TYPE S GLASS BEADS
Soda Lime Glass Beads


Roundness |
Article 52xx in size 0,1 - 0,8 mm: ≥ 0.89 (ratio width/length (xmin/xmax) Article 45xx in size 1,0 - 3,0 mm: ≥ 0.95 (ratio width/length (xmin/xmax) |
Compressive |
strength up to 2.100 N (belonging to diameter) |
Refractive index |
1.5188 |
Air bubbles inside bead (> 0,3mm) |
≤ 2,5 % Visual test: internal control of 200 Glass beads by Microscope |
Size (Diameter) |
Microglass beads in size between 0 and 800 µm |
Transformation temperature |
549 °C |
Softening point (Littleton point) |
734 °C |
Melting point |
1.446 °C |
Specific thermal Conductivity |
1,129 W/km |
Coefficient of expansion |
9,05 106 (1/K) [20-400 °C] |
Specific thermal capatcity |
1,329 kJ/kg K [>600 °C] |
Youngs-Module |
63 GPa |
Hardness according to Mohs |
≥ 6 |
Abraison after 9 h grinding |
23,85 Weight.-% |
Storage indication |
Store in a dry manner in closed (original) container by room temperature. |
Disposal |
There is no type of waste that occurs due to the product that requires special supervision according to the German “Closed Substance Waste Management Act” or the 91/689/EWG and 2006/12/EG guidelines. |
Safety advice |
High risk of slipping due to spillage of product |
Chemical Analysis |
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Name |
Method |
Weight |
CAS-No. |
EINECS |
|
reference value in Weight-% |
tolerance value in Weight-% |
||||
Silicon dioxide SiO2 |
DIN 51001 |
72,50% |
+/- 0,90 |
7631-86-9 |
231-545-4 |
Sodium oxide Na2O |
DIN 51001 |
13,00% |
+/- 0,80 |
1313-59-3 |
215-208-9 |
Calcium oxide CaO |
DIN 51001 |
9,06% |
+/- 0,28 |
1305-78-8 |
215-138-9 |
Magnesium oxide MgO |
DIN 51001 |
4,22% |
+/- 0,10 |
1309-48-4 |
215-171-9 |
Aluminium oxide Al2O3 |
DIN 51001 |
0,58% |
+/- 0,18 |
1344-28-1 |
215-691-6 |
Standard Sizes –special diameters available by request |
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Article |
Diameter |
Resistance to compression *) |
Bulk density |
Amount(pieces per kg) |
5209-7 |
0 – 20 µm |
--------- |
0,70 kg/dm3 |
--------- |
5210-7 |
0 – 50 µm |
--------- |
1,30 kg/dm3 |
--------- |
5211-7 |
40 – 70 µm |
--------- |
1,33 kg/dm3 |
--------- |
5212-7 |
70 – 110 µm |
--------- |
1,37 kg/dm3 |
--------- |
5213-7 |
90 – 150 µm |
--------- |
1,40 kg/dm3 |
--------- |
5214-7 |
100 – 200 µm |
--------- |
1,42 kg/dm3 |
--------- |
5215-7 |
150 – 250 µm |
--------- |
1,43 kg/dm3 |
--------- |
5216-7 |
200 – 300 µm |
--------- |
1,44 kg/dm3 |
--------- |
5220-7 |
200 – 400 µm |
--------- |
1,45 kg/dm3 |
--------- |
5223-7 |
300 – 400 µm |
--------- |
1,46 kg/dm3 |
--------- |
5218-7 |
400 – 600 µm |
--------- |
1,47 kg/dm3 |
--------- |
5219-7 |
400 – 800 µm |
--------- |
1,49 kg/dm3 |
--------- |
5225-7 |
800 – 1000 µm |
--------- |
1,51 kg/dm3 |
--------- |
5226-7 |
1000 – 1300 µm |
--------- |
1,51 kg/dm3 |
--------- |
4501 |
0,25 – 0,50 mm |
--------- |
1,46 kg/dm3 |
14.486.600 |
45015 |
0,40 – 0,60 mm |
--------- |
1,47 kg/dm3 |
6.111.500 |
4502 |
0,50 – 0,75 mm |
--------- |
1,49 kg/dm3 |
3.129.100 |
4503 |
0,75 – 1,00 mm |
--------- |
1,50 kg/dm3 |
1.140.300 |
4504 |
1,00 – 1,30 mm |
250 – 350 N |
1,51 kg/dm3 |
502.300 |
4505 |
1,25 – 1,65 mm |
350 – 500 N |
1,51 kg/dm3 |
250.580 |
4506 |
1,55 – 1,85 mm |
500 – 650 N |
1,52 kg/dm3 |
155.490 |
4507 |
1,70 – 2,10 mm |
600 – 750 N |
1,52 kg/dm3 |
111.370 |
4508 |
2,00 – 2,40 mm |
750 – 900 N |
1,53 kg/dm3 |
71.740 |
4510 |
2,40 – 2,90 mm |
950 – 1100 N |
1,53 kg/dm3 |
41.050 |
4511 |
2,85 – 3,45 mm |
1100 – 1450 N |
1,53 kg/dm3 |
24.440 |
4512 |
3,40 – 4,00 mm |
1450 – 1650 N |
1,53 kg/dm3 |
15.080 |
4513 |
3,80 – 4,40 mm |
1700 – 2100 N |
1,53 kg/dm3 |
11.080 |
*) Resistance to compression: internal test with Compressive strength inspector No. 10004.1, Company Hegewald & Peschke