Abrégé

Based on 200 parts by weight, a polishing agent comprises the following components in parts by weight: 10 parts to 50 parts of hydrogen peroxide, 0.1 part to 1 part of thiourea, 5 parts to 10 parts of glycerol, 6 parts to 20 parts of potassium chloride, 0.5 parts to 2 parts of sulfosalicylic acid, 1 part to 5 parts of alcohol ethoxylate and the balance water. The polishing agent is used for surface pretreatment of a stainless steel component. After the treatment using the polishing agent, the surface of the stainless steel component is clean and bright. The whole polishing treatment method has a simple process, is environmentally-friendly and odorless, has no escape of harmful gas, is convenient to operate, and has low using costs.

Classes IPC  ?

• C23F 3/06 - Métaux lourds par des solutions acides
• C23F 3/02 - Métaux légers
• C09G 1/14 - Autres compositions de produits à polir à base substances non cireuses

Abrégé

A passivation agent for oil removal, rust removal and passivation, a steel and iron component, and a passivation treatment method therefor. The passivation agent for oil removal, rust removal and passivation, is used for surface pretreatment of steel and iron components, and based on 2000 parts by weight, comprises the following components in parts by weight: 50 parts to 100 parts of phosphoric acid, 5 parts to 20 parts of phytic acid, 2 parts to 6 parts of polyoxyethylene alkyl ether, 20 parts to 40 parts of zinc oxide, 5 parts to 30 parts of aluminum tripolyphosphate, 1 part to 5 parts of thiourea, 1 part to 5 parts of hexamethylene tetramine and the balance water. The passivation agent for oil removal, rust removal and passivation can remove oil stain and rust at the same time and can form a passivation layer, and the passivation layer has a dense structure and has firm adhesion; the passivation agent can form passivation on the surface of steel and iron, and the passivation layer has good anti-corrosion property.

Classes IPC  ?

• C23C 22/23 - Phosphates condensés
• C23G 1/08 - Fer ou acier
• C23C 22/07 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des phosphates
• C23G 1/02 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus avec des solutions acides

Abrégé

An antirust agent, a metal workpiece, and an antirust treatment method therefor. Based on 1000 parts by weight, the antirust agent comprises the following components in parts by weights: 20 parts to 50 parts of sorbitol, 5 parts to 20 parts of benzoic acid, 10 parts to 20 parts of triethanolamine, 6 parts to 15 parts of boric acid, 2 parts to 12 parts of sodium carbonate, 1 part to 5 parts of morpholine, 0.1 part to 0.5 parts of dimethicone and the balance water. The antirust agent can form a dense polar protective film on metal surfaces, can fundamentally resolve the crystallization phenomenon occurring in a sodium nitrite solution. The antirust agent also has anti-mildew and anti-corrosion properties, can be used more safely, can be widely used in antirust treatment of surfaces in the fine processing of a variety of molds, instruments and parts, can also be used for carrying out antirust treatment between processes before coating, and can maintain the original color of the metal.

Classes IPC  ?

• C23C 22/60 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses alcalines d'un pH > 8
• C23C 22/62 - Traitement du fer ou des alliages à base de fer
• C09D 5/08 - Peintures anti-corrosion

Abrégé

A washing-free zinc-calcium phosphating agent, a metal component, and a surface phosphating treatment method therefor. The washing-free zinc-calcium phosphating agent is used for forming a film on the surface of a metal component, and based on 1000 parts by weight, comprises the following components in parts by weight: 10 parts to 30 parts of zinc dihydrogen phosphate, 5 parts to 15 parts of calcium dihydrogen phosphate, 5 parts to 10 parts of titanium phosphate, 6 parts to 12 parts of phosphoric acid, 12 parts to 18 parts of tartaric acid, 5 parts to 10 parts of trisodium phosphate and the balance water. A film layer formed by the washing-free zinc-calcium phosphating agent is dense, uniform and firm, has good toughness, proper thickness and strong anticorrosion, increases the bonding force between a coating layer and a metal substrate, can improve the luster of the coating layer and can reduce the use of paint. The product does not need washing, reduces the processes, improves the efficiency, has good stability, does not deteriorate, has no sediment, and has no emissions.

Classes IPC  ?

