SIMAX™ tubes and rods

SIMAX™ borosilicate glass is an equivalent member with internationally defined and throughout the world acknowledged group of borosilicate technical glassware of the class 3.3 conforming to ISO 3585 and DIN ISO 3585 and it is completely compatible with other ones conforming present standard.

 

Physical properties of SIMAX

Coefficient of mean linear thermal expansion by ISO 7991, DIN 52 328 method

a (20¡C, 300¡C)

K-1

3,3x10-6

Specific gravity

a 20¡C

g.cm-3

2,23

Transformation temperature tg by ISO 7884-7, DIN 52 324 method

h =1013,2dPa.s

¡C

540

Annealing point by ISO 7884-7, E DIN 52 312, Part 7 method

h =1014,7dPa.s

¡C

560

Softening point by ISO 7884-6, DIN 52 312,part 6 method

h =107,6dPa.s

¡C

825

Max. recommended operation temperature  

¡C

500

 

Time schedule of heating and cooling

 

heating

 

cooling

Range of temperature

20-550 ¡C

550¡C

550-490¡C

490-440¡C

440-40¡C

max. wall thickness

¡C.min-1

¡C.min-1

¡C.min-1

¡C.min-1

¡C.min-1

3 mm

140

5

14

28

140

6 mm

30

10

3

6

30

9 mm

15

18

1,5

3

15

12 mm

8

30

0,6

1,6

 

 

Resistance against sudden temperature changes
Wall thickness Sudden changes ¡C
1mm 303¡C
3mm 175¡C
6mm 124¡C
10mm 96¡C

Glostertube supplies different thickness tubes within 4 and 150mm diameter, capillaries, rods, flat rods, oval tubes, triangular tubes, flower shaped tubes and tubes with inside groves.
Ask our catalogue at infogloster@glostertube.com.

 

 

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