FIELD: construction. SUBSTANCE: electric heater is made of cellulose paper with content of carbon fibers amounting to 7-20% of weight of paper and binder based on phenol-formaldehyde lacquer in amount of 50-150%. Direction of fibers in paper is parallel to orientation of wood fibers of internal layers of forms panel veneer. EFFECT: higher efficiency. 4 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| GLUE | 0 |
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