What kind of curing agent is used for automotive paint, and what is the role of paint curing agent?

There are two kinds of curing of paint, one is physical drying, in which the internal molecules of the paint directly react with the oxygen in the air to achieve the purpose of drying. One is chemical curing, which is to make its molecules react through the combination of A and B components, so as to achieve the purpose of curing. Part B is what you call a hardener.

This shortens the drying time of the paint and also makes the paint stronger.

Curing agent, also known as hardener, curing agent or metastasis, is a class of substances or mixtures that enhance or control the curing reaction. Resin curing is an irreversible process of change in thermosetting resin through chemical reactions such as condensation, closed loop, addition or catalysis, and curing is completed by adding curing (crosslinking) agents. Curing agent is an indispensable additive, whether it is used as a binder, coating, castable, it is necessary to add a curing agent, otherwise epoxy resin can not be cured.

The variety of curing agent has a great impact on the mechanical properties, heat resistance, water resistance, corrosion resistance and so on of the cured object.

OK. Carbon-fluorine bonds are strong and have particularly superior properties. It is weather resistant, heat-resistant, low-temperature, chemical-resistant, and has unique non-stick and low-friction properties.

After decades of rapid development, fluorine coatings have been widely used in various fields such as construction, chemical industry, electrical and electronic industry, machinery industry, aerospace industry, and household goods. After acrylic coatings, polyurethane coatings, silicone coatings and other high-performance coatings, automotive paints with the highest comprehensive performance are generally baking paints. In automobile manufacturing plants, the frame and body are welded (and sometimes repaired by hand).

No matter what color paint is, its pigment will fade in the sun. In fact, not only paint, but anything with color can fade in the sun. It is better to choose fluorocarbon paint.

The domestic cost-effective ones are Runhao fluorocarbon paint and medium fluorofluorocarbon paint.

1. Accelerate the curing time of the primer.

2. If the curing time of the primer is slow, it will also delay the time of the painting.

3. If the time is not urgent, there are some primers that do not reinforce the chemical agent, and you need to wait for the primer to dry thoroughly before you can paint it. So it's also a waste of time.

4. There is also a curing agent that can also accelerate the coating of primer and panel.

Therefore, many wood paint three-in-one have necessary curing agents.

Summary. Dear, glad to answer for you! What will happen to the paint reinforcing agent of car paint 1k, the curing agent and the paint should be added according to the ratio, adding too much will make the main paint dry too quickly, and unpredictable problems such as prickly heat, uneven paint surface, and orange peel will appear.

In addition, if too much curing agent is added, the adhesion of the topcoat will be reduced, and the phenomenon of separation from the primer will occur.

What happens to the paint reinforcing agent of car paint 1k.

Dear, glad to answer for you! What will happen to the paint reinforcing agent of car paint 1k, the curing agent and the paint should be added according to the ratio of the nuclear socks, adding too much will make the main paint of Sun Qing dry too quickly, and there will be unpredictable problems such as prickly heat, uneven paint surface, and orange peel. In addition, if too much curing agent is added, the adhesion of the topcoat will be reduced, and the phenomenon of separation from the primer will occur.

Because the 1K paint is sprayed and solidified, it is in a matte state after drying, so it must be sprayed directly on the surface of the base paint after the ratio of varnish, curing agent and thinner must be used. Before spraying 2K paint, it is necessary to add curing agent and thinner before spraying, which is a one-time practice, and 2K paint has its own brightness and no pure hail, and varnish must be used to increase the gloss.

The primer is divided into two.

Bai kind of 1K and for the metal paint du, just use the thinner to mix it with the dilution can be sprayed, dry quickly, do not dao over 1K metal primer needs to be sprayed on the surface layer and then sprayed varnish, varnish is also known as varnish.

2K is called plain paint, this paint is similar to varnish, it must be reinforcing agent to dry, and the ratio of 1K primer to thinner is about 1:1. The ratio of 2K paint to hardener and thinner is 2:1. The ratio of varnish to hardener is close to 2k.

