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| Light filters | Light transmission | Heat resistance, K |
| RED |
|
no less than 250 |
| GREEN |
|
no less than 250 |
| YELLOW | at 20°C - 40-50% | no less than250 |
| MOON-WHITE | at 20-250°C - 70-78% | no less than 250 |
| COLOURLESS | at 20-250°C - 88-90% | no less than 250 |
| BLUE | at 20°C - 3,5% | no less than 250 |
For further information please contact:
| Address: | FSUE "ORPE "Technologiya" 15, Kiev St., Obninsk 249035, Kaluga region, Russia |
| Phones: | +7 (48439) 6 2841, +7 (495) 232 1045 Vikulin Vladimir Vasil'evich General Director Doctor of Technical Sciences, Professor, Academician of the International Academy of Ceramics and International Engineering Academy |
| Phones: | +7 (48439) 6 4775, +7 (495) 996 3593
Romashin Boris Alexandrovich Head of Department for Foreign Economic Relations |
| Fax: | +7 (48439) 6 4575 |
| Internet: | http://www.technologiya.ru, http://www1.technologiya.ru |
| E-mail: |