Name: FPC Protection & Reinforcement UV Adhesive | Flexible Circuit Light Curing Glue 3768
Brand: Shenzhen Super- curing Opto-Electronic CO., Ltd
SKU: 3768
Price: 3.99 USD
Availability: InStock

Python
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  <div class="header-card">
    <h1>3791 UV Sealing Adhesive</h1>
    <div class="subtitle">High-Viscosity & High-Hardness Light Curing Adhesive for Glass & Metal Bonding</div>
    <p>Our 3791 UV sealing adhesive is specifically formulated for high-reliability LCD panel sealing and glass substrate welding. Delivering superior damp-heat resistance, high hardness, and strong adhesion to glass and metal substrates, it ensures robust sealing performance under demanding operating conditions.</p>
  </div>

  <table class="grid-table">
    <tr>
      <td>
        <div class="card">
          <div style="font-weight: 700; color: #0f172a; margin-bottom: 8px; font-size: 10pt;">Key Features</div>
          <ul>
            <li><strong>High Viscosity & Hardness:</strong> Ensures stable gap filling without slumping and excellent mechanical strength.</li>
            <li><strong>Superior Damp-Heat Resistance:</strong> Maintains durable bonding integrity under high temperature and humidity environments.</li>
            <li><strong>Excellent Substrate Adhesion:</strong> Exceptional bond strength on glass and metal surfaces.</li>
            <li><strong>High Dielectric Strength:</strong> Exceptional electrical insulation (23 kV/mm) for delicate electronic displays.</li>
            <li><strong>Single-Component System:</strong> Solvent-free, ready-to-use formulation with fast UV curing.</li>
          </ul>
        </div>
      </td>
      <td>
        <div class="card">
          <div style="font-weight: 700; color: #0f172a; margin-bottom: 8px; font-size: 10pt;">Applications</div>
          <ul>
            <li><strong>LCD Panel Sealing:</strong> Edge sealing and welding of glass substrates in liquid crystal displays.</li>
            <li><strong>Glass-to-Metal Bonding:</strong> Structural bonding of electronic glass components to metal frames.</li>
            <li><strong>Display Module Assembly:</strong> Optical component sealing requiring high humidity resistance.</li>
            <li><strong>Precision Electronics Sealing:</strong> Protecting sensitive circuitry against moisture and environmental stress.</li>
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  <div class="section-title">Technical Specifications</div>
  <table class="spec-table">
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        <th style="width: 45%;">Property / Parameter</th>
        <th style="width: 55%;">Specification Value</th>
      </tr>
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    <tbody>
      <tr>
        <td><strong>Color / Appearance</strong></td>
        <td>Amber Transparent</td>
      </tr>
      <tr>
        <td><strong>Viscosity (25°C)</strong></td>
        <td>20,000 ± 2,000 mPa·s</td>
      </tr>
      <tr>
        <td><strong>Curing Condition</strong></td>
        <td>1000 mJ/cm² (UV Light)</td>
      </tr>
      <tr>
        <td><strong>Hardness (Shore D)</strong></td>
        <td>78</td>
      </tr>
      <tr>
        <td><strong>Glass Transition Temperature (Tg)</strong></td>
        <td>75°C</td>
      </tr>
      <tr>
        <td><strong>Dielectric Strength</strong></td>
        <td>23 kV/mm</td>
      </tr>
      <tr>
        <td><strong>Shelf Life</strong></td>
        <td>12 months at 8–28°C</td>
      </tr>
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        <td><strong>Standard Packaging</strong></td>
        <td>1 kg / bottle</td>
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  <div class="section-title">Packaging & Storage</div>
  <div class="card" style="margin-bottom: 20px;">
    <p style="margin: 0 0 6px 0;"><strong>Standard Packaging:</strong> 1 kg bottle. Store in a cool, dry place at 8–28°C away from direct sunlight and heat sources.</p>
    <p style="margin: 0;"><strong>Customization:</strong> Contact us for custom packaging sizes, OEM formulation, or specialized viscosity adjustments upon request.</p>
  </div>

  <div class="section-title">Frequently Asked Questions (FAQ)</div>

  <div class="faq-item">
    <div class="faq-q">Q1: How does 3791 UV adhesive cure and what is the curing energy required?</div>
    <div class="faq-a">A: It cures rapidly under UV light with a recommended cumulative UV energy of 1000 mJ/cm². Curing speed depends on UV intensity, wavelength, and layer thickness.</div>
  </div>

  <div class="faq-item">
    <div class="faq-q">Q2: What substrates can 3791 UV adhesive bond?</div>
    <div class="faq-a">A: It is specially designed for glass and metal substrates, offering strong adhesion for ITO glass, glass panels, aluminum, stainless steel, and alloy frames.</div>
  </div>

  <div class="faq-item">
    <div class="faq-q">Q3: Is this adhesive suitable for damp-heat and harsh environmental conditions?</div>
    <div class="faq-a">A: Yes. 3791 features outstanding damp-heat resistance and a high Tg (75°C), ensuring long-term reliability without delamination in warm and humid environments.</div>
  </div>

