SE12003 Conical Beaker

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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Top O.D.
Base O.D.
Height mm pcs/ctn ctn size/cm
Length Width Height volume/ctn
125 36 56 112 200 69 32 52 0.718
250 42 71 139 120 65 37.5 47.5 0.371
500 54 87 154 80 74 42 39 0.231

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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