Conical flask
Descripation: with the fast development of chemical industry,it is stronged required that antispetic technology for equipments for chemical industry must be used. our conical falsk used Borosilicate Glass Alkali resistance,Acidproof.widely use for lab in school, factory, hospital.
capacity: 25ml, 50ml,100ml,150ml,200ml,250ml,300ml,500ml,1000ml,2000ml,3000ml,5000ml,10000ml
|
SiO2 |
80.5% Min |
|
B2O3 |
12.75% Max |
|
Al2O3 |
2.0 %Max |
|
R2O |
4.4% Max |
|
Coefficient of linear expansion |
3.3*10-6(20℃-300℃) |
|
Properties of heat-resistance and fast change |
260℃-280℃ |
|
Water tolerant |
One grade |
|
Alkali resistance |
Two grade |
|
Acidproof |
One grade |