How is fiberglass insulation manufactured? | FUNAS Guide
Learn how fiberglass insulation is manufactured, including raw materials, processes, and quality checks. Expert, industry-focused insights designed for insulation professionals.
How is Fiberglass Insulation Manufactured?
This article explains the process of how fiberglass insulation is manufactured—a crucial topic for those seeking efficient, cost-effective thermal insulation materials. With professional expertise and authoritative data, we guide you through key steps, answering common search queries for fiberglass insulation manufacturing.
Raw Materials for Fiberglass Insulation
- Main Components: Silica sand, soda ash, limestone, and recycled glass (cullet) make up 95-98% of the batch.
- Additives: Small amounts of boron, alumina, and other compounds improve melting and fiber formation.
- Sustainability: Use of up to 60% recycled glass reduces environmental impact. *(Source: NAIMA)*
Batch Preparation and Melting
- Batch Mixing: Raw materials are carefully weighed and mixed for consistent quality.
- Melting Furnace: Mixture is heated in a furnace at temperatures around 1,400°C (2,550°F).
- Homogenization: Achieves a uniform, low-viscosity molten glass ready for fiberizing.
Fiberization Process
- Spinning Techniques: Molten glass passes through fine bushings or is spun at high speed, forming continuous fibers.
- Cooling: Rapid cooling solidifies filaments—diameter typically ranges from 3 to 25 microns.
- Binder Application: Fibers are coated with a specially formulated binder, enhancing mechanical strength and corrosion resistance.
Formation of Insulation Products
- Forming Blankets or Boards:
- Fibers are collected on a conveyor to form a mat or blanket.
- Gentle compression adjusts desired density and thickness.
- Curing Oven: Binder is thermally cured, bonding fibers into a stable structure.
- Cutting & Packaging: Insulation is trimmed to standard sizes and packaged for shipment.
Quality Control and Safety
- Testing for R-value: Ensures thermal performance meets ASTM C518 or similar standards.
- Emissions & Safety: Careful control of binder emissions; products must comply with international safety regulations (e.g., EUCEB, GREENGUARD).
- Traceability: Batch records and testing ensure consistent performance and meet regulatory requirements.
Industry Applications and Performance
- Versatility: Used in residential, commercial, and industrial settings for thermal and acoustic insulation.
- Fire Resistance: Fiberglass is naturally non-combustible—meets UL 723 fire safety standards.
- Lifespan: Offers decades of effective service with minimal degradation.
Further Reading & Authoritative Sources
- North American Insulation Manufacturers Association (NAIMA): (https://insulationinstitute.org)
- ASTM International - Fiberglass Insulation Standards: (https://www.astm.org)
- U.S. Department of Energy: (https://energy.gov)
For in-depth support or advanced technical data, contact the FUNAS technical team. Our expertise covers all aspects of thermal insulation materials manufacturing and best practices in the industry.
*Keywords: fiberglass insulation, fiberglass insulation manufacturing, thermal insulation materials, insulation manufacturing process*
Ultimate 2026 Guide to Car Noise Insulation: Silence Your Ride
Ultimate Guide to Rubber Sheets: How to Choose in 2026
Ultimate Guide to Glass Wool: Properties, Uses & Benefits
The Ultimate Guide to Glass Wool Insulation 2026
FAQ
What types of rubber foam insulation do you offer?
We offer a wide range of rubber foam insulation with different thicknesses and specifications. Thermal insulation material manufacturer FUNAS sleeves and sheets are suitable for different application scenarios.
What is the typical delivery time for custom orders?
Our daily production capacity is 800 cubic meters. Delivery time varies depending on the complexity of the insulation material wholesale order, but we can deliver large quantities of customized products within 4-6 weeks after the approval date, and small quantities can be delivered within 15 days.
How to start a consultation?
You can contact us through our website, phone, or email. We will arrange a professional staff to discuss your needs about best thermal insulator and how we can help you.
service
Can I request custom dimensions or properties for my insulation needs?
Yes, we specialize in custom solutions. Whether you need specific dimensions, thicknesses, densities, or additional coatings, we can work with you to manufacture insulation products tailored to your exact requirements of good materials for heat insulation.
You might also like
Wholesale Perfect Fire Resistant Performance High Strength Acoustic Mineral Wool Insulation Rock Wool Board Panel Plain Slab
Rock wool board, that is, a kind of exterior insulation material. When the market share of 90% of the organic thermal insulation materials in the stagnant wait-and-see, as a fire rating of A-class exterior insulation inorganic material rock wool, has ushered in an unprecedented market opportunity.
Environmentally friendly self spraying adhesive
This product has passed the national GB33372-2020 standard and GB18583-2008 standard. This product is a yellow liquid.
Anggu spray glue is a product with high cost performance and a wide application range. It is mainly used for home construction, engineering construction, and various construction defect repair places. This product is low odor, no formaldehyde, spray-convenient glue, table drying speed, long bonding time, no chalking.
138°High-temperature universal adhesive
This product has passed the EU REACH non-toxic standard and ROHS non-toxic standard. (This product is a yellow liquid).
Anggu 138°high temperature universal glue is a high-end product, with high viscosity, slow drying, curing of the adhesive layer, and a maximum resistance to continuous temperature of 138℃.
Wholesale Rock Wool Mineral Wool Board Panel Sheet
High-performance rock wool board for superior thermal and acoustic insulation. A reliable choice for building projects.
Leave a message
Have any questions or concerns about our products? Please leave us a message here and our team will get back to you promptly.
Your queries, ideas, and collaboration opportunities are just a click away. Let’s start a conversation.