  <div class="faq-item">
    <div class="faq-q">Q4: What makes 3791 ideal for LCD panel welding and edge sealing?</div>
    <div class="faq-a">A: Its high viscosity (20,000 ± 2,000 mPa·s) prevents overflow during application, while high hardness (78 Shore D) and high dielectric strength (23 kV/mm) provide structural stability and electrical insulation.</div>
  </div>

  <div class="faq-item">
    <div class="faq-q">Q5: What are the storage requirements and shelf life?</div>
    <div class="faq-a">A: The product has a shelf life of 12 months when stored in its original tightly sealed container at 8–28°C in a cool, dry place away from light.</div>
  </div>

  <div class="faq-text footer-text">
    © 2026 Advanced Material Solutions. Technical data subject to change without notice.
  </div>

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weasyprint.HTML("3791_UV_Sealing_Adhesive_TDS.html").write_pdf("3791_UV_Sealing_Adhesive_TDS.pdf")
print("PDF generated successfully.")

代码输出
PDF generated successfully.

3768 FPC Reinforcement & Protection UV Adhesive

Product Description

Our 3768 UV adhesive is specially engineered for FPC (Flexible Printed Circuit) reinforcement, encapsulation, and strain relief. Featuring exceptional flexibility, low toxicity, and superior damp-heat resistance, it delivers reliable mechanical protection against dynamic bending and harsh environmental conditions.

Key Features

Outstanding Flexibility & Bending Resistance: Prevents cracking and delamination under repetitive dynamic flexing.
Low Toxicity Formulation: Eco-friendly, safe, and operator-friendly single-component system.
Superior Damp-Heat Endurance: Maintains robust physical and electrical properties under high temperature and humidity.
Optimized Viscosity (7,000 mPa·s): Ideal flowability for precise dispense coating and trace encapsulation.
High Dielectric Strength: Excellent 20 kV/mm electrical insulation for fine-pitch circuit designs.

Applications

FPC Reinforcement & Encapsulation: Mechanical strain relief for solder joints and flexible circuit connectors.
Flexible Electronics Protection: Protective coating for wearable devices, foldable display circuits, and mobile phone components.
Terminal & Connector Sealing: Protecting delicate wire leads and flexible board joints against environmental stress.
Precision Component Potting: Encapsulating micro-electronic components subject to dynamic vibration.

Technical Specifications

Property / Parameter	Specification Value
Color	Light Yellow Transparent
Viscosity (25°C)	7,000 ± 1,000 mPa·s
Curing Condition	600 mJ/cm²
Hardness (Shore D)	55
Glass Transition Temperature (Tg)	60°C
Dielectric Strength	20 kV/mm
Shelf Life	12 months at 8–28°C
Standard Packaging	250 ml / 1 kg

Packaging & Storage

Standard Packaging: Available in 250 ml light-shielded syringes/bottles and 1 kg standard bottles.

Storage: Store at 8–28°C in a cool, dry place away from direct sunlight. Contact us for custom formulations or OEM packaging options.

Frequently Asked Questions (FAQ)

Q1: How fast does 3768 FPC protection UV adhesive cure?

A: It cures rapidly under UV irradiation at a recommended cumulative energy of 600 mJ/cm². Actual cure speed depends on the UV light source, wavelength, and coating thickness.

Q2: Why is flexibility and bending resistance crucial for FPC encapsulation?

A: Flexible printed circuits undergo frequent bending and twisting during assembly and operation. The high flexibility of 3768 (Shore D 55) ensures the adhesive absorbs strain without cracking or peeling.

Q3: How does 3768 perform in high humidity and high temperature environments?

A: With superior damp-heat resistance and a Tg of 60°C, 3768 maintains excellent adhesion and insulation resistance under double-85 (85°C / 85% RH) environmental testing.

Q4: Can 3768 be used with automatic dispensing machines?

A: Yes. Its viscosity of 7,000 ± 1,000 mPa·s is perfectly optimized for automatic needle dispensing and jetting systems without tailing or air bubbles.

Q5: What packaging options are available for 3768?

A: We offer 250 ml cartridges for automatic dispensing lines and 1 kg bottles for manual or high-volume usage. Custom packaging can be arranged for OEM orders.

All Reviews

Kumar

India Mar 12.2026

Helpful (55)

This UV adhesive, specifically designed for curing lenses, works well on our company's PC lenses and FR4 boards, and we are very satisfied.

H*r

New Zealand Mar 11.2026

Helpful (15)

UV glue bonded my acrylic products very well it's extremely strong and has excellent adhesion

Color:	Transparent / Fluorescent Trace Available	Viscosity (25 Deg C):	7,000 ± 1,000 MPa·s
Curing Condition:	600 MJ/cm²	Hardness:	Shore D 55
Glass Transition Temperature:	Tg 60 Deg C	Shelf Life:	12 Months At 8-28 Deg C
Packaging:	1 Kg	Application:	Bonding Plastics To Metals, Injection Needle Hub Fixation
Highlight:	FPC protection UV adhesive , flexible circuit light curing glue , UV cure adhesive with warranty

FPC Protection & Reinforcement UV Adhesive | Flexible Circuit Light Curing Glue 3768