Laboratory glass

Laboratory glass

Others

Pump, water jet, Wurtz (type CT7790)

h
[mm]
PCS
220 1

Manometer gauges, with scale, without stopcock (type CT7235)

Capacity
[ml]
l
[mm]
PCS
150 - 0 - 150 255 1
250 - 0 - 250 455 1
500 - 0 - 500 955 1

Manometer gauges, with scale, with stopcock (type CT7236)

Capacity
[ml]
l
[mm]
PCS
100 - 0 - 100 155 1
150 - 0 - 150 255 1
250 - 0 - 250 455 1
500 - 0 - 500 955 1

Manometer gauges, with movable scale, with stopcock (type CT7238R)

Capacity
[ml]
PCS
100 - 0 - 100 1

There are also manometers without mercury filling - type CT7238

Manometer gauges, Krell type (type CT7246)

Capacity
[ml]
PCS
0 - 35 1
0 - 60 1

Apparatus Winkler, water determination (type CT2772)

Capacity
[ml]
SJ
[mm]
PCS
250 - 300 19/26 1

There are also Winkler's bottles without dispenser and with different capacities.

Glass balls

Dia-
meter
[mm]
Tole-
ran-
cce
Compre-
ssive
strength
[N]
IPCS
in 1kg
Application
1,0 ±0,2 900  

- filtration in chemical apparatus,
- metals, wood, plastics surface
  treatment,
- for mixing paints, varnish,
  cosmetics, food,
- component mixing in chemical
  industry,
- special elements of chemical
  apparatus.

1,5 ±0,2 900 226 354
2,0 ±0,2 980 95 483
2,5 ±0,2 1 100 48 892
3,0 ±0,2 1 500 28 294
3,5 ±0,3 1 800 17 818
4,0 ±0,3 2 100 11 937
4,5 ±0,3 2 200 8 388
5,0 ±0,3 2 600 6 112
6,0 ±0,3 2 700 3 537
7,0 ±0,3 2 900 2 227
8,0 ±0,4 3 000 1 492
9,0 ±0,4 3 200 1 048
10,0 ±0,5 3 400 764
11,0 ±0,5 3 600  
Glass balls properties

Properties:

Specific gravity 2 500 ±40 kg/m3
Mohr's hardness 6
Coefficient of linear expansion (20-300 °C) 3,3 ±0,1x10-6/°C
Hydrolitic group (CSN 70 0531)  klass III
Lead oxide content (PbO) 0
Elasticity modulus 6,5 x 1010 Pa
Type of surface polished,
matt
Bulk density 1 485 kg/m3

 

Chemical composition

Si02 80,6%  
B2O3 13,0%
Na2O+K2O 4,0%
Al2O3 2,4%

While every attempt has been made to verify the source of the information, no responsibility is accepted for accuracy of data.

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