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SE12009 Boiling Flask round bottom short neck

GG-17 high polymer boron silicon glass, of the same type as American “PYREX” and Japanese “H-32” glass, possesses excellent physical and chemical properties. It is the best basic material used for instruments in the country and even in the world. Products made of such glass are excellent competitors in the world and very popular.

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capacity
ml
Bulb O.D.
mm
Neck O.D.
mm
Height pcs/ctn ctn size/cm
Length Width Height volume/ctn
50 52 28 95 200       0
100 65 28 110 200 61 34.5 36 0.076
150 78 34 130 120 61 34.5 36 0.076
250 86 34 142 80 68 41 34 0.095
500 108 41 160 35 68 49 24 0.08
1000 140 46 225 24 72 49 29 0.102
2000 175 50 260 15 73 45 33 0.108
3000 199 55 390 8 66 34 41 0.092
5000 235 62 340 6 72 50 28.5 0.103
10000 297 70 410 2 59 38 31 0.07
15000 330 75 490 2 71 43.5 36 0.111
20000 370 90 540 2 73 54 39 0.154

GG-17 high polymer boron silicon glass, of the same type as American “PYREX” and Japanese “H-32” glass, 
possesses excellent physical and chemical properties. It is the best basic material used for instruments in the country and even in the world. 
Products made of such glass are excellent competitors in the world and very popular.

 
The following are the main technical targets of GG-17 glass:
 
1.Chemical Compositions:

SiO2 B2O3 Al2O3 R2O
80.50% 12.85% 2.10% 4.40%
 
2.Coefficient of linear expansion:
3.3×10-6 (20’C~300’C)
 
3.Properties of heat-resistance and fast change:
260’C~280’C (sample 250 ml breaking)
 
4.chemical properties:

Water-resistance Alkali-resistance Acid-resistance
Grade I Grade II Grade I

 

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