Industrial Grade E-Glass Alkali Free Dewaxed Heat Treated Fiberglass Fabric For Welding Blankets
Industrial-Grade E-Glass Alkali-Free Dewaxed Fiberglass Cloth Various Thickness For Fire Retardant Welding Blankets
Product Description
Dewaxed glass fiber cloth is a high-performance glass fiber fabric that has undergone special high-temperature or chemical treatment to remove surface paraffin type wetting agents (sizing agents). It is a key foundational material in the fields of composite material manufacturing, electronics industry, and high-end insulation.
Ordinary glass fibers are coated with a layer of "wetting agent" during the drawing process, mainly composed of paraffin, coupling agent, and film-forming agent, aimed at protecting the fibers, reducing wear, and facilitating textile processing. However, this layer of organic matter can hinder the direct bonding between resin or other matrix materials and glass fibers.
The dewaxing process is the process of removing these organic components through specific means:
Heat treatment method: Send the fiberglass cloth into a continuous dewaxing furnace, and at a high temperature of 300 ℃~400 ℃, completely melt and evaporate the paraffin type surface pre-treatment agent, making the fibers become exposed inorganic state.
Chemical treatment method: Some processes are supplemented with acid leaching (such as using 1.5-3.5 mol/L hydrochloric acid) and water washing to thoroughly remove residual impurities, ensuring that the fiber surface is clean and highly active.
Features
High temperature resistance and thermal stability: No organic wax residue, long-term use temperature can reach 300 ℃~500 ℃ (depending on the glass fiber model), instantaneous temperature resistance is higher, and no volatiles or carbonization are produced at high temperatures, with good dimensional stability.
High electrical insulation performance: no conductive impurities on the surface, stable dielectric performance, high breakdown voltage, suitable for high-frequency circuit substrates and high-voltage electrical insulation wrapping.
Clean and dust-free surface: After dewaxing and subsequent water washing treatment, the fabric surface is smooth, hairless, and stain free, reducing fiber dust and facilitating subsequent coating and laminating processes, resulting in a smoother appearance of the finished product.
Color characteristics: After dewaxing treatment at 300 ℃~400 ℃, the finished product usually appears golden yellow or light brown, which is different from white or light yellow cloth that has not been dewaxed.
Chemical stability: retain the inherent acid and alkali resistance, corrosion resistance, non combustible characteristics of glass fiber, strong anti-aging ability, and long service life.
Processing adaptability: The texture is relatively soft (compared to untreated stiff fabric), easy to cut, sew, and punch, suitable for complex shape forming.
Technical Parameters
| Parameter | Specification Range |
|---|---|
| Product Name | Fiberglass Aluminum Foil Fabric |
| Construction | Aluminum Foil + Fiberglass Fabric + Adhesive (lamination) |
| Aluminum Foil Thickness | 7μm – 25μm (0.00028" – 0.001") |
| Fiberglass Base Fabric Weight | 100 – 600 g/m² |
| Total Thickness | 0.15 – 1.0 mm |
| Total Weight | 150 – 800 g/m² |
| Width | 100cm / 120cm / 150cm (39" / 47" / 59") |
| Color | Aluminum |
| Temperature Resistance | -30°C to 150°C (-22°F to 300°F) continuous Up to 200°C (392°F) intermittent |
| Heat Reflectivity | ≥ 90% |
| Tensile Strength | ≥ 500 – 2000 N/50mm |
| Tear Strength | ≥ 50 – 200 N |
| Flame Resistance | UL94 V-0 / VW-1 |
| Moisture Resistance | Yes / Impermeable to water vapor |
| Chemical Resistance | Resistant to: oil, grease, mild acids/alkalis |
| Adhesive Type | Acrylic / Silicone / Pressure Sensitive (PSA) |
| Peel Strength (Foil to Fabric) | ≥ 20 – 50 N/25mm |
| Roll Length | 25m / 50m / 100m / Custom |
| Standard Sizes (Pre-cut) | 1m x 1m / 1m x 5m / 1.2m x 10m / Custom |
| Packaging | Core tube + PE film + Carton / Pallet |
FAQ
Q. 1: How long is the sample time ? Does the sample fee can be returned?
Q. 2: About the sample what is the cost of transportation?
You can confirm by photo and video to save this money, If you become our old customer.
Q. 3: How long can I expect to get the sample?
The samples will be ready for delivery in 3-5days. The samples will be sent via international express and would be arrived within 3-5 days.
Q. 4: Do you accept customized orders?
Yes, we do. Your customized orders are always welcomed. Please kindly offer us your samples or drawings, so that we can customize the products according to your preferences. About any further detail, please feel free to contact us.
Q. 5: Can we have our Logo or company name to be printed on your products or package?
Sure. Your Logo could be printed on your products by Hot Stamping, Printing, Embossing, UV Coating, Silk-screen Printing or Sticker.
Q. 6: How to order?
Please send us your purchase order by Email or call us sales line
We need to know the following information for your order before sending you PI.
1) Product information-Quantity, Specification(Size, Material, Technological if needed and Packing requirements etc.)
2) Delivery time required.
3) Shipping information-Company name, Street address, Phone&Fax number, Destination sea port.
4) Forwarder's contact details if there's any in China.
Q. 7: How can order the products without any acknowledge of import ?
We could arrange you shipping or air or express for you and deliver everything to your port or provide you door to door service.
Q. 8: Do you have stock ?
We have a warehouse with a lot of stock, and most of the products are in normal production. If we have stock, we can deliver immediately.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.