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China Factory Micro Glass Beads for Filler

Features of glass beads: Low thermal conductivity,high sound insulation, high dispersion, good electrical insulation and thermal stability.


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Glass beads

1. Light weight and large volume. The density of hollow glass beads is about one tenth of the density of traditional filler particles. After filling, it can greatly reduce the basis weight of the product, replace and save more production resins, and reduce product costs.

2. It has an organically modified (lipophilic) surface. Hollow glass beads are easy to wet and disperse, and can be filled in most thermosetting thermoplastic resins, such as polyester, epoxy, polyurethane, etc.

3. High dispersion and good liquidity. Since hollow glass beads are tiny spheres, they have better fluidity in liquid resin than flake, needle or irregular shape fillers, so they have excellent mold filling performance. What’s more important is that the small microbeads are isotropic, so there is no inconsistency in the shrinkage rate of different parts caused by the orientation, and the dimensional stability of the product is ensured without warping.

4. Heat insulation, sound insulation, insulation, low water absorption rate. The inside of the hollow glass beads is a thin gas, so it has the characteristics of sound insulation and heat insulation, and is an excellent filler for various heat preservation and sound insulation products. The thermal insulation properties of hollow glass microspheres can also be used to protect the product from the thermal shock caused by the alternating between rapid heating and rapid cooling conditions. High specific resistance and extremely low water absorption make it widely used in the processing and production of cable insulation materials.

5. Low oil absorption. The particles of the sphere determine that it has the smallest specific surface area and low oil absorption. The amount of resin can be greatly reduced during use, and the viscosity will not increase much even under the premise of high addition, which greatly improves the production and operating conditions. Increase production efficiency by 10% to 20%.

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