The ratio of paint, curing agent, and thinner is: 1:1:!

There is no dead definition of this, and the ratio of general polyester paint is 1:::Target. The paint is 1.

The curing agent is: Thinner is. Spray painting mainly depends on its spraying method and the size of the spraying surface.

The proportion of thinner added to paint bai should be determined according to the required consistency, and there is no fixed ratio; Different.

The amount of curing agent added to the DAO ingredient is also different.

A, so the curing agent must be added in strict accordance with the ratio required by the instructions. Generally, the ratio of paint primer to thinner is: 1:, and the ratio of topcoat to thinner is: 1:1.

The ratio of varnish, curing agent, and thinner material is 2; 1;1. When spraying metallic paint, it should be adjusted to a small amount of spraying, not once formed, but three times when necessary, so as to spray the effect of not spending, but it must be sprayed evenly.

ppg. The method of metal spraying.

It's waiting to dry. Squirt a poop.

The ratio of varnish curing agent is 2:1 appropriate amount of thinner, the metal paint can not be formed once and for several sprays, and it will be dried without spraying once, what extent, it is dry to the touch, the general metal paint is 3 times forming, if you encounter the color that is difficult to spray, you will have to spray it several times, such as the fine gray is red, you spray red silver powder will be pressed several times, it is best to divide it into 5-6 times, so that it will not be spent.

Hello, 2 to 1 is fine, adjust it directly, and then enter the paint room to spray it.

Two-component paints require the use of a hardener.

Paints that need to be hardened mainly include:

Epoxy zinc-rich primer, epoxy primer, epoxy topcoat, epoxy coal asphalt paint, epoxy phenolic paint, epoxy zinc phosphate primer, acrylic polyurethane topcoat, polyurethane topcoat, fluorocarbon paint, polysiloxane paint, inorganic zinc-rich primer, epoxy floor paint, etc.

The curing agent must be specially painted, and it must be added in strict accordance with the ratio of paint and curing agent, and can not be added more or less. After the curing agent is mixed with the paint, it is recommended to use it up in about 4 hours to avoid the gelatinization of the paint and cannot be used.

This depends on the production process of the paint and which paints, generally nitro paint, alkyd paint, phenolic paint, blending paint, etc. are directly mixed with the curing agent and the main paint, which belongs to the direct construction without adding the curing agent, but if it is polyester paint and polyurethane paint, their production process is to separate the main paint and the curing agent, as well as the thinner. If no curing agent is added, then this kind of paint will not cure after application.

Hello! Clear paint, also known as varnish, is transparent and has no pigment components.

Clear paint requires reinforcing agent belongs to polyester varnish. This kind of paint has high strength and good wear resistance, and is a widely used paint for modern high-grade wood furniture painting. The disadvantage is that this paint contains more toxicity.

The clear paint that does not require a reinforcing agent is an ordinary varnish and is suitable for the paint coating of ordinary furniture. The fastness of its lacquer is not as good as that of polyester varnish. However, this ordinary varnish has a very low toxic content.

The curing agent is the initiator that polymerizes and solidifies the paint resin monomer.

To put it simply: the curing agent, as the name suggests, is used to cure the main agent and excipients. There is also the above "speed up the rapid drying of paint, increase adhesion and increase paint hardness, improve the chemical stability of paint, anti-corrosion ability."

Car paints are divided into:

Single-component and two-component, single-component is called 2K or 500 paint, as the name suggests, one-component is the topcoat reinforcing agent and thinner directly sprayed out, and the single-component paint is generally pigment.

The two-component is called 1K paint or 600 paint, which is sprayed directly with thinner material, and the varnish needs to be covered after spraying. Two-component paints are generally more metallic paints. After spraying, you need that coat of varnish.

1. Physical drying: after contact with oxygen in the air, it dries quickly;

2. Chemical curing: it can react with paint to make the paint film harder;

3. The paint curing agent can make the primer and the upper grip of the old paint stronger after solidification;