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Sealant Viksint U-1-18 (NT)

TU 38.303-04-04-90, TU 1-595-28-698-2003

The two-component organosilicon sealant Viksint U-1-18 is a paste-like material that, when mixed with a catalyst at ambient temperature, vulcanizes and turns into a rubber-like state.

COMPOSITION: obtained on the basis of low-molecular dimethylsiloxane rubber and target additives.

METHOD OF APPLICATION:

the main paste is mixed with catalyst 18. To improve the adhesion of the sealant to the surface, a sublayer of P-11 (cold drying) is used, which is pre-applied to the sealed surface and dried.

STORAGE CONDITIONS:
The sealing paste U-1 should be stored in a warehouse at a temperature from 0 to plus 30°C.
The catalyst No. 18 should be stored in closed storage rooms at a temperature from 0 to 25°C.
The P-11 sublayer must be stored in a hermetically sealed container in a room specially designed for storing flammable materials at a temperature from 0 to plus 30°C.
GUARANTEED STORAGE PERIOD:
The warranty period of storage of the sealing paste U-1 is one year from the date of manufacture.
The warranty period of storage of catalyst No. 18 in the manufacturer's container is two years from the date of manufacture.
The warranty period of storage of the P-11 sublayer is one year from the date of manufacture.

PACKING: 5.4 kg and 21.6 kg.

Sealant Viksint U-1-18 (NT)

The sealant is intended for surface sealing of metal joints and for sealing equipment operating in an air environment at t from -60 to +300°C.

Viksint U-1-18  is used for surface sealing of metal joints made of stainless steel, aluminum and titanium alloys and for sealing equipment operating in an air environment under the action of vibration, shock and alternating loads. 

The sealant is used in the aviation industry, rocket and space industry, instrument making, radio-electronic industry, shipbuilding, automobile manufacturing, civil engineering, industrial construction, consumer services, and decorative arts.

 

Sealant Viksint U-1-18 (NT)

- The sealant has heat resistance from -60 to +300°C. 

- It is a dielectric.

- Withstands vibration, shock and alternating loads.

- Is a durable material, resistant to sudden temperature changes, increased vibration, radiation and UV radiation.

- Does not cause corrosion of metals and alloys, including copper.

Sealant Viksint U-1-18 (NT)

Name of the indicator Standard according to TU
I.Color:  white
II. Density, g/cm3 2,2
III. Viability, h 0,5-6,0 
IV. Physical and mechanical properties
1. Conventional tensile strength, MPa, not less than  2,1
2. Relative elongation at break,% not less than  160
3. Shore A hardness, conventional units, within  50-60
4. Bond strength when peeling off from Al alloy D16 (rupture by material or peeling by mesh), kN/m, not less than  1.4
5. Specific volume electrical resistance at a temperature of 20°C, Ohm*cm 1-1013
6. Dielectric constant at a frequency of 10 6 Hz, not more than  6.0
7. Electrical strength at 20°C, kV/mm, not less than  5.0