• C23C 22/07 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des phosphates

Abrégé

A blackening phosphatizing agent, a metal member and a surface phosphatizing method thereof. The blackening phosphatizing agent is used for forming a film on the surface of a metal member. The black phosphatizing agent comprises, based on 1,000 parts by weight, the following components in parts by weight: 20-50 parts of phosphoric acid, 1-4 parts of nitrobenzenesulfonic acid sodium salt, 10-25 parts of zinc nitrate, 1-3 parts of citric acid, 2-10 parts of sodium tungstate, 0.1-1.0 parts of nickel nitrate, 5-10 parts of zinc oxide, and 0.5-2 parts of sodium fluoroborate, with the balance being water. The film layer formed by the blackening phosphatizing agent is densely crystallized, capable of blackening and brightening, and has good corrosion resistance and decorative properties.

Classes IPC  ?

• C23C 22/07 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des phosphates

Abrégé

A solvent-based paint remover, and a method thereof for removing paint of a workpiece. The solvent-based paint remover comprises the following components in parts by weight: 60 parts to 100 parts of propanediol butyl ether, 10 parts to 30 parts of glacial acetic acid, 10 parts to 20 parts of benzyl alcohol, 5 parts to 20 parts of cresol and 1 part to 4 parts of sodium alkyl benzene sulfonate. The paint removal method comprises: preparing a solvent-based paint remover; pouring the paint remover into a paint removal tank; immersing a workpiece with paint into the solution in the tank, paint of a workpiece with a thicker paint film capable of being cut open first by using a knife and then the workpiece capable of being immersed in the paint removal tank; and after a coating on the surface of the workpiece bubbles or wrinkles, taking out the workpiece, and putting the workpiece into water for washing or rinsing, and the coating being separated from the surface of the workpiece. Highly-corrosive concentrated sulfuric acid is not contained in the solvent-based paint remover, which does not generate corrosion to a substrate; and by means of the osmotic expansion effect, the paint film is peeled off in a flake form, the paint removal speed is high and the service life is long.

Classes IPC  ?

• C09D 9/04 - Produits chimiques pour enlever la peinture ou l'encre avec des agents tensio-actifs

Abrégé

A magnesium alloy phosphating agent is used for forming a coating on the surface of a metal component, and based on 1000 parts by weight, comprises the following components in parts by weight: 0.5 parts of 2 parts of phytic acid, 5 parts of 30 parts of zinc dihydrogen phosphate, 2 parts of 5 parts of ammonium hydrogen fluoride, 1 part of 4 parts of ammonium metavanadate, 1 part of 4 parts of zinc sulfate and the balance water. A conversion film formed by the magnesium alloy phosphating agent is dense, uniform, firm and stable and has strong adhesion, and prevents the erosion of a corrosive medium to a body.

Classes IPC  ?

• C23C 22/08 - Orthophosphates

Abrégé

A filming agent for oil removal, rust removal and phosphating, a steel and iron component, and a filming treatment method therefor. The filming agent for oil removal, rust removal and phosphating, is used for surface pretreatment of steel and iron components, and based on 4000 parts by weight, comprises the following components in parts by weight: 100 parts to 200 parts of phosphoric acid, 0.5 parts to 5 parts of gelatin, 0.5 parts to 5 parts of alum, 5 parts to 30 parts of sodium tripolyphosphate, 30 parts to 60 parts of zinc oxide, 2 parts to 6 parts of alkyl polyoxyethylene ether, 2 parts to 20 parts of magnesium oxide, and the balance water. The filming agent for oil removal, rust removal and phosphating can remove oil stain and rust at the same time and can form a film, and the film has a dense structure and has firm adhesion; the filming agent can form a gray film on the surface of steel and iron, and the film has good anti-corrosion performance and can improve the adhesion of a subsequent coating layer.

Classes IPC  ?

