Water-based Epoxy Mica Iron Oxide Intermediate Paint

Water-based Epoxy Mica Iron Oxide Intermediate Paint

Product Introduction:

It is a two-component water-based coating composed of waterborne epoxy resin emulsion, rust-preventing pigments and fillers, additives, deionized water, and waterborne amine curing agent.

Applications:

Can serve as a high-performance anti-corrosion intermediate coating, suitable for non-submerged steel structures with strict solvent emission requirements.

The product features excellent adhesion, flexibility, hardness, resistance to salt spray, oil and water, as well as rust prevention properties.

It can be used on steel surfaces in various corrosive environments, suitable for petroleum and natural gas pipelines, storage tanks,

Coating for large steel bridges and heavy machinery equipment 。

Technical Specifications:

Color                Gray

Gloss                matte

Adhesion (Cross-cut Test)    1Grade

Impact resistance            50Centimeter

Flexibility              1mm

HardnessHB

Typical thickness            Dry film thickness80±20Micron

Water resistance              120hour

Theoretical spreading rate          2.5Square meters/Kilograms or4.1Square meters/Liters (dry film thickness)100Micron)

Flash point                Base material (Component) Hardener (Component) After mixingB）    

                    ≥101℃           ≥101℃             ≥101℃

specific gravity                1.6+0.1kilogram/liter

Solvent Content            ＜100Grams/liter

Construction Technology:

1, Substrate Treatment

• All steel surfaces or primer surfaces to be coated should be clean, dry, and free from contamination. Prior to painting, all surfaces must be evaluated and treated according toISO 8504：1992standards.

• If the surface to be coated has grease, it should be cleaned with solvent untilSSPC-SP1standard.

• All cleanliness standards must be strictly adhered to when applying water-based coatings.

• Abrasive blasting (shot blasting) treatment

• Apply directly to the steel surface, with the steel surface sandblasted toSa2.5（ISO 8501-1：1988) orSSPC-SP6standard.

• If oxidation occurs on the steel surface after sandblasting and before applying the water-based epoxy primer, re-sandblasting is requireduntil the specified visual standards are met before proceeding with construction.

2, Thinner

Clean tap water or deionized water

3, Two-component mixing    

This product comes in two separate cans and must always be mixed according to the specified ratio, then used up within the designated mixing period. The mixing period is not indicated by viscosity increase. Although under %% ℃ conditions, %% the mixture may still appear usable after hours, the protective properties of the paint have significantly diminished by then, making it unsuitable for further use. %% Thoroughly stir the base material ( %% ) with a power mixer until uniform;25、Mix the curing agent and base material according to the ratio, then thoroughly stir with a power mixer until uniform.6The mixture may still appear usable after a few hours, but the protective properties of the paint have significantly diminished by then, so it should no longer be used.

1、Stir the base material thoroughly with a power mixer () to achieve uniformity.）；

2、Mix the curing agent and base material according to the ratio, then thoroughly stir with a power mixer until uniform.

3、Mixing ratio Mass ratio100：15-20

4、Mixing service life10℃          25℃         30℃  

                        6hour4hour3hour

Coating environmental requirements

• Apply by air spray or airless spray method. Thoroughly rinse the equipment with tap water before use, followed by pure water.Rinse.

• For maximum edge protection and film thickness, it is recommended to use air spray or airless spray.

• During storage, water-based epoxy primer must always maintain a certain temperature to prevent freezing. It is recommended to storeThe temperature is 25.℃。

• The minimum steel temperature during application must exceed5℃and be at least above the dew point.3℃。

• The relative humidity during application should be below80%, otherwise the drying time and recoating time will be significantly extended; the relative humidity should be above 30%, otherwise the film-forming performance will be poor. The ambient temperature during application must be maintained between5℃and 35℃to achieve the optimal coating film condition. At a temperature of 30℃When the timing is right, good air circulation can be achieved.circulate to achieve a higher relative humidity.

• After painting, good air circulation must be maintained around the coated object.

• Small enclosed areas with poor ventilation should be brush-coated to prevent excessive film thickness.

• The environmental temperature during application being lower than the minimum film-forming temperature of the coating or poor ventilation can result in poor film formation.Or the film may crack into a powdery state, in which case the old coating must be removed and reapplied.

• When using water-based epoxy primer, its viscosity gradually increases over time after mixing. If it exceeds the specifiedpot life, the cured film performance will be affected and fail to meet the required standards.

• Excessive thickness of water-based epoxy primer application will prolong the minimum recoating interval and drying time, and may adversely affect  the recoating interval between layers.

• For applications requiring durability, high gloss, color retention, and excellent decorative properties, the recommended topcoat should be applied.

• Water-based epoxy primer may experience chalking and fading when exposed to the atmosphere, but this does not affect its anti-corrosion performance.

5Construction method 

• Airless spraying, air spraying, brushing, rolling

• Airless Spraying-Recommended for Use：Nozzle Diameter0.38-0.51mm

                       Nozzle pressure not lower than17.6MPa

• Air Spraying-Recommended for Use：Spray GunMBCorJGA

                       Air volume  704or765

                       Spray nozzle  E

• Brush Coating-Suitable for small-area repairs, typical thickness80Micron

• Roller coating-Suitable for small-area repairs, typical thickness80Micron

6, Cleaning    

• It is recommended to clean all equipment with purified water after construction is completed.

• During the construction process, it is advisable to clean the equipment regularly based on factors such as the amount sprayed, temperature, and time.

• Residual paint and packaging materials should be disposed of in accordance with relevant regional regulations.

Dry conditions

8, Product compatibility     

Water-based epoxy primers are compatible with a variety of water-based and solvent-based coatings, including:

Water-based coatings          

• Water-based epoxy topcoat

• Water-based acrylic polyurethane topcoat

• Water-based polyurethane topcoat

Solvent-based coatings

• Epoxy Topcoat

• Acrylic Polyurethane Topcoat

For information on other compatible primers or topcoats, please consult Shaanxi Baota Mountain Paint Co., Ltd.

Safety Precautions:

This product should be used at production sites by professional coating operators in accordance with the recommendations provided in this manual and the instructions on the packaging container. Do not use this product without reading the material safety data sheet.

All operations involving the application and use of this product must be conducted in compliance with relevant national health, safety, and environmental standards and regulations.

When performing welding or flame cutting on metal materials coated with this product, dust and fumes will be emitted. Therefore, suitable personal protective equipment must be worn, and adequate local exhaust ventilation measures should be implemented.

Storage:

Storage Temperature0℃～35℃, sealedStore in a cool, dry, and well-ventilated place. Shelf life12months. If the shelf life is exceeded, it can still be used if it meets the standard requirements upon testing. When the temperature is below0℃, effective antifreeze measures should be taken.During storage and transportation, do not expose to frost conditions.

Statement:

The information provided in this manual may not be exhaustive. If the product is used for purposes beyond those explicitly recommended in this manual without prior written confirmation from our company regarding the product's suitability, the responsibility lies solely with the user. While we strive to ensure that all advice provided about this product is accurate, the quality and condition of the substrate, as well as numerous factors affecting the product's use and application, are beyond our control. Therefore, unless we issue explicit written consent, we assume no responsibility for the product's performance or for any losses or damages resulting from its use (except those caused by our company's negligence). The information in this manual will be updated periodically based on practical experience and our company's ongoing product development policy.