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Details
  • 产品名称: Glass Microsphere
  • 产品编号: w2
  • 上架时间: 2014-06-13
  • Views : 46

Properties 

Specifications

Standard

Appearance

Purity of glass micro-sphere, transparent and no apparent impurities.

Fineness, mesh

20-40

Impurities content, %

≤5

Density, g/cm3

2.4-2.6

SiO2 (soda-lime galss)content, %

≥62

Roundness

>80%

Mechanical properties

compression strength 2100 kg/cm2microhardness 5000 kg/cm

Chemical properties

weightlessness, mg /cm2

(boiled for 4 hours)

0.0095 in 20%HCL

0.0095 in 20% H2SO4

0.42 in 1%NaOH

 

Package and Storage
25kg in plastic drum, woven bag or confirmed by clients. Stored in cool, shady and dry place for 48 months.


Safety Protection
Avoid contact with eyes, skin and clothes. Once contacted, flush with water. Keep away from fire.