What are the green building materials?

Environmentally friendly building materials refer to green, natural, environmentally safe construction materials.
1. Basically non-toxic and harmless. It refers to natural, non- or very toxic and harmful substances, and decorative materials that have been simply processed without pollution. Such as gypsum, talcum powder, sand, wood, some natural stone.
2. Low toxicity, low emission type. It refers to decorative materials that are controlled by techniques such as processing and synthesis to control the accumulation and slow release of toxic and harmful substances, which are not toxic to human health because of their low toxicity. Such as large release of formaldehyde, large core board, plywood, fiberboard, etc. that meet national standards
3. Current science and technology and testing methods are unable to identify and assess the materials affected by their toxic substances. Such as environmentally friendly latex paint, environmentally friendly paint and other chemical synthetic materials. These materials are currently non-toxic and harmless, but with the development of science and technology, there may be a possibility of re-identification in the future.

Environmentally friendly building materials category:
1. Environmentally friendly flooring: Grass paving brick is one of various porous paving products, made of recycled high density polyethylene. It can reduce storm runoff, reduce surface water pollution, and drain surface water. Used in public facilities.
2, environmentally friendly wall material: a newly developed aerated concrete brick, can be cut and formed with woodworking tools, with a layer of thin mortar masonry, the surface with a special brushed powder surface, with heat storage effect.
3, environmentally friendly wall decoration: grass wallpaper, hemp wallpaper, gauze wall cloth and other products, with moisturizing, deworming, health care and other functions. The anti-mold wallpaper has been chemically treated to eliminate the phenomenon of mold, foaming, mold growth, etc. when the air is humid or the temperature difference between indoor and outdoor is large, and the surface is soft and the air permeability is good.
4, environmental protection pipe: plastic metal composite pipe, is a high-tech product to replace metal pipe, the inner and outer two layers are high-density polyethylene material, the middle is aluminum, both plastic and metal excellent performance, and no rust, no Pollution.
5, environmentally friendly paint: biological latex paint, in addition to simple construction, there are a variety of colors, can bring colorful colors to the home. After brushing, it will emit bursts of fragrance, and it can be re-brushed or treated with detergent to inhibit mold in the wall.
6, environmental protection lighting: This is a lighting system to save energy and protect the environment. Through scientific lighting design, we use high-efficiency, safe and high-quality lighting electrical products to create a comfortable, economical and beneficial lighting environment.

"Long sleeves and good dance" for green environmental protection plastic building materials
The green upgrade of plastics is the epitome of the flourishing development of new materials. According to the “12th Five-Year Development Plan for New Materials Industry”, the average annual growth rate of China's new materials industry during the “Twelfth Five-Year Plan” period is expected to exceed 25%. By 2015, the total industrial scale will reach 2 trillion yuan, which is “11. Three times the end of the five.
The building uses plastic building materials and is non-toxic and cyclable. The application of thermal insulation plastic building materials in buildings in the United States, Japan and other countries is very mature and the energy saving effect is good. The large-scale application in China has just begun, and there is huge room for future development. After the plastic and wood powder are mixed in a certain ratio, the formed sheet is produced by hot extrusion, and can be used as furniture, ceiling, and the like. “This wood-plastic composite material is not only more durable than wood, but also saves wood from being recycled, and it is free of harmful substances such as benzene and formaldehyde.”

A plastic machinery company from Qingdao brought its newly developed wood-plastic furniture board equipment to participate in the exhibition. The reporter saw that the home board that it squeezed out had a pattern directly and did not require subsequent processing.
According to the manufacturer, the product is formaldehyde-free, fire-proof and moisture-proof, and has no pests. It can directly replace the existing plywood in the market and can be recycled.

“The promotion of green buildings has promoted the development of these energy-saving and environmentally-friendly building materials and related manufacturing technologies.” According to the construction experts, in accordance with the “Green Building Action Plan” promulgated by China, the goal of energy-saving renovation of old houses required is 200 yuan per square meter. Transforming the standard meter, the future market capacity of building energy-saving materials is as high as 2.6 trillion yuan. The increase in the application of plastics in building materials is one of the trends in environmental protection and energy conservation of building materials.

According to the organizer of the exhibition, plastic building materials is the fourth largest new type of basic materials emerging after steel, wood and cement. In recent years, the average annual growth rate of this industry in China has exceeded 15%. More than 30% of the regions have applied new plastic pipes, and some provinces and cities have reached 90%. In some cities in the three northeastern provinces and Inner Mongolia, more than 40% of new buildings have been built. Plastic doors and windows are used in the houses; plastic windows are used in more than 80% of new homes in Qingdao and Dalian.

“Today, plastic building materials have made more and more contributions in the construction industry and town construction.” According to industry experts, for example, using polyurethane insulation materials, using 1 cubic meter of this material can reduce carbon dioxide emissions by 270 kilograms a year. Calculated by consuming 1 million tons of polyurethane insulation material per year, it can reduce carbon dioxide emissions by 7 million tons a year. By 2030, building energy conservation will be 5.6 billion tons of greenhouse gas emissions.

"The application of the above-mentioned insulation plastic building materials in buildings in the United States, Japan and other countries is very mature, and the energy-saving effect is good. However, the large-scale application in China has just begun, and there is huge room for future development." Chairman of the China Plastics Association Polyurethane Products Committee Lin Yongfei said.

Metallic Mirror

Most metallic mirrors are designed to reflect and preserve the quality of the incident radiation. Common substrate materials are glass, fused silica and various metallic materials. Almost any metal can be deposited on a mirror surface. The common metal coating materials are Aluminum, Silver, Gold, Copper etc, We could provide in custom Made sizes and thickness

Concave Spherical Mirrors have a polished, spherical surface, metallic coating, and curved back. Each mirror has a positive focal length, and will focus incident light. All first surface Concave Spherical Mirrors feature a glass substrate.

Metallic Optical Mirrors are widely used due to a moderate level of reflection over a very broad spectral range. Protected gold coatings have the highest reflectance in IR, silver is most efficient in VIS, while aluminium is economical reflector over entire 300-IR region.

A layer of dielectric material protects the coatings of the mirrors in order to make them durable. Enhanced metallic coatings provide greater reflection across the operating bandwidth.

Metal-coated optical mirrors are available for use with light throughout the UV, VIS, and IR spectral regions.

Metallic Mirror,Gold Mirror,Protective Silver Coating Mirror, Aluminium Coating mirror, Silicon Mirror, Cooper Mirror, Dielectric Mirror

Changchun Ruiqi Optoelectronics Co.,Ltd , https://www.ruiqi-optics.com