As the name implies, solid wood flooring is made of natural wood and is an excellent interior floor decoration material. Commonly used wood species are eucalyptus, ash, birch, cherry, beech, oak, maple, and the like. The solid wood flooring has unique and excellent performance, and its decorated hall is naturally beautiful, elegant and luxurious, which is deeply loved by people.
However, the lack of solid wood flooring itself is also obvious. At present, the surface protection layer of solid wood flooring is basically UV-curing (UV) paint. Although the gloss is bright, the wear resistance is low. If it is not maintained, the surface coating will be worn and faded after several years of use. The bottom is exposed, losing its original beauty, and the floor that wears off the protective layer is not only ugly, but also easy to damage, which causes a great waste of the use value of the solid wood floor, and also affects the confidence of consumers. The normal service life of solid wood flooring is generally twenty to thirty years or even longer. Therefore, improving the wear resistance of the protective layer of solid wood flooring is an important condition for the development of the solid wood flooring industry.
CK-2 wear-resistant resin is a newly developed chemical coating, which is colorless, transparent and has high hardness. It is specially used for solid surface protection. In order to prove its wear resistance on solid wood flooring, according to the relevant national technical standards, special surface paint film abrasion test.
1 Test materials and test methods
1.1 Test materials
1.1.1 Ultraviolet curing (UV) paint (comparative material) Commercially available chemical products, including the German-made Kunyu brand and the domestic-made Asia-Pacific brand.
1 .1 .2 CK-2 wear-resistant resin homemade, milky white viscous liquid, non-toxic, non-corrosive, non-combustible, easy to clean. Resin viscosity > 1 0 0 0 m Pa·s, p H value 6 to 8, can be stored for 90 days at room temperature.
1 .1 .3 Solid wood flooring 1 multi-layer floor board is taken from a professional wood floor production factory in Beijing, the quality is the first-class product; the quality of the eucalyptus board is the first-class product, and the origin is Xiaoxing'anling. Ultraviolet curing (UV) lacquers are carried out on a multi-layer board and an eucalyptus board in accordance with standard production processes, referred to herein as ordinary flooring. 2 Apply two UV primers on the sanding plate, cure and sand the UV after applying each primer. Then, CK-2 wear-resistant resin is applied, the coating amount is about 100 g/m2, coated at room temperature, dried after coating, and then coated with a UV paint to increase the gloss of the finished product. The floor coated with CK-2 wear-resistant resin is referred to as the wear-resistant floor for accurate comparison test. The above two kinds of floors are made of the same batch of plain plates of the same specification and quality.
1.2 Test method
Referring to the national standard G/T1 51 0 2 -1 994 of impregnated film paper veneer in China, the wear value is used to characterize the wear resistance of the surface paint film, that is, when the test piece is ground on the tester at 1 0 0 r Wear weight.
The TB-1 surface wear tester is suitable for testing the surface wear resistance of wood, wood-based panels, wood floors and other materials. Test conditions: the abrasive was corundum, the abrasive cloth with a particle size of 1 80 (AP1 80 / 3 ), and the contact surface force was (4.9 ± 2) N.
2 Results and analysis
In the test, the original quality of the test piece is first weighed, and the wear amount is measured and recorded after 50 0 r, which is accurate to 1 mg until the coating is worn out and the wood is exposed. Since the sample specimens were taken from two locations, the trials were performed twice and listed separately.
2 .1 test results
The test results are shown in Tables 1 and 2.
2 .2 Analysis of wear value
In order to have an intuitive representation of the different wear resistances of the two floors, the corresponding surface paint film wear curves are drawn according to Tables 1 and 2. See Figure 1 and Figure 2
According to the curves shown in Fig. 1 and Fig. 2, it can be clearly seen that when grinding to 50 0 r, the abrasion of the ordinary floor is large, the coating is worn out and the test is withdrawn, and the wear resistant floor is fully exerted by the wear resistant resin. The effect is that the wear value is greatly reduced. In the test, one test piece on the wear-resistant floor was ground at 1 50 0 r, and the surface of the test piece was worn at 2 0 0 r.
From the unit wear analysis, the ordinary floor is at 0.12 g / 1 0 0 r, while the wearable floor (after 50 0 r) has a maximum value of 0.07 g / 1 0 0 r, while the minimum value is 0. .0 2 g/ 1 0 0 r.
From the analysis of wear resistance number, the floor coated with wear-resistant paint has a wear resistance of 3 to 4 times that of ordinary floor.
3 Conclusion
It can be seen from the test analysis that the wear resistance of the wear-resistant floor is 3 to 4 times that of the ordinary floor. If the ordinary floor is not maintained, the surface protective layer will be worn away in about 3 years, and the wear-resistant floor will be used, and the wear period of the surface protective layer will be extended to 10 years later. Reduce the number of maintenance in use, improve the use value and service life of solid wood flooring, greatly enhance consumers' confidence in the use of solid wood flooring, and have significant economic and social benefits.
