MengziWater-based high-temperature paint coating

Water   -based   High   Temperature   Coating   Material

I. Product Introduction ：

Water-based high-temperature coating is a special coating designed to maintain good performance in high-temperature environments. These coatings are typically used on equipment or structures that need to withstand high temperatures for extended periods. It uses water as the primary diluent, thereby reducing VOC (Volatile Organic Compounds) emissions, making it more environmentally friendly. Main Components and Their Functions

Main Components and Their Functions ：

Water-based Resin ： Water-based Resin is the main film-forming substance in water-based high-temperature coatings, determining the basic properties such as adhesion, hardness, and wear resistance. The type and properties of the resin have a significant impact on the coating's performance.

Pigment ： Pigments provide color to the coating and can also enhance the coating's weather resistance and hiding power. The selection of pigments should consider their stability at high temperatures.

Additives ： Additives play various roles in coatings, such as adjusting rheology, controlling drying speed, and enhancing coating performance.

II. Product Features:

Excellent High-Temperature Stability: These coatings can withstand extremely high temperatures, generally exceeding 800 ℃, or even reaching 1500 ℃ or more, depending on the type of coating.

Excellent Corrosion Resistance: Water-based high-temperature coatings can resist chemical corrosion and oxidation, thereby protecting coated objects from corrosive damage.

Good Adhesion: These coatings adhere tightly to the surface of the coated object, making them resistant to peeling or cracking.

Excellent Wear Resistance: Special wear-resistant additives are used to give water-based high-temperature coatings excellent wear resistance, making them suitable for high-wear environments.

Corrosion Resistance: Water-based high-temperature coatings have good corrosion resistance, capable of resisting chemical corrosion and oxidation at high temperatures, protecting the substrate from damage.

Environmental Performance: Water-based high-temperature coatings use water as a solvent and do not contain organic solvents, which is beneficial for environmental protection and makes them more environmentally friendly.

Easy Application: Water-based high-temperature coatings can be applied by spraying or rolling during construction, making the operation simple and convenient. At the same time, their fast drying and curing speed can significantly improve construction efficiency.

III. Technical Specifications ：

PH:       5.5±0.5

Viscosity    12±2S

Preparation for Application: Substrate sandblasting 80 — 100 mesh, substrate temperature during spraying 40 — 50 ℃

① Coating thickness: 25±5μm Spray gun nozzle diameter: 1— 1.2¢

② Air pressure: 3 — 4KG/C ㎡

③ Use alcohol-mixed water to clean the spray gun

Drying temperature: At 240 °C±10 °C for 15-25 minutes

If it is a 3-stage oven, total process 20-35 minutes

First stage: 35-50 °C (5 minutes)

Second stage: 80 °C (5 minutes)

Third stage: 220 °C hold for 15 minutes

High Heat Resistance: 1000 °C*12 hours, no abnormality

Pencil Hardness: 6-7H (Mitsubishi Pencil) (After baking and standing for 3 days)

Water Resistance: Resistance to boiling water for 2 hours, no abnormality

Alcohol Resistance: 2.5% H,SO solution, 12/15 immersion, 24 hours, no abnormality.

Alkali Resistance: 2.5% Na,CO solution, 12/15 immersion, 24 hours, no abnormality.

Adhesion: 100/100.    Level 1

Abrasion Resistance: 1KG force Scouring pad test 10000 times or more.

IV. Scope of Application ：

Boiler Industry ： Using water-based high-temperature coating inside boilers can effectively improve boiler thermal efficiency, reduce heat loss, and extend boiler service life.

Engine Industry ： The application of water-based high-temperature coatings on engine components can resist high-temperature oxidation, improving engine performance and reliability.

Aerospace ： In the aerospace field, water-based high-temperature coatings can be used for high-temperature components of aircraft and rockets, such as engine combustion chambers and thermal insulation layers.

Petrochemical ： In the petrochemical industry, water-based high-temperature coatings are often used for corrosion protection of refining equipment, high-temperature pipelines, and storage tanks.

V. Construction Process and Steps:

Material Selection: Ensure that high-quality, stable-performance water-based high-temperature coatings are purchased, and check product qualification certificates, production dates, and other information.

Equipment Inspection: Prepare spraying or roller coating equipment and check its working condition to ensure normal operation during construction.

Environmental Conditions: Ensure that construction environment temperature, humidity, and other conditions meet coating application requirements, avoiding construction in unfavorable environments such as high temperature, high humidity, or strong winds.

Substrate Inspection: Ensure the substrate is dry, clean, free of oil and dust, and perform necessary repairs and sanding.

Construction Precautions:

Maintain good ventilation during construction to avoid inhaling paint volatile gases.

Pay attention to changes in construction temperature and humidity to ensure the quality of coating application.

Construction Methods and Steps

Substrate Treatment: Sand and clean the substrate to ensure the surface is smooth, dry, and free of oil.

Stirring and Dilution: According to the product manual, stir and dilute the water-based high-temperature coating, adding an appropriate amount of tap water to ensure the coating is uniform and free of sedimentation.

Spraying or Roller Coating: Apply the coating evenly to the surface of objects requiring high-temperature resistance using spraying or roller coating methods. During construction, pay attention to the thickness and uniformity of the application to avoid missed spots or uneven thickness.

Drying and Curing: After application, keep the coating surface dry and clean, avoiding direct sunlight or water exposure. Wait for the coating to fully cure according to the product manual.

Quality Control and Safety Precautions:

Quality Control: During construction, regularly inspect the quality of the coating application to ensure that indicators such as coating thickness, uniformity, and adhesion meet design requirements.

Safety Precautions: Construction personnel should wear protective equipment such as gloves and masks. At the same time, keep the construction area well-ventilated to prevent harmful gases from paint volatilization from harming the human body.

Project Progress and Cost Control:

Project Schedule Plan: Develop a detailed project schedule plan, reasonably arrange construction time, personnel, equipment, and other resources to ensure the project is completed on schedule.

Cost Control Strategies: Reduce project costs by reasonably controlling material consumption, lowering equipment maintenance costs, and improving construction efficiency. At the same time, strengthen monitoring and management of the construction process to avoid waste and loss, environmental protection and pollution prevention.

Environmental Protection: During construction, minimize the impact on the surrounding environment. For example, avoid construction in strong winds to reduce the pollution of the surrounding environment by harmful gases from paint volatilization.

• Storage and Safety Protection ：

Store in a cool, dry place, away from direct sunlight and high temperatures. ；

Keep packaging containers sealed to prevent moisture and impurities from entering. ；

Use the product as soon as possible after opening to avoid prolonged exposure to air. ； Keep away from ignition sources, no smoking.

Safety Measures and Environmental Protection Requirements ：

Wear protective clothing, gloves, and glasses during construction to avoid direct contact with skin and eyes. ；

Keep the construction environment well-ventilated to avoid prolonged inhalation of paint volatile matter. ；

After construction, dispose of waste paint and packaging containers properly, in compliance with local environmental regulations. ；

In case of paint leakage or pollution, take immediate measures for cleanup and disposal. 。