Discussion on the technical characteristics and application of SPC floor

 Flooring is a new type of floor decoration material developed by high-quality, high-tech research and development, and has gradually become a mainstream product in the floor decoration material market. This article introduces the general situation of the development of SPC flooring, discusses its application in combination with the technical process characteristics, and summarizes its future development trend and how to choose SPC flooring products.

From the perspective of application, the main application areas of SPC flooring in China are hotels, shopping malls, schools, etc., and the application in the household field accounts for less than 5%. However, in developed countries and regions such as Europe and the United States, the proportion of SPC flooring in the household field is nearly 10%.

However, domestic data in recent years show that: from 2017 to 2019, SPC production and sales increased at a rate of 10% year by year; in 2020, the domestic market will explode, and most of the top 100 domestic real estate companies have accepted SPC flooring products and selected them in architectural design. the product.

From the perspective of industrial policy, compared with solid wood, ceramic tiles and other floor decoration materials, SPC flooring is more in line with the concept of green environmental protection and resource recycling. It is an industry supported by national policies. High-tech fields", "Guidelines for the development of the building materials industry during the 13th Five-Year Plan", "Guidelines for the development of new materials industries", etc. the

From the perspective of consumption concepts, the improvement of consumers' awareness of environmental protection and health has gradually increased the application of SPC flooring, and SPC flooring also has strong decorative aesthetics, which can meet the individual needs of consumers and better promote growth in its consumption. the

From the perspective of the development of downstream industries, the real estate industry and the building decoration industry are the downstream industries of SPC flooring. The improvement of the level of urbanization has brought continuous and large market demand to the SPC flooring industry. The sales area of ​​China's commercial housing has increased year by year, resulting in continuous growth in the demand for China's architectural decoration market. Therefore, SPC flooring has a huge application market.

2 SPC flooring technology and process flow SPC flooring is extruded by an extruder combined with a T-shaped die to extrude the PVC base material, and the PVC wear-resistant layer, PVC color film and PVC base material are respectively thermally coated on-line with a three-roll or four-roll calender. Fitting products, the process is simple, and the fit is completed by heat, without glue. The SPC floor material adopts environmentally friendly formula, does not contain harmful substances such as heavy metals, phthalates, and methanol, and complies with EN14372, EN649-2011, IEC62321, and GB4085-83 standards. The production process of SPC floor is as follows:

3 SPC floor characteristics and application: Compared with other floor decoration materials, SPC floor has incomparable advantages:

3.1 Green and environmental protection: The main raw material for the production of SPC flooring is high-quality polyvinyl chloride resin, which is an environmentally friendly and non-toxic renewable resource, natural and environmentally friendly, 100% free of formaldehyde, benzene, heavy metals and carcinogens, soluble volatiles, and radiation.

3.2 Ultra-light and ultra-thin: The thickness of SPC floor is only 4-8mm, and the weight per square meter is only 2-3KG, which is less than 10% of ordinary floor materials[1]. In high-rise buildings, it has incomparable advantages for building load-bearing and space saving. At the same time, it has special advantages in the renovation of old buildings.

3.3 Super wear-resistant: The surface of the SPC flooring has a special high-tech processed transparent wear-resistant layer [2], which fully guarantees the excellent wear-resistant performance of the ground material. The wear-resistant layer on the surface of the SPC floor varies in thickness Under normal circumstances, it can be used for 5-10 years. Because of its super wear resistance, it is suitable for use in hospitals, schools, office buildings, shopping malls, supermarkets, vehicles and other places with a large flow of people.

3.4 High elasticity and super impact resistance: SPC flooring is soft in texture, so it has good elasticity. It has good elastic recovery under the impact of heavy objects. Its comfortable foot feeling is called "soft gold in the ground". At the same time, SPC flooring It has strong impact resistance and has strong elastic recovery for heavy impact damage without causing damage. When people walk on the SPC floor, compared with the traditional solid wood floor and laminate floor, the impact force on the feet can be greatly reduced, and the proportion of people falling and injury can be reduced [3].

3.5 Super anti-skid: The wear-resistant layer on the surface of the SPC floor has special anti-skid properties, and compared with ordinary floor materials, the SPC floor feels more astringent in the case of sticky water, that is, the more water it encounters, the better the anti-skid property[4] . Therefore, it is suitable for public places with high public safety requirements, such as airports, hospitals, kindergartens, schools, etc.

3.6 Fire and flame retardant: PVC plastic flooring itself is the main component of polyvinyl chloride, which is difficult to burn and can play a role in flame retardancy to a certain extent. 5], the plastic floor is a flame retardant material (the fire index can reach B1 level). The SPC floor itself will not burn and can prevent burning, and will not produce toxic and harmful gases that cause breathlessness.

3.7 Waterproof and moisture-proof: Since the main component of SPC floor is vinyl resin, which has no affinity with water, it can be used in a humid environment [6], and it will not be mildewed due to high humidity.

