Glass fiber powder

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Glass fiber powder is a finely ground material made from crushed or milled glass fibers. The main feature is that it does not change color at high temperatures, and is especially suitable for products that require extremely high whiteness. As a filling material, it can significantly improve the hardness, compressive strength, crack resistance, wear width, abrasion, production cost of products, and improve the stability of resin binders.

It is not the same as plain glass powder (made from crushed window/bottle glass) or silica flour. Fiber glass powder specifically comes from reinforcing glass fibers.It exists as a very fine, free-flowing, white or off-white powder. The particle size can vary depending on the milling process and intended application (often ranging from microns to a few millimeters)

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Significantly improves tensile strength, flexural strength, impact resistance, and dimensional stability of composites and other materials it's added to
Highly resistant to corrosion from acids, alkalis, solvents, and water, protecting the base material
Maintains integrity and performance at high temperatures
Acts as an effective thermal insulator
Excellent dielectric properties, making it suitable for electrical applications
Offers a relatively low-cost way to significantly enhance material performance compared to using pure resin or other fillers
Resists degradation from UV light, moisture, and temperature extremes
Good processing performance, excellent aggregation and dry fluidity, good fiber dispersion during injection molding
Excellent bundling, low static electricity, low lint content
Use of proprietary sizing agent to make the chopped fiber and matrix resin have good compatibility

Ứng dụng:

Used in repair mortars, tile adhesives, industrial flooring, precast elements
Reinforcement for products like fiber cement siding and backer boards
Enhances abrasion resistance, toughness, crack bridging, and durability
Used as a component in some specialized filter aids
Sometimes incorporated into bonded abrasives
Raw materials used in FRP products such as automotive parts (bumpers, battery boxes) and chemical storage tanks
Used in printed circuit boards to reduce thermal expansion of substrates and improve dimensional stability
Used in integrated circuit (IC) packaging to improve the mechanical strength of the package, reduce thermal stress cracking, and prevent temperature cycle failure
Used in electronic component manufacturing, magnetic component packaging and sensor protection layer
Used for various bathroom reinforced resin products, various kitchenware plastic products