Diffuse reflective glass is a general term for a type of glass with a wide range of uses, especially in architectural applications. Our topic is diffuse reflective glass used in greenhouses. Diffuse reflective glass greenhouses are also known as diffuse glass or anti-reflective glass. To understand diffuse reflective glass, we first need to understand the definition of haze: a beam of light deflects after passing through glass. Light within a 2.5° angle is considered direct light, while light outside that angle is considered diffuse light. The ratio of diffuse light to direct light is the haze. Diffuse light can be understood as haze. The greater the haze, the higher the scattering; the smaller the haze, the lower the scattering. The relationship between haze and hemispherical transmittance is: the greater the haze, the higher the scattering and the lower the hemispherical transmittance; the lower the haze, the lower the scattering and the higher the hemispherical transmittance. The higher the hemispherical transmittance of the glass, the more sunlight reaches the greenhouse interior. On average, greenhouse crops receive 1-2 hours more sunlight per day than with other types of glass. Next is the concept of anti-reflective glass. Generally speaking, anti-reflective glass is a...

In the current commercial greenhouse model, the glass used on the top of the greenhouse is basically tempered glass. However, in recent years, we have heard feedback from some customers that the tempered glass installed on the top of the greenhouse will explode. However, according to our statistics, the proportion of greenhouses with self-explosion is extremely small, and most greenhouses do not have such a situation. For the exploration of this part of the data, we concluded that the self-explosion is not a quality problem of tempered glass, but a problem occurred during the installation of greenhouse glass. Then we need to analyze under what circumstances tempered glass will explode. Before the analysis, we can first understand the tempering principle of tempered glass. Tempered glass is a physical phenomenon that changes the internal stress of the glass. By changing the internal state of the glass, the internal stress after impact can offset a certain amount of external force to reduce the possibility of breakage. Even if it is broken due to excessive impact force, the broken part is a rounded blunt angle, which will not cause the risk of secondary scratches. What are the reasons for the self-explosion of tempered...

Anti-reflective glass is a specially developed glass type used for greenhouse roofs. The production process for anti-reflective glass is as follows: