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SE12012 Conical Flask narrow neck with graduations

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
Bottle O.D.
mm
Neck O.D.
mm
Height pcs/ctn ctn size/cm
Length Width Height volume/ctn
50 52 22 87 200 56 27 42 0.064
100 65 23 105 200 69 32 52 0.115
125         58 35 45 0.091
150 70 26 116 120 58 35 45 0.091
200 75 27 130 120 65 37.5 47.5 0.116
250 82 30 142 80 68 41 34 0.095
300 90 30 156 80 74 42 39 0.121
500 108 36 188 48 58 40 41 0.095
1000 130 40 225 36 73 35 49 0.125
2000 168 53 292 16 56 56 32 0.1
3000 190 54 330 8 70 32 35 0.078
5000 235 65 392 6 62 42 41 0.107
10000 284 77 450 4 50 50 48 0.12

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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