Products

SE12006 Boiling Flask flat bottom long narrow 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 mm pcs/ctn ctn size/cm
Length Width Height volume/ctn
50 53 19 100 150 55 25 39 0.054
100 65 22 120 100 68 30 31 0.063
150 76 22 142 80 61 34.5 36 0.076
250 88 25 160 60 54 39.5 41 0.087
500 110 33 210 35 68 49 24 0.08
1000 140 35 250 24 72 49 29 0.102
2000 177 40 300 15 73 45 33 0.108
3000 199 50 370 8 66 34 41 0.092
5000 235 56 400 6 62 42 43 0.112
10000 297 65 530 2 59 38 31 0.07
15000 325 70 580 2 71 43.5 36 0.111
20000 370 80 620 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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