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GS2
0.1 – 0.6
mm
Granules with increased strength GS2
Descriptions and a table of characteristics of KERWOOD® foamed ceramic microspheres
A foamed ceramic microsphere of higher strength. It was developed specifically for use in oil and gas production. This article has improved strength characteristics with a granule size of 0.1 — 0.6 mm. It is produced serially, being a standard warehouse item.
| Index | Fraction, mm | ||
| 0.1 – 0.3 | 0.3 – 0.6 | 0.1 – 0.6 | |
| Article | GS2 01-03/480 | GS2 03-06/420 | GS2 01-06/450 |
| Apparent density, kg / m3 | 480±40 | 420±30 | 450±40 |
| Volume (apparent) density of granules, kg / m3 |
980±120 | 920±60 | 950±80 |
| Compression strength in the cylinder, MPa, not less than (GOST 9758-2012, cylinder diameter 150 mm) |
5 | 4 | 4.5 |
| Coefficient of thermal conductivity, W / (m·°K), not more than |
0.09 | 0.087 | 0.089 |
| Water absorption for 24 hours by weight, %, not more than |
4 | ||
| Resistance to silicate decay, %, not more than |
1 | ||
| Content of water-soluble sulphurous and sulphate compounds, %, not more than |
1 | ||
| Loss of mass during boiling, %, not more than |
5 | ||
| Humidity, %, not more than | 0.5 | ||
| Activity of natural radionuclides, Bq / kg, not more than |
370 | ||
Tests in accordance with the Russian State Standard (GOST 9758-2012), except for water absorption;
Determination of water absorption according to DIN 4226-3-2002;
Determination of activity of natural radionuclides according to the Russian State Standard (GOST 30108-94);
Coefficient of compaction is 1.3;
Apparent density is determined with free filling, in the unconsolidated state of the material.
