タイトルまたは説明

1) Main composition:
    a) SiO2: *0 ±0.5%   
    b) B2O3: *3 ±0.2%
    c) Al2O3: 2.4 ±0.2%
    d) Na2O (+K2O): 4.3 ±0.2%
2) Chemical properties:
    a) Coefficient of mean linear thermal expansion (*0/**0 °C):
        3.3±0.1 (***6K*1)
    b) Transformation temperature: **5±*5°C
    c) Working point: 1,**0 ±*0°C
    d) Softening point: **0 ±*0°C
    e) Density at *0°C: 2.*3g/cm²
   f) Hydrolytic resistance at *8°C: ISO***-HGB1
    g) Hydrolytic resistance at **1°C: ISO***-HGA1
    h) Acid resistance class: ISO*****1
    i) Alkali resistance class: ISO***-A2

3）products
 GLASS ROD:
standard length of tubing:***0mm
regular stocked rod:4mm(dark blue,clear),6mm,8mm,*0mm,*2mm,*6mm,*0mm,*0mm
Customized sizes: ***6mm
 
4）GLASS TUBING:
Our regular stocked colored tube:*5*4mm,*2*3.2mm,*2*4mm,*8*3.2mm,*8*4mm,*4*4mm,*1*4mm,*1*4.8mm (exclusive of clear tubing)
customized sizes:OD6mm***0mm
 
 
Ten colors available: red, pink, green, purple, light/dark blue, yellow, amber, opaque black, transparent black
MOQ per size is ***0kg