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Polyurethane lacquer UR-KB-1

Name of product

GOST (state standard) or TU (factory standard)

Field of application

Appearance and quality data

Polyurethane lacquer UR-KB-1

TU 2311-030-05761689-99

For coating of metal, wooden and glass surfaces, also in contact with cold foodstuffs, for production of enamels, used in building engineering and for domestic purposes. Mixture ratio of component А to hardener is 1 : 0.6.

Gardening agent – triisocyanate ТТ-75.

1. Transparent homogenous solution without mechanical impurities.

2. Appearance of film – after drying up the film must be plain, homogenous, and glossy, without wrinkles and mechanical impurities.

3. Relative viscosity by viscosimeter type ВЗ-246 with nozzle diameter of 4 mm at the temperature (20,0±0,5) °С, s, in the range 15-30.

4. Mass concentration of fixed substances, %, in the range 50 –60.

5. Drying up time of lacquer to 3 degree at the temperature (20±2) °С, h, max 8.

6. Gloss of coating by photoelectric glossmeter type FB-2, %, min 100.

7. Film hardness by pendulum instrument, conventional units, min 0,4.

8. Resistance of coating to static action of water, h, min:

а) at the temperature (20±2) °С - 6,

б) at the temperature (85±5) °С - 2.

9. Resistance of coating to static action of ascetic acid solution with mass concentration of 1% at the temperature (20±2) °С, h, min 2.

10. Pot life of lacquer after mixture of the components at the temperature (20±2) °С, h, min 6.


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