• C23C 22/07 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des phosphates

Abrégé

A cleaning and antirust agent, a metal workpiece, and an antirust treatment method therefor. The cleaning and antirust agent comprises the following components in parts by weights (based on 500 parts): 2 parts to 12 parts of anhydrous sodium metasilicate, 3 parts to 10 parts of sodium nitrite, 1 part to 5 parts of n-methyldiethanolamine, 0.1 part to 0.5 parts of alcohol ethoxylate, 2 parts to 10 parts of sodium tripolyphosphate, 3 parts to 15 parts of polyethylene glycol, 0.1 part to 0.5 parts of sodium dodecyl benzene sulfonate, 0.1 part to 0.5 parts of sulfonated castor oil, and the balance water. The cleaning and antirust agent can quickly remove oil from the workpiece and can form a dense polar protective film on a metal surface. The cleaning and antirust agent also has anti-mildew and anti-corrosion properties, can be widely used in anti-corrosion treatment of surfaces in the fine processing of a variety of molds, instruments and parts, can also be used for carrying out antirust treatment between processes before coating, and can maintain the original color of the metal.

Classes IPC  ?

• C23G 1/00 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus

Abrégé

An antirust agent, a metal workpiece, and an antirust treatment method therefor. The antirust agent comprises the following components in parts by weights (based on 200 parts): 0.2 parts to 5 parts of sodium carbonate, 1 part to 3 parts of trisodium phosphate, 0.2 parts to 3 parts of triethanolamine, 0.5 parts to 4 parts of water-soluble silicone oil, 1 part to 3 parts of sodium tripolyphosphate and the balance water. The antirust agent can form a dense polar protective film on metal surfaces, can fundamentally resolve the crystallization phenomenon occurring in sodium-derived solutions. The antirust agent also has anti-mildew and anti-corrosion properties, can be used more safely, can be widely used in antirust treatment of surfaces in the fine processing of a variety of molds, instruments and parts, can also be used for carrying out antirust treatment between processes before coating, and can maintain the original color of the metal.

Classes IPC  ?

• C23G 1/26 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus avec des solutions neutres avec emploi d'inhibiteurs
• C23C 22/62 - Traitement du fer ou des alliages à base de fer
• C23G 1/00 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus
• C23C 22/60 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses alcalines d'un pH > 8
• C23C 22/07 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des phosphates
• C23F 11/00 - Inhibition de la corrosion de matériaux métalliques par application d'inhibiteurs sur la surface menacée par la corrosion ou par addition d'inhibiteurs à l'agent corrosif

Abrégé

A filming agent for oil removal, rust removal and phosphating, a steel an iron component, and a filming treatment method therefor. The filming agent for oil removal, rust removal and phosphating, is used for surface pretreatment of steel and iron components, and based on 2000 parts by weight, comprises the following components in parts by weight: 50 parts to 100 parts of phosphoric acid, 10 parts to 30 parts of zinc nitrate, 1 part to 6 parts of calcium sulfate, 4 parts to 15 parts of glacial acetic acid, 1 part to 5 parts of magnesium chloride, 2 parts to 6 parts of polyoxyethylene alkyl ether, 1 part to 6 parts of nickel nitrate, and the balance water. The filming agent for oil removal, rust removal and phosphating can remove oil stain and rust at the same time and can form a film, and the film has a dense structure and has firm adhesion; the filming agent can form a gray film on the surface of steel and iron, and the film has good anti-corrosion property and can improve the adhesion of a subsequent coating layer.

Classes IPC  ?

• C23C 22/13 - Orthophosphates contenant des cations du zinc et des anions nitrites ou nitrates
• C23C 22/12 - Orthophosphates contenant des cations du zinc

Abrégé

An antirust agent, a metal workpiece, and an antirust treatment method therefor. Based on 500 parts by weight, the antirust agent comprises the following components in parts by weights: 0.5 parts to 4 parts of potassium dichromate, 0.1 part to 1 part of triethanolamine oleic soap, 0.5 parts to 2 parts of hexamethylene tetramine, 1 part to 4 parts of boric acid, 0.5 parts to 2 parts of sodium dodecyl benzene sulfonate, 2 parts to 10 parts of trisodium phosphate, a proper amount of hydrogen peroxide and the balance water. The antirust agent can form a dense polar protective film on metal surfaces, also has anti-mildew and anti-corrosion properties, can be used more safely, can be widely used in antirust treatment of surfaces in the fine processing of a variety of molds, instruments and parts, can also be used for carrying out antirust treatment between processes before coating, and can maintain the original color of the metal.

