The characteristics of polyurethane floor The difference between epoxy resin and polyurethane

Polyurethane floor refers to the use of polyurethane floor coatings combined with a new type of solvent-free or water-based, non-polluting ground functional construction technology, which can be made to meet certain specific requirements (high-end conferences or entertainment centers focus on comfort requirements; industrial and mining enterprises pay attention to corrosion And wear resistance requirements; the food industry pays attention to the high and low temperature resistance, the logistics industry requires rapid use, etc.), so it is particularly suitable for various industrial and mining enterprise workshops, parking lots, sports fields, etc. that have anti-skid, anti-corrosion, and anti-wear requirements Floor coating. So what are the characteristics of polyurethane flooring ? What is the difference between epoxy resin and polyurethane?

Advantages of polyurethane floor:

Good weather resistance: Polyurethane flooring is suitable for indoor and outdoor venues, the temperature difference between winter and summer will not affect the polyurethane flooring;

Easy to repair: Polyurethane floors can be repaired on partially damaged ground;

Easy to refurbish: Polyurethane floors can be re-rolled after a few years to extend the service life of polyurethane floors;

Good elasticity, flexibility and abrasion resistance: the polyurethane floor has a low walking sound, and the brighter it gets during use.

Floor features

1. The coating film has good mechanical properties, high hardness, impact resistance and wear resistance.

2. The whole is seamless, the surface is smooth, there is no accumulation of dust, bacteria, easy to clean, colorful, with a certain decorative effect.

3. It has proper durability, its technical and economic comprehensive performance is better, and it has advantages compared with competitive materials in applicable occasions.

4. Strong plasticity. According to user requirements, various colors can be formulated; the thickness of the coating film can be adjusted, which can be made into a thick film or a thin coating; it can be constructed into a non-toxic type to meet hygiene requirements; it can also be constructed into anti-seepage and resistance Chemical corrosion, oil resistance and other anti-corrosion floors and conductive, non-slip, flame retardant and other functional floors.

5. Has excellent construction and leveling, easy to repair and maintain. Apply mortar and then scrape the order of fine quartz sand mortar. It is required to be flat and free of holes, without knife marks and sanding marks. Scrape coating is used to supplement and polish the flatness, which is used to increase the thickness and compressive strength of the coating and provide a good surface for top coating.

6. Can be constructed in a high humidity environment, especially suitable for rainy and humid areas in East China and South China.

The difference between epoxy resin and polyurethane

As a traditional material, epoxy floor coating has a long history of application, a wide application area, and a large market share. Its main advantages are:

1. High adhesion to the base layer and low shrinkage;

2. Good acid and alkali resistance;

3. High hardness;

The disadvantages are: poor weather resistance and easy aging, so the service life is shorter than polyurethane; epoxy resin is a steel material, so its wear resistance and low temperature resistance are poor. In addition, due to its high filler content, the scratch resistance of the coating surface is poor.

As a new type of material, polyurethane floor coatings make up for some of the shortcomings of epoxy floor coatings, and are getting more and more applications. Its advantages are:

1. Good weather resistance, not easy to aging, aging resistance life can reach more than 20 years, so long service life;

2. High abrasion resistance; (750g / 500rpm)

3. Good impact resistance; (216 kg · cm, 25 times without damage, epoxy resin is generally: 50 kg · cm, 1 time without damage)

4. Good low temperature resistance; (at least -60 ℃, epoxy resin is generally -30 ℃)

5. Good oil resistance, better than nitrile rubber oil resistance;

6. Good anti-skid performance; (The coefficient of static friction on wet and dry surfaces are all> 0.6, the coefficient of static friction on wet and dry surfaces of epoxy resin)

Summary: Relevant information about the characteristics of polyurethane flooring, the difference between epoxy resin and polyurethane is introduced here for everyone, I hope this article will help you. If you still do n’t understand something, you can leave a comment below, we will answer it as soon as possible.

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