Privacy Policy

Last updated: January 21, 2026

Chemcasts (“we”, “our”, or “the Site”) is an engineering education and reference platform that provides chemical properties, thermodynamic profiles, calculators, unit converters, articles, and flashcards. We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, and safeguard your information when you visit chem-casts.com. By using this Site, you agree to the terms of this Privacy Policy.

1. Information We Collect

We may collect information in the following ways:

a) Information You Provide Directly

When you contact us (via email or LinkedIn), you may provide:

  • Name
  • Email address
  • Message content
  • Any other information you choose to share

We only use this data to respond to inquiries.

b) Automatically Collected Information

When you access the Site, certain data is collected automatically, including:

  • IP address
  • Browser type
  • Device information
  • Pages visited
  • Time spent on the site
  • Referring URLs

This information is collected for analytics, site functionality, and security.

c) Cookies & Tracking Technologies

The Site uses:

  • Cookies
  • Web beacons
  • Local storage
  • Analytics scripts

These help improve user experience, measure traffic, and support advertising.

2. How We Use Your Information

We use collected information to:

  • Improve website performance and user experience
  • Analyze traffic and usage patterns
  • Provide, maintain, and update content and tools
  • Respond to user inquiries
  • Display relevant advertisements
  • Ensure security and detect misuse

We do not sell personal information.

3. Google AdSense & Advertising Disclosure

This Site uses Google AdSense, a third-party advertising service. Google and its partners may use cookies to:

  • Serve ads based on your interests
  • Display relevant advertisements
  • Measure ad performance

Google uses the following cookies and technologies:

  • Google Advertising Cookies
  • DoubleClick Cookie
  • Personalized Ads Cookie

You can manage or disable personalized Google ads at: https://www.google.com/settings/ads or use the industry opt-out page: https://www.aboutads.info/choices.

4. Third-Party Services We Use

We may use third-party service providers, including but not limited to:

  • Google Analytics — traffic measurement & usage statistics
  • Google AdSense — advertising
  • LinkedIn — communication & professional networking
  • Cloud hosting/CDN providers — site performance

These third parties may collect usage data through cookies or tracking technologies. Please review their privacy policies for details on how they handle data.

5. International Users & Legal Basis (GDPR/CCPA Notice)

If you are located in the EU/EEA, UK, or California, you may have additional rights over your personal data. Depending on your region, you may have the right to:

  • Request access to your data
  • Request correction or deletion
  • Object to processing
  • Withdraw consent
  • Request a copy of your data

To exercise these rights, contact: chemcasts.wb@gmail.com. We will respond to valid requests in accordance with applicable laws.

6. Children’s Privacy

Chem-casts does not knowingly collect personal information from children under 13. If you believe a child has provided us data, notify us immediately and we will remove it. The Site is intended for educational and informational use only.

7. Data Security

We use reasonable technical measures to safeguard information, including:

  • HTTPS encryption
  • Secure hosting
  • Basic access controls

However, no method of transmission or storage is 100% secure. Use the Site at your own discretion.

8. Links to External Websites

Our Site contains links to external websites, tools, and resources. We are not responsible for:

  • Their content
  • Their privacy policies
  • Their data practices

Please review their policies before using external services.

9. Educational Purpose Only

Chem-casts provides data and tools for educational and informational purposes. We do not provide:

  • Industrial design approvals
  • Process safety recommendations
  • Professional engineering services
  • Regulatory compliance guidance

All engineering calculations should be validated with relevant standards, safety codes, and licensed professional judgment.

10. Updates to This Policy

We may update this Privacy Policy from time to time. The “Last Updated” date will reflect the most recent revision. Continued use of the Site constitutes acceptance of the updated policy.

11. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy, contact us at chemcasts.wb@gmail.com. We aim to respond within 2–3 business days.