What is the manufacturing process of fiberglass? | FUNAS Guide
Explore the step-by-step fiberglass manufacturing process for thermal insulation professionals, covering raw materials, melting, fiberizing, and quality control.
Supports sustainable building standards.
References
- Glass Manufacturing Council. “About Glass Fibers.” 2023.
- Owens Corning. “Fiberglass Insulation Technical Data.”
- ASTM International. “Standard Specification for Glass Fiber Thermal Insulation,” C553.
The manufacturing process of fiberglass combines precise material blending, state-of-the-art melting, and fiberizing technology. This results in versatile insulation products, meeting the stringent requirements of today’s energy-efficient, safe, and sustainable buildings. For detailed product solutions, contact FUNAS.

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FAQ
Can your insulation products be customized?
Yes, we offer customized solutions for insulation material wholesale to meet the specifications of your project, including custom specifications, sizes, foils and adhesives, colors, etc.
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How does your technical support work?
Our technical support team is available to guide you through every stage of your project—from product selection and design to installation. We provide expert consultation to ensure that you get the best insulation solution for your needs and can assist with troubleshooting if needed.
What types of rubber foam insulation products do you offer?
We offer a wide range of rubber foam insulation products, including custom shapes and sizes, thermal and acoustic insulation solutions, and options with specialized coatings such as flame retardancy and water resistance. Our products are suitable for applications in HVAC, automotive, construction, and more.
What is your shipping and delivery process like?
We offer reliable logistics services for insulation material wholesale, both domestically and internationally. Our team ensures secure packaging, timely shipping, and real-time tracking so that your order reaches you in perfect condition and on schedule.
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