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Zhongshan H. R. T. Precision Steel Ball Co., Ltd.

Glass Balls, Borosilicate Glass Balls, Glass Balls in Black Color manufacturer / supplier in China, offering Borosilicate Glass Balls in Black Color, 1.588mm-20mm H60 Brass Bearing Balls, High Precision Miniature Tc Ball (Tungsten Carbide) and so on.

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Supplier Homepage Product Glass Ball Borosilicate Glass Balls in Black Color

Borosilicate Glass Balls in Black Color

FOB Price: US $0.12 / Piece
Min. Order: 10,000 Pieces
Min. Order FOB Price
10,000 Pieces US $0.12/ Piece
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Production Capacity: 40000000PCS/Months
Transport Package: 4 Boxes in One Carton
Payment Terms: T/T

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Basic Info
  • Model NO.: SiO2
  • Processing Type: Rolling Type
  • Internal Code: Zepa001
  • Diameter: 2.5mm
  • Type of Glass: Borosilicate Glass
  • Specification: RoHS, SGS, TS16949, GB308-2008
  • HS Code: 84829100
  • Material: Glass
  • Material Number: Glass Ball
  • Colour: Black
  • Tolerance: +/- 0.05 Mm
  • Trademark: HRT
  • Origin: China
Product Description
Borosilicate glass balls in black color
Material: Glass;
Glass balls are chemically inert, have low liquid absorption as well as obvious optical characteristics. This makes the ideal choice for use in certain check valves, flow meters, low speed bearings, liquid applicators and a variety of other applications. Sizes, tolerances and surface finishes can be customized to meet individual customer requirements.
Size: 2.5mm-25.4mm
Application: Optical glass balls are used as lenses are for collimating the output of an optical fiber or laser diode or for laser diode to fiber coupling. Using in micro spray pump, decoration and so on.


SiO2 69.5%
Soda 15.4%
Lime 3.8%
AlO 0.3%
B2O3 1.1%
MnO 7.2%
K2O(potassium oxide ) 2.7%
Density 0.0914Pound/Inch;
SiO2 69.5%
Soda 15.4%
Lime 3.8%
Magnesium 3%
AlO 0.3%
Boric Oxide -----
Manganese Oxid 7.2%
Potassium   Oxide 2.7%
Density  0.0914Pound /Inch ;
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Ms. Emily Huang
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