COLLOIDAL GRAPHITE PRODUCT VPELT-82
Product ID: ТУ 113-08-612-87, rev. 1-6
Storage conditions: Guaranteed storage life is 3 months.
Composition:
This is a water-based suspension of thermally expanded graphite with iron oxide, stabilized by sodium silicate and other additives.
Field of application:
Used in vacuum electronics to create a conductive coating on cones and necks of cathode ray tubes. Depending on the purpose and composition, two types of Colloidal Graphite Product VPELT-82 are available:
- VPELT-82 "K" - for cones.
- VPELT-82 "G" - for necks.
Specifications
| Criteria | VPELT-82K | VPJeLT-82G |
| Dry residue mass fraction, %, min | 43 | 45 |
| Silicon dioxide mass fraction, % | 9,5-12,5 | 8,5-11,5 |
| Dispersion stability, %, min | 40 | 40 |
| Electrical resistivity, Ω·cm,
within no more |
0,4-4,0 – |
– 0,5 |
| Gas evolution, cm³/g, max | 15 | 15 |
| Density g/cm³ | 1,4-1,6 | 1,4-1,7 |
| Glass adherence | Slight staining of adhesive tape in accordance with the standard is possible | No staining of adhesive tape or single partitions of surface |
Packaging, Transportation
The product is packed in plastic containers. Nominal net weight of the packed product is 7 kg. The product is shipped by any transport in accordance with the corresponding transportation rules at +4°C to +35°C.
