Products

Borosilicate glass 3.3 property:
Shanghai Biochemical Company adopts Borosilicate glass 3.3 to produce all the glassware and glass parts according to international standard ISO3587 rules.
Borosilicate glass 3.3 chemical compositions(weight proportion):
SiO₂ 80.4% B2O3 13%
Physical property:
Line up factor (20—300℃)（3.3±0.1）×10-6K-1
20℃ density 2.23g/mm³
Anti-up strength 35—100Nmm-2
Borosilicate glass 3.3 products' heat shock resistance temperature≥110℃
ISO3587 instruction:When the glasswares are heated to higher than 100℃ or above, they need to be protected and avoid cold water to prevent from explosion.
Heat transfering property average heat conduction 1.2Wm-1k-1
Heat specific 0.98jg-1k-1

Code	Name
01	50L rotary evaporator galsswares
02	2L rotary evaporator accessory
03	100L double-decks reactors galsswares
04	1-20L three layers reaction bulb
05	1-50L double-decks reaction bulb
06	Various ball type reaction bottles
07	Various multi-functional condensator
08	various reflux condenser
09	constant pressure funnel a variety of specifications
10	5—50L sphere knockout glasswares
11	World of special use glasswares
12	Hollow plug
13	Joint valve
14	Joint with small mouth and large valve
15	Joint with large mouth and small valve
16	air condenser pipe
17	double-decks streight condenser pipe
18	streight back-flow condenser pipe
19	spiral condenser pipe
20	snakelike condenser pipe
21	snakelike back-flow condenser pipe
22	streight condenser pipe
23	ball type condenser pipe
24	round bottom flasks（brevicollis ）
25	Pyriform flasks
26	double mouths Pyriform flasks
27	three mouths Pyriform flasks
28	Pyriform distillation flasks
29	Suction flasks
30	Eggplant shape flasks
31	double mouths flasks
32	three mouths flasks（bevel connection）
33	three mouths flasks（streight mouth）
34	Four mouths flasks