import weasyprint

html_content = """<!DOCTYPE html>
<html lang="en">
<head>
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</style>
</head>
<body>

  <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>
          </ul>
        </div>
      </td>
    </tr>
  </table>

  <div class="section-title">Technical Specifications</div>
  <table class="spec-table">
    <thead>
      <tr>
        <th style="width: 45%;">Property / Parameter</th>
        <th style="width: 55%;">Specification Value</th>
      </tr>
    </thead>
    <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>
      <tr>
        <td><strong>Standard Packaging</strong></td>
        <td>1 kg / bottle</td>
      </tr>
    </tbody>
  </table>

  <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>

</body>
</html>
"""

with open("3791_UV_Sealing_Adhesive_TDS.html", "w", encoding="utf-8") as f:
    f.write(html_content)

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

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