2020-3-30 15:44:02 来源：本站 点击：
Sunshine panel, a new lighting and energy-saving decorative material, is a hollow and transparent engineering plastic sheet with good performance produced by polycarbonate. It is a new decorative material with high strength, light transmission, sound insulation and energy saving, which is widely used in the world at present. High transmittance solar panels have high transmittance in visible and near infrared spectra, and can easily penetrate visible light. When the thickness of the solar panel is 4mm, the transmittance rate is 82%, 81% at 6mm, 80% at 8mm, 79% at 10mm and 69% at 16mm. But for ultraviolet and far infrared radiation, it can not pass through. This high transmittance makes it widely used. The specific gravity of light weight solar panels is 1.2. When the thickness is 4 mm, the weight per square metre is 1 kg, 6 mm is 1.3 kg, 8 mm is 1.5 kg and 10 mm is 1.7 kg. The weight of sunshine plate is 1/12-l/5 of the weight of ordinary glass with the same thickness, and it is safe and not broken, easy to handle and install. It can reduce the weight of the building, simplify the structure design, and save transportation and installation costs. The spontaneous combustion temperature of this sunshine board is 630 C, which is 410 C higher than that of wood at 220 C. Tested by the National Fire-proof Building Material Quality Supervision and Inspection Center, all the indicators meet the requirements of flame-retardant materials. According to GB8624-1997 standard, the burning performance of sunshine panels reaches the first level of non-flammability, which will not promote the spread of fire. Anti-aging long-time sunshine panels are produced by co-extrusion process of anti-ultraviolet UV layer and polycarbonate, which ensures the stability of products against ultraviolet radiation. It prevents the sunshine panel from fading due to aging and decomposition, and decreases the transmittance. The product has a service life of more than ten years. Good corrosion resistance sunplate can resist the corrosion of various organic acids, inorganic acids, weak alkali, vegetable oil, neutral salt solution, aliphatic hydrocarbons and alcohol at room temperature. Weatherproof strong sunshine plate can adapt to all kinds of adverse weather changes from cold to high temperature. The low temperature embrittlement temperature of the product is - 100 C, and the high temperature softening temperature is + 146 C. Under long-term load, the allowable service temperature is 140 -+120 (?) C, and under short-term load, the allowable service temperature is 190 (?) ~+135 (?). Within this range, there will be no obvious deformation and failure of the sheet. It is not easy to dew. In general, when the outdoor temperature is 0 C, the indoor temperature is 23 C and the indoor relative humidity reaches 40%, the inner surface of the glass will dew. Under the same temperature difference, when the indoor relative humidity is below 80%, the inner surface of the solar panel will not dew. The thermal expansion coefficient of the solar panel with good thermal insulation and sound insulation is 7.0 *10-5M/MCo, and the heat transfer coefficient of the solar panel with double layers is 2.3-3.9W/M2Co. Because of the special hollow structure with anti-ultraviolet protective layer, under the same thickness conditions, solar panels can save energy than ordinary glass and effectively reduce building energy consumption. In addition, the special hollow structure can effectively reduce noise and has good sound insulation effect. With good processability, the plasticity and flexibility of sunshine panels make them ideal materials for installing arch lighting roof and decorating other curved surfaces. At room temperature, bending can be carried out along the direction of ribs. The minimum bending radius of double-deck hollow solar panels is 175 times the thickness of the panels. Strong impact toughness sunshine panels can maintain good impact resistance for a long time in the range of - 40 120 C. Its impact strength is 10-27 times that of organic glass and 20-40 times that of ordinary glass. It is not easy to break in the course of transportation, installation and use, nor brittle fracture like glass. It can avoid harm to people or things, and has great security. Sunshine panels can be widely used in lighting roofs and interior decoration of various buildings (public, industrial, civil, commercial, etc.); waiting halls of railway stations and airports and overpasses, passage roofs; roofs of public service facilities such as bus stations and ferry terminals and decorative garden trinkets, agricultural greenhouses and indoor aquaculture greenhouses; skylights, cellars, arched roofs and shopping mall roofs; Exotic decorations and lounges in recreational and recreational places; advertisements for road signs, light boxes and exhibition layout for transparent and sound insulation barriers; high-grade interior decoration boards, walls, roofs, etc.