The most common methods of production of lead chrome pigments are the followings: sedimentation from the basic lead acetous and nitric compounds, continuous method of producing the chrome pigments from Рb metal as well as from yellow lead monoxide and chromic anhydride.
Although lead sulphate crystallizes in the same two systems as lead chromate does, its stable form is the rhombic modification. Therefore, introduction of lead sulphate into the composition of the chrome pigment increases the stability of rhombic modification of lead chromate in isomorphous blend.
In addition, the following additives are recommended to introduce when synthesizing the chrome pigments to stabilize the rhombic modification of lead chromates and sulphochromates: lead phthalate, aluminum hydroxide, titanium hydroxide and some surfactants.
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The most common methods of production of lead chrome pigments are the followings: sedimentation from the basic lead acetous and nitric compounds, continuous method of producing the chrome pigments from Рb metal as well as from yellow lead monoxide and chromic anhydride.
Although lead sulphate crystallizes in the same two systems as lead chromate does, its stable form is the rhombic modification. Therefore, introduction of lead sulphate into the composition of the chrome pigment increases the stability of rhombic modification of lead chromate in isomorphous blend.
In addition, the following additives are recommended to introduce when synthesizing the chrome pigments to stabilize the rhombic modification of lead chromates and sulphochromates: lead phthalate, aluminum hydroxide, titanium hydroxide and some surfactants.
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Although lead sulphate crystallizes in the same two systems as lead chromate does, its stable form is the rhombic modification. Therefore, introduction of lead sulphate into the composition of the chrome pigment increases the stability of rhombic modification of lead chromate in isomorphous blend.
In addition, the following additives are recommended to introduce when synthesizing the chrome pigments to stabilize the rhombic modification of lead chromates and sulphochromates: lead phthalate, aluminum hydroxide, titanium hydroxide and some surfactants.
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The most common methods of production of lead chrome pigments are the followings: sedimentation from the basic lead acetous and nitric compounds, continuous method of producing the chrome pigments from Рb metal as well as from yellow lead monoxide and chromic anhydride.
Although lead sulphate crystallizes in the same two systems as lead chromate does, its stable form is the rhombic modification. Therefore, introduction of lead sulphate into the composition of the chrome pigment increases the stability of rhombic modification of lead chromate in isomorphous blend.
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- In the production of paints and varnishes of general-construction and special purpose including the water-, and solvent-borne ones, for aggressive and abrasive media.
- in the paper industry, the most finely dispersed grades of calcined kaolin.
- in plastics and industrial rubber articles.
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- production of paints and varnishes;
- plastics industry;
- manufacture of industrial rubber articles;
- paper production;
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GOST 8728-88
Appearance: Clear liquid free of particles
Sphere of application:
Premium grade: used for translucent undyed light-resistant materials based on polyvinyl chloride, etc.
First grade: used for light-colored polymeric materials in production of artificial leather, varnishes, etc.
Second grade: used for dark-colored polymeric materials as well as for black-loaded articles, etc.
Guaranteed shelf life – 12 months from the date of manufacture
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It is used as a solvent in production and application of acrylic, vinyl, nitrocellulose, epoxy and chlorinated rubber paintwork materials. Besides, toluene is used as a raw material for organic synthesis.
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- Additive to thermohardened paints to improve luster and flowability.
- Additive for improvement of brush coating properties for varnishes based on nitrocellulose and cellulose esters as well as for paints based on chlorinated derivatives.
- Butylglycol acetate is a good solvent for urethane top coats.
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- As a solvent in paintwork, perfume and cosmetic, pharmaceutical, chemical industries,
- for production of acetone, isopropyl esters, isopropyl amine,
- isopropyl xanthate and a range of other organic products,
- as extracting agent for oils, natural resins and latex,
- as a freezer and an antifreeze substance,
- as a solvent of cellulose esters,
- as a degreasing agent and a detergent,
- as a heat-transfer medium in cooling machines,
- as an alkylating agent,
- as an intermediary in synthesis of a range of pharmaceuticals.
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R-4 is intended for dilution of paintwork materials based on PSKh LS and PSKh LN polyvinyl chloride chlorinated resins, vinyl chloride copolymers, epoxy resins and other film-forming substances (except for KhV-124 gray and protective enamel). R-4А is intended for dilution of paintwork materials based on PSKh LS and PSKh LN polyvinyl chloride chlorinated resins (including KhV-124 gray and protective enamel), vinyl chloride copolymers, epoxy resins and other substances.
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R-5 is intended for dilution of paintwork materials based on PSKh LS and PSKh LN resins, rubbers, epoxy, polyacrylic, silicon resins and other film-forming substances.
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KO-835 organic silicone varnish is intended for varnishing metal surfaces exposed to high temperatures.
It is a solution polyphenylsiloxane and alkyd-styrene resins in organic solvents with addition of siccative.
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