However, the lack of solid wood flooring itself is also obvious. At present, the surface protection layer of solid wood flooring is basically UV-curing (UV) paint. Although the gloss is bright, the wear resistance is low. If it is not maintained, the surface coating will be worn and faded after several years of use. The bottom is exposed, losing its original beauty, and the floor that wears off the protective layer is not only ugly, but also easy to damage, which causes a great waste of the use value of the solid wood floor, and also affects the confidence of consumers. The normal service life of solid wood flooring is generally twenty to thirty years or even longer. Therefore, improving the wear resistance of the protective layer of solid wood flooring is an important condition for the development of the solid wood flooring industry.
CK-2 wear-resistant resin is a newly developed chemical coating, which is colorless, transparent and has high hardness. It is specially used for solid surface protection. In order to prove its wear resistance on solid wood flooring, according to the relevant national technical standards, special surface paint film abrasion test.
1 Test materials and test methods
1.1 Test materials
1.1.1 Ultraviolet curing (UV) paint (comparative material) Commercially available chemical products, including the German-made Kunyu brand and the domestic-made Asia-Pacific brand.
1 .1 .2 CK-2 wear-resistant resin homemade, milky white viscous liquid, non-toxic, non-corrosive, non-combustible, easy to clean. Resin viscosity > 1 0 0 0 m Pa·s, p H value 6 to 8, can be stored for 90 days at room temperature.
1 .1 .3 Solid wood flooring 1 multi-layer floor board is taken from a professional wood floor production factory in Beijing, the quality is the first-class product; the quality of the eucalyptus board is the first-class product, and the origin is Xiaoxing'anling. Ultraviolet curing (UV) lacquers are carried out on a multi-layer board and an eucalyptus board in accordance with standard production processes, referred to herein as ordinary flooring. 2 Apply two UV primers on the sanding plate, cure and sand the UV after applying each primer. Then, CK-2 wear-resistant resin is applied, the coating amount is about 100 g/m2, coated at room temperature, dried after coating, and then coated with a UV paint to increase the gloss of the finished product. The floor coated with CK-2 wear-resistant resin is referred to as the wear-resistant floor for accurate comparison test. The above two kinds of floors are made of the same batch of plain plates of the same specification and quality.
1.2 Test method
Referring to the national standard G/T1 51 0 2 -1 994 of impregnated film paper veneer in China, the wear value is used to characterize the wear resistance of the surface paint film, that is, when the test piece is ground on the tester at 1 0 0 r Wear weight.
The TB-1 surface wear tester is suitable for testing the surface wear resistance of wood, wood-based panels, wood floors and other materials. Test conditions: the abrasive was corundum, the abrasive cloth with a particle size of 1 80 (AP1 80 / 3 ), and the contact surface force was (4.9 ± 2) N.
2 Results and analysis
In the test, the original quality of the test piece is first weighed, and the wear amount is measured and recorded after 50 0 r, which is accurate to 1 mg until the coating is worn out and the wood is exposed. Since the sample specimens were taken from two locations, the trials were performed twice and listed separately.
2 .1 test results
The test results are shown in Tables 1 and 2.
2 .2 Analysis of wear value
In order to have an intuitive representation of the different wear resistances of the two floors, the corresponding surface paint film wear curves are drawn according to Tables 1 and 2. See Figure 1 and Figure 2
According to the curves shown in Fig. 1 and Fig. 2, it can be clearly seen that when grinding to 50 0 r, the abrasion of the ordinary floor is large, the coating is worn out and the test is withdrawn, and the wear resistant floor is fully exerted by the wear resistant resin. The effect is that the wear value is greatly reduced. In the test, one test piece on the wear-resistant floor was ground at 1 50 0 r, and the surface of the test piece was worn at 2 0 0 r.
From the unit wear analysis, the ordinary floor is at 0.12 g / 1 0 0 r, while the wearable floor (after 50 0 r) has a maximum value of 0.07 g / 1 0 0 r, while the minimum value is 0. .0 2 g/ 1 0 0 r.
From the analysis of wear resistance number, the floor coated with wear-resistant paint has a wear resistance of 3 to 4 times that of ordinary floor.
3 Conclusion
It can be seen from the test analysis that the wear resistance of the wear-resistant floor is 3 to 4 times that of the ordinary floor. If the ordinary floor is not maintained, the surface protective layer will be worn away in about 3 years, and the wear-resistant floor will be used, and the wear period of the surface protective layer will be extended to 10 years later. Reduce the number of maintenance in use, improve the use value and service life of solid wood flooring, greatly enhance consumers' confidence in the use of solid wood flooring, and have significant economic and social benefits.
Three to four hours after the completion of the tattoo, clean the tattoo with warm water, use a bath, then dry with a sanitary towel, keep dry, apply the care cream, after cleaning every day, apply once.
Tattoo attention points - maintenance
1. After completing the tattoo, clean the whole part with color toner, apply color anti-inflammatory gel, then wrap the bandage and keep it for at least two hours;
2. Undo the bandage, clean the tattoo with color toner and blot the water dry;
3, apply color anti-inflammatory gel, and wipe off the excess, color anti-inflammatory gel four times a day;
4, keep the tattoo part moist and breathable, no need to bandage;
5. Swimming or long time immersion in water is prohibited within one week;
6. Avoid excessive exposure to sunlight for one month;
7, can not scratch or tear off the scab part;
8, can be used to pat or wipe alcohol method to reduce itching;
9. Wear loose clothing.
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