Glass Beads

Glass beads are a commonly used media made of hardened spherical soda-lime glass. They have a uniform composition and stable chemical properties, making them ideal for cleaning, deburring, peening, and descaling. Their nearly perfect spherical shape allows for controlled and unique surface finishes. Glass beads decompose slowly, reducing equipment damage, and can withstand multiple impacts. They are chemically inert and leave no residue on workpiece surfaces.

Typical Physical Characteristics

Roundness:

≥90%

Micro Hardness:

≥600kg-mm³

Specific gravity:

2.4–2.6 

Bulk density:

1.4–1.6 g/cm3

Typical chemical analysis

SiO2:

≥65%

Na2O:

≤14%

CaO:

≤8.0%

MgO:

≤2.5%

Al2O3:

0.5%-2.0%

Available grain sizes
(Average grain size)

Sandblasting

20#、30#、40#、50#、60#、70#、80#、90#、100#、120#、140#、150#、170#、180#、200#、220#、240#、325#

Grinding

0.8-1mm,1-1.5mm,1.5-2mm,2-2.5mm,8.5-3mm,3.5-4mm,4-4.5mm,4-5mm,

5-6mm,6-7mm,

Road Marking

BS6088A BS6088B EN1424 EN1423 AASHTO AASHTO TYPE1  TYPEII JIS NO.1  

JIS NO.2

Application areas (including but not limited to)

  • Road marking

    Road marking for enhanced visibility and skid resistance.

  • Sandblasting and polishing

    Sandblasting and polishing for improved surface quality and appearance.

  • Filter media

    Filter media to improve filtration efficiency.

  • Paints and coatings

    Paints and coatings as fillers for increased thickness, glossiness, and scratch resistance.

  • Pigments and dyes

    Pigments and dyes as carriers for even dispersion and enhanced efficiency.

  • Other applications

    such as automotive coatings, agricultural chemicals, electronic pastes, and metal oxides.

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