{"id":1853,"date":"2024-02-23T06:32:00","date_gmt":"2024-02-23T06:32:00","guid":{"rendered":"https:\/\/vinachemistry.com\/product\/blue-gray-aluminum-chromate-chemical-cr-425-25kg-can\/"},"modified":"2024-02-23T06:32:00","modified_gmt":"2024-02-23T06:32:00","slug":"blue-gray-aluminum-chromate-chemical-cr-425-25kg-can","status":"publish","type":"product","link":"https:\/\/vinachemistry.com\/ko\/product\/blue-gray-aluminum-chromate-chemical-cr-425-25kg-can\/","title":{"rendered":"Blue-gray aluminum chromate chemical CR – 425 (25kg\/can)"},"content":{"rendered":"

Product code:<\/span> CR-425<\/b><\/p>\n

Origin:<\/span> NBT Chemical<\/b><\/p>\n

Specifications:25 kg\/can<\/strong><\/p>\n

Blue-gray aluminum chromate chemical CR-425C:<\/strong> Is a special preparation that creates a color-changing coating to blue-gray on the aluminum surface.<\/p>\n

Physical and chemical properties:<\/strong>
\n State of existence: Solution
\n Color: Light red
\n Water solubility: Yes
\n Properties: Acidic
\n When dried at high temperature, this color layer does not fade.<\/p>\n

Bartending:<\/strong>
\n Method: Soak
\n Content (g\/l): 30
\n Temperature: normal
\n Time (minutes): 5<\/p>\n

Working standards<\/strong>
\n DO, (points): 1.5 \u00f7 2 FA, (points): 3.5 \u00f7 5
\n Temperature, (0C) : normal (normal \u00f7 55)
\n Soaking time, (minutes): 5 (3 \u00f7 8)
\n Spray time: 30 seconds \u00f7 2 minutes pH: 2\u00af
\n How to check if the aluminum chromate film meets the requirements:
\n – The chromate film is blue-gray, smooth and firm, giving off very bright and shiny light.
\n – No stains, no white powder or aluminum mold.<\/p>\n

Application:<\/strong>
\n – Anti-mold aluminum, does not cause aluminum surface to be rough.
\n – Creates grip and elasticity for the powder coating.
\n – The created film is gray-blue in color, porous in structure, and has a suitable thickness to act as a base for the paint layer.
\n – Creating a chromate conversion coating is a method of creating a surface before electrostatic painting that is highly economical and consumes little chemicals.<\/p>\n

Advantage:<\/strong>
\n – Simple operation.
\n – Short soaking time, low consumption, high economic efficiency.
\n – Does not fade when dried at high temperatures.<\/p>\n

Effects of Aluminum Chromate<\/strong>
\n The conversion coating on the aluminum surface in the aluminum chromate process has the following effects:<\/p>\n

– Protect aluminum surface against mold and rust
\n – Create layers with many different colors: Yellow, blue, colorless, seven-color gold\u2026.
\n – The coating forms tightly packed, durable crystals (as a base for the powder coating, also known as creating adhesion for the powder coating)
\n – Durable, smooth, tight coating (creates elasticity, smoothness, and firmness for the electrostatic paint layer)<\/p>\n

Common mistakes in aluminum processing<\/strong>
\n – Aluminum after processing becomes powder, chalky, and very dusty when wiped off.
\n – Wipe the film thoroughly to remove all color, leaving the aluminum surface exposed.
\n – Dark, dull film
\n – Uneven staining
\n – Beautiful film, paint still peels off after painting
\n – The film is too pale.<\/p>\n

Notes when using aluminum chromate chemical CR-425C:<\/strong>
\n – The blue-gray aluminum chromate chemical CR-323C is mildly acidic, so when using it, you must comply with labor safety. Such as gas masks, rubber gloves, glasses, protective clothing.<\/p>\n

Handling of accidents <\/strong><\/p>\n

– Contact with skin, hands, clothes: change clothes immediately, rinse under running water for 15 minutes.
\n– Eye contact: remove contact lenses, rinse gently with clean water for 15 minutes, rest, seek medical advice.
\n– Contact through respiratory tract: need to go to fresh air, if having difficulty breathing, give oxygen and see a doctor.
\n– Oral contact: drink plenty of water, do not put anything in the throat when the patient faints, see a doctor.<\/p>\n

Storage and inventory:<\/strong> Store in a cool, dry warehouse, clearly label the packaging, date of manufacture, and expiration date. Always keep the can tightly closed.<\/p>\n","protected":false},"excerpt":{"rendered":"

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