Ultimax Solvent R-4 / R-4A is a mixture of aromatic hydrocarbons, ketones and esters.
Ultimax Solvent R-4 / R-4A is a mixture of aromatic hydrocarbons, ketones and esters.
Ultimax R-4/R-4 solvent quickly and qualitatively dilutes various paints and varnishes made on the basis of PVC LS and PVC LN resins (polyvinyle chloride), epoxy resin resins, and also copolymers of vinyl chloride. Ultimax P-4/P-4A solvent is suitable for XB-124 enamel gray and protective, while P-4 does not cope with this task, otherwise these solvents are one of the most practical multi-component solvents. Solvents of this brand are used in the implementation of various types of painting works. The compositions allow the substance to be used for dyeing and brushing, and by spraying.
Ultimax R-4/R-4A solvent according to GOST 7827-74- colorless or slightly yellowish, homogeneous, transparent liquid without visible suspended particles.
The solvent Ultimax R-4/R-4 A according to GOST 7827-74, has the following characteristics:
Mass fraction of water according to Fisher, %, |
not more than - 0.7 |
Volatility over ethyl ether |
5-15 |
Acid number, mg KOH/g |
not more than - 0.07 |
Coagulation number, % |
not less than - 24; |
Diluting effect |
coagulation and exfoliation of paintwork should not be observed, after drying there should be no whitening of the film on the surface, as well as whitish or dull spots |
Flash point at solvent Р-4 in a closed crucible, °С |
not lower than minus 10 |
Flash point at solvent Р-4 А in a closed crucible, °С |
not lower than minus 8 |
Ultimax R-4/R-4A solvent GOST 7827-74 is a flammable liquid with a characteristic odor, which has a strong irritant effect on the skin, the mucous membrane of the eyes and upper respiratory tract. In this regard, the work with the solvent is carried out in rubber gloves in a well-ventilated area. At hit of solvent on skin wash it off with a large amount of water with soap.