Overview of epoxy curing agent

Epoxy hardener is a key chemical additive that is often used with epoxy resins to form coatings and adhesives with excellent properties. During the curing process of epoxy resin, the curing agent provides multiple properties such as strength, durability and corrosion resistance through chemical reaction with the resin.

Therefore, epoxy curing agent is widely used in the field of anti-corrosion, especially in industrial coatings, pipeline protection, Marine anti-corrosion and other fields, becoming one of the important materials.

The anti-corrosion effect of epoxy curing agent

The effect of epoxy curing agent on corrosion protection is mainly reflected in the following aspects:

1. Excellent adhesion: epoxy curing agent can form a strong chemical bond with metal, concrete and other substrates to ensure good adhesion between the anti-corrosion coating and the substrate, so as to avoid corrosion.

2. Excellent chemical resistance: epoxy curing agent has been carefully designed to resist the erosion of a variety of chemical substances, including acids, alkalis, salt solutions, etc., so it has important applications in chemical, Marine and oil platforms.

3. Strong weather resistance: epoxy coating has excellent temperature resistance and ultraviolet resistance, which can maintain stability in harsh environments for a long time and effectively prevent the corrosion of the external environment on the substrate.

4. Excellent mechanical properties: epoxy curing agent can improve the hardness and toughness of the coating, improve its wear resistance and impact resistance, so as to further enhance the anti-corrosion effect.

The application field of epoxy curing agent

1. Corrosion prevention of steel structure

Epoxy curing agent is often used for anti-corrosion coating of steel structure, which can effectively prevent metal rust in corrosive environment such as moisture and salt spray. Especially in the Marine environment, bridge and building steel structure protection, epoxy curing agent has excellent anti-corrosion effect.

2. Oil and gas pipeline protection

In the oil and natural gas pipeline system, the epoxy curing agent coating can provide long-term anti-corrosion protection, prevent corrosion, leakage and other problems in the long-term use of the pipeline, and ensure the safety and stability of transportation.

3. Chemical storage tanks and transport containers

Epoxy curing agent can be used for anti-corrosion coating of chemical storage tanks, transportation containers and other equipment, which can resist various chemical corrosion and ensure the safety of storage and transportation.

4. Marine facilities and underwater equipment

Due to the strong corrosion of the Marine environment, epoxy curing agent is commonly used in the anticorrosive coating of underwater facilities such as offshore platforms and submarine pipelines, effectively preventing the erosion of seawater and salt spray on equipment.

5. Power equipment anticorrosion

Epoxy curing agent is also widely used in the power industry, especially in the anti-corrosion treatment of substations, distribution facilities, transmission lines and related power equipment, which can effectively protect equipment from corrosion in humid environments.

The type and choice of epoxy curing agent

According to different application needs, there are many different types of epoxy curing agents on the market, such as:

1. Room temperature curing epoxy curing agent: suitable for curing at room temperature, widely used in daily anti-corrosion coatings and adhesives.

2. High temperature curing epoxy curing agent: suitable for corrosion protection in high temperature environment, such as high temperature pipeline coating.

3. Solvent-free epoxy curing agent: The use of green environmental protection solvent, reduce harmful gas emissions, suitable for high environmental requirements of the occasion.

Tip: When choosing the right epoxy curing agent, in addition to considering the curing speed, corrosion resistance, etc., it is also necessary to make precise choices according to the specific use environment, application site and substrate type.

Conclusion

With the increasing demand for industrial development and environmental protection, epoxy curing agent has been widely used as an important material in the field of corrosion protection. 

With excellent chemical resistance, weather resistance and mechanical properties, it provides strong protection for equipment in the fields of steel, chemical, Marine and energy. In the future, with the continuous development and innovation of technology, the application prospect of epoxy curing agent in the field of corrosion prevention will be broader.

Epoxy Curing Agent Developed by Highfar for Use in the Field of Corrosion Protection

HF-8615

Description:

HF-8615 is a modified phenolic amine epoxy curing agent. Anhydrous and

low viscosity, fast drying at low temperatures. Excellent chemical resistance

and mechanical properties. Used for high solid epoxy coatings and adhesives.

Advantages：

• Good chemical resistance

• Excellent mechanical properties

Application:

• High solid epoxy coatings

• Heavy anti-corrosion for ships

• Composite material adhesive

HF-8527

Description:

HF-8527 epoxy resin curing agent is a type of mixed amine curing agent of

phenolic amine and Aromatic Amine. This product has the advantages of low

odor, and no volatilization. The formed cured paint film has good surface

effect, high hardness, and high glossiness.

Advantages：

● High gloss

● High strength and high modulus

● Lowodor

● VOC free

● Chemical resistance and excellent mechanical properties

● Good operating time

● Curing at low temperatures

Application:

● Epoxy floor coating, medium coating 

● Primer and mortar layer 

● Chemical and corrosion-resistant mortar and lining 

● Heavy anti-corrosion paint container paint, ship paint, storage tank paint and other primer