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Varnish MCH-236
October 13, 2018
Varnish HS-76
October 13, 2018

PF-170 varnish

Type:  PF-170 lacquer is a solution in organic solvents of pentaphthalic resin modified with semi-drying vegetable oil with the addition of desiccant.

Scope: it is  intended for receiving weatherproof coverings on previously prepared surface from aluminum and its alloys and as an additive in glyptal and pentaphthalic enamels for increase of gloss of coverings. 

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Specifications:

No Name of the indicator Requirements TNPA
one Iodometric lacquer color scale mg J 2 / 100cm 3 , which is darker than 300
2 The appearance of the film It should be followed by a transparent film, a film, a film, a film, a drift, a craters, a wrinkles and inclusions.
3 Mass fraction of nonvolatile substances,% 45 – 52
four Viscometer type VZ – 246 (or VZ – 4) at a temperature of (20.0 ± 0.5) ° C, s 40 – 60
five Drying time, h, not more than degree 1 at (20 ± 2) ° C
to degree 3 at a temperature of (20 ± 2) ° Cto degree 3 at a temperature of (90 – 95) ° C
eight
723
6 Acid number, mg KOH / g (in terms of base), not more than thirty
7 Film hardness by pendulum device M – 3 at a temperature of (20 ± 1) ° C, conventional units, not less 0.25
eight Flexural elasticity of the film, mm, not more one
9 Film resistance to static exposure to water at a temperature of (20 ± 2) ° С, h, not less 24
ten Film resistance to the static effect of a gasoline-toluene mixture at a temperature of (20 ± 2) ° С, min, not less 15
It is allowed to increase the viscosity of the varnish during storage, if, when diluted with a solvent to a conditional viscosity, the varnish will correspond to the TNPA in all respects.

Coating:  before use, the lacquer is thoroughly mixed and, if necessary, diluted with xylene, solvent or a mixture of one of these solvents with white spirit (nephras – C4-155 / 200) in the following weight ratios: white spirit (nephras – C4-155 (200) – xylene = 3: 2; white spirit (nefras – C4-155 / 200) – solvent = 1: 1.

Lacquer applied to the surface by spraying, brushing or dipping

Precautionary measures:  When carrying out the termination of the room. Rubber gloves to protect your hands.

Transportation and storage  in accordance with GOST 9980.5. 

 

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