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What are called stuffed toys beads

Article source:Original Author:admin Popularity: Time:2017-04-10 11:30 【Big Middle Small
3-4 glass particles
Toys stuffed with materials have already appeared, such as PP cotton, pe / pp plastic particles, resin and so on. And toys stuffed with glass beads is also in recent years only large-scale use.
In the industry, said toys stuffed with glass beads is the use of grinding beads, which is 3-4 glass beads, particle size of about 3-4mm. Some customers to 3-4 glass beads called glass particles or glass grain.
 
3-4 specifications of glass beads
Chemical composition: SiO2  CaO  Al2O3  MgO  R2O  Fe2O3
Hardness: 6-7
Specific density: 2.5g/cm3
Refractive index:  >=1.0
Roundness:  >=70

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