High Precision Laboratory Glass Beads Decorative Glass Ball

SPECIFICATIONS
Package:
2000/PK
Net Weight:
25g/40g/60g/90g/130g/160g/270g
Model Number:
2.5/3/3.5/4/4.5/5/6mm
Material:
Glass
Diameter:
2.5/3/3.5/4/4.5/5/6mm
Color:
Transparent
This product is a high strength, high circularity, few impurities.
Product description:
colorless, transparent, solid, high-strength, low wear, good chemical stability.
Application:
grinding beads having uniform size, smooth surface, high solid content material and ultrafine grinding dry grinding, wet grinding, compared with zirconium oxide beads to wear small machine model. Heat resistance, ear resistance, compressive strength, and many other properties.
Chemical composition:
SiO2 AL2O3 CaO BaO Na2O Zr.O2
Physical properties :


Gravity:
2.8g / cm3 
Hardness:
>= 720kg / mm2


Refractive index:
Nd>=1.50 
Round rate:
>=99%


Package:
1000pcs
Specifications:
Solid transparent
Category:
A-class high-precision
Size:
2.5mm/3mm/3.5mm/4mm/4.5mm/5mm/6mm
Net weight: 25g/40g/60g/90g/130g/160g/270g
Accuracy error: >=0.02mm
Usage:
Use for laboratory testing, turntable support, slide to mechanical bearings, decoration, etc.

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