Classes IPC  ?

• C23G 1/00 - Nettoyage ou décapage de matériaux métalliques au moyen de solutions ou de sels fondus
• C09D 5/08 - Peintures anti-corrosion

Abrégé

A polishing agent, a stainless steel component, and a polishing treatment method therefor. The polishing agent, is used for surface pretreatment of stainless steel components, and based on 500 parts by weight, comprises the following components in parts by weight: 2 parts to 10 parts of peroxyacetic acid, 2 parts to 10 parts of benzimidazole, 2 parts to 10 parts polyethylene glycol, 2 parts to 10 parts of phosphoric acid, 5 parts to 20 parts of aluminum oxide, 1 part to 5 parts of didodecyl dimethyl ammonium chloride and the balance water. After the treatment using the polishing agent, the surface of the stainless steel component is clean and bright. The whole polishing treatment method has a simple process, is environmentally-friendly and odorless, has no escape of harmful gas, is convenient to operate, and has low using costs.

Classes IPC  ?

• C09G 1/02 - Compositions de produits à polir contenant des abrasifs ou agents de polissage
• C23F 3/06 - Métaux lourds par des solutions acides
• C23F 3/00 - Brillantage des métaux par des moyens chimiques

Abrégé

A polishing agent, a stainless steel component, and a polishing treatment method therefor. The polishing agent is used for surface pretreatment of stainless steel components, and based on 500 parts by weight, comprises the following components in parts by weight: 2 parts to 10 parts of sulfonamide, 2 parts to 10 parts of benzimidazole, 2 parts to 10 parts of glycerine, 2 parts to 10 parts of nitric acid, 5 parts to 20 parts of cerium dioxide, 1 part to 5 parts of sodium dodecyl sulfate, 1 part to 6 parts of malic acid, and the balance water. After the treatment using the polishing agent, the surface of the stainless steel component is clean and bright. The whole polishing treatment method has a simple process, is environmentally-friendly and odorless, has no escape of harmful gas, is convenient to operate, and has low using costs.

Classes IPC  ?

• C09G 1/02 - Compositions de produits à polir contenant des abrasifs ou agents de polissage
• C23F 3/06 - Métaux lourds par des solutions acides
• C09G 1/04 - Dispersion aqueuse
• C23F 3/04 - Métaux lourds

Abrégé

A polishing agent, a stainless steel component, and a surface polishing treatment method therefor. The polishing agent is used for surface pretreatment of stainless steel components, and based on 500 parts by weight, comprises the following components in parts by weight: 2 parts to 10 parts of glacial acetic acid, 2 parts to 10 parts of benzotriazole, 2 parts to 10 parts of peroxyacetic acid, 2 parts to 10 parts of polyphosphate, 5 parts to 20 parts of titanium dioxide, 1 part to 5 parts of alcohol ethoxylate, 1 part to 6 parts of editic acid, and the balance water. After the treatment using the polishing agent, the surface of the stainless steel component is clean and bright. The whole polishing treatment method has a simple process, is environmentally-friendly and odorless, has no escape of harmful gas, is convenient to operate, and has low using costs.

Classes IPC  ?

• C23F 3/06 - Métaux lourds par des solutions acides
• C09G 1/02 - Compositions de produits à polir contenant des abrasifs ou agents de polissage

Abrégé

A black phosphatizing agent, a metal member and a surface phosphatizing method thereof. The blackening phosphatizing agent is used for forming a film on the surface of a metal member. The black phosphatizing agent comprises, based on 1,000 parts by weight, the following components in parts by weight: 30-50 parts of manganous dihydrogen phosphate, 40-60 parts of zinc nitrate, 2-5 parts of nickel nitrate, 1-4 parts of acetic acid, 1-4 parts of ammonium citrate, and 0.5-2 parts of bismuth molybdate, with the balance being water. The film layer formed by the black phosphatizing agent is dense and even, has good toughness, large thickness, high corrosion resistance, and a little sediment, and is suitable for corrosion resistance treatment of a steel surface.

Classes IPC  ?

• C23C 22/42 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux au moyen de solutions aqueuses au moyen de solutions aqueuses acides d'un pH < 6 contenant des molybdates, des tungstates ou des vanadates et des phosphates