3.8 Sound absorption and noise prevention: SPC flooring has a sound absorption effect that cannot be compared with ordinary floor materials, and its sound absorption can reach 20 decibels. It is suitable for use in hospital wards, school libraries, lecture halls, theaters and other places [7], which can provide more comfortable, A more humane living environment.

3.9 Simple installation and easy maintenance: It can be cut arbitrarily with a good utility knife, and can also be combined with materials of different colors to meet the diverse and personalized decoration needs of consumers and achieve the most ideal decorative effect [8]. And the installation and construction of the SPC floor does not require the use of building materials, only the environmentally friendly floor glue can be installed [9]. The maintenance of SPC floor only needs regular waxing or daily cleaning, and the maintenance frequency is much lower than that of traditional floor materials [10].

3.10 Wide variety of designs and colors: SPC flooring has a wide variety of designs and colors, such as carpet pattern, stone pattern, wooden floor pattern, etc., and even personalized customization can be realized. The texture is realistic and beautiful, together with rich and colorful attachments and decorative strips, it can combine to create a beautiful decorative effect.

3.11 Acid and alkali corrosion resistance: The surface of SPC floor has undergone special protective treatment and has strong acid and alkali corrosion resistance. Therefore, it is very suitable for use in hospitals, laboratories, research institutes and other places [11].spc vinyl flooring manufacturers

3.12 Heat conduction and warmth preservation: SPC flooring has good thermal conductivity, uniform heat dissipation, and small thermal expansion coefficient [12]. Therefore, it is more suitable for home paving, especially for geothermal heating floors in cold northern regions of my country.

4 Future product development trends of SPC flooring

4.1 Antibacterial SPC floor: Due to the improvement of people's living standards and the continuous strengthening of health and environmental protection awareness, especially affected by epidemic diseases such as influenza and new crown pneumonia, consumers are more and more concerned about and pay more attention to the home environment up. The antibacterial floor is to add a certain amount of antibacterial agent to the floor material, and after processing to make an antibacterial floor, it can inhibit the reproduction of bacteria on the surface, and then achieve the purpose of long-term hygiene and safety.

4.2 Electric heating SPC floor: The electric heating floor is made of nano-carbon crystal molecular heating core material. Under the action of micro-current, the core material generates vibration and friction to generate heat and emit heat to the room. The electric heating conversion rate is above 96%, which is very efficient electric heating The floor has good properties of compressive resistance, waterproof, insulation, etc. Even if it works in an extreme environment, it is not easy to cause safety accidents. The thermal efficiency of the electric heating floor is high, and its heat can be well maintained within the benefit range of the human body, and the loss in the process of heat transmission is very small.

4.3 Lightweight SPC floor: The light weight of the floor ensures that the performance of the floor remains unchanged. Through foaming co-extrusion and other processes, the weight of the floor is further reduced, and the cost of transportation and installation is reduced.

4.4 SPC flooring with new format size to meet the new paving scheme: In addition to the traditional size of the floor, SPC flooring with more new format sizes such as 300*600, 600*600, etc. are constantly being developed and used to meet individual market demand, product is also more widely used.

4.5 Wood (bamboo) veneer veneer SPC floor: Wood (bamboo) veneer veneer SPC floor is based on SPC formula, the surface is covered with wood (bamboo) skin, and then the surface is wear-resistant, water-resistant, anti-aging, etc. deal with. In this way, the natural texture of the wood (bamboo) material is maintained, and the product has all the advantages of the SPC floor. It is an ideal floor covering material.

4.6 SPC flooring produced by 3D printing equipment: With the maturity and improvement of 3D printing technology and the rapid development of individual demand for flooring products, 3D printing technology can be customized, can print any color and pattern, and can print wide-format products And other advantages, to meet the market demand, and has been developed rapidly.

5 ways to choose a high-quality SPC floor

5.1 The product must pass the national important inspection and certification. Such as ISO9001, ISO4001 quality certification system [13], China National Standard, China Metrology Certification. In addition, American floor score certification, EU safety certification, green environmental protection certification, and SGS international authoritative certification are all stricter standards that are generally applicable worldwide.Spc flooring factroy

5.2 Pay attention to the indicators of physical and chemical properties. Sampling inspections are carried out before the products leave the factory, and only those that meet the standard requirements are qualified products.

5.3 Pay attention to the appearance quality of the product and the uniformity of the specification and size. The high-quality SPC floor is very flexible, and even if it is twisted and bent arbitrarily, there will be no cracks on the surface. The size of each plate must meet the requirements. If the deviation is too large, it will inevitably cause uneven seams and pattern deformation, which will affect the overall decorative effect.

5.4 Pay attention to the difference between raw materials and production process. At present, the base materials used by domestic manufacturers can be roughly divided into two types: new materials and recycled materials. A good SPC floor is made of new materials, which are highly elastic, not easy to deform when soaked in water, not easy to shrink and expand when it is cold or hot, and the edges are not easy to warp.

5.5 Pay special attention to after-sales service guarantee. The quality of construction is as important as the quality of the product, which affects the service life of the stone-plastic floor.

6 Conclusions: SPC flooring is being accepted by the domestic market due to its excellent product performance. Market and application prospects.