandatory pre-production sample approval, final inspection before shipment, and international certifications: SGS, UL, FDA, RoHS, REACH.
Competitive Advantages
- Reliable Supply: Authentic products from top manufacturers
- Expert Support: Technical guidance for optimal product selection
- Global Compliance: Certifications meeting target market standards
- Efficient Service: Customized solutions & professional support
Service Offerings
Delivery: EXW/FOB/CIF | Payment: USD/EUR/CNY/HKD via T/T, L/C | Support: Technical consultation & logistics coordination
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Huazhisheng New Material Technology Co., Ltd.
Location
101, No. 130 Fengping Road, Shitouling Industrial Zone, Wulian Village, Fenggang Town, Dongguan City, Guangdong Province, China
Contact Person
ouyang