Epoxy Glass Tubes
Bakelaque
type B36 Epoxy Glass 
Epoxy glass laminate. Greenish yellow colour. A high strength class F rigid insulation with many uses ranging from slot wedges in small motors to major components in turbo-alternators and electronic applications. B36 has excellent electrical and mechanical properties, good dimensional stability and machines well.
Bakelaque type B36 Epoxy Glass
Flame retardant Epoxy glass laminate. Pale green/yellow colour. Class B applications incorporating a brominated resin system. Very good electrical, mechanical and machining characteristics. For all electrical and electronic applications.
| Epoxy resin system Resin system | Units | B36 | B38 |
| Flexural strength | Mpa | 468 | 492 |
| Flexural strength @ 150°C. After 1 hour @ 150°C. | Mpa | - | - |
| Impact strength ( notched charpy) | kJ/m² | 50 | 45 |
| Tensile strength | Mpa | 220 | 220 |
| Electric strength perpendicular to laminations in oil @ 90°C. (rapidly applied) | MV/m | 28 | 25 |
| Electric strength perpendicular to laminations in oil 90°C (step by step) | MV/m | 17 | 16 |
| Breakdown voltage parallel to laminations in oil @ 90°C | kV | 82 | 89 |
| Permittivity @ 1 MHz | - | 4.8 | 4.8 |
| Dissipation factor @ 1 MHz | Tan σ | 0.020 | 0.02 |
| Insulation resistance after 24 hours water immersion | GΩ | 17000 | 30000 |
| Comparative tracking index | V | 220 | 210 |
| Thermal classification †† continuous | °C | 155 | 130 |
| (intermittent) | °C | (165) | (140) |
| Flammability Category † | - | - | FV0 |
| Water absorption after 24 hours immersion | mg. | 8 | 7 |
| density | g/cm³ | 1.9 | 1.9 |
| specific volume | cm³/kg | 526 | 526 |
| standard sheet size | m | 1.22 x 1.22 | 1.22 x 1.22 |
| standard thickness range | mm | 0.5 - 100 | 0.5 - 100 |
| Colour | Olive/Green | Green |
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Note: Tests carried out on 3 mm thick specimens unless otherwise specified. Values based on routine control testes. |
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† The test method is used solely to control and monitor consistency of production. Under no conditions should the results be considered in relation to fire hazards under actual conditions of use. |
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†† Figures are given for guidance only and and assume use of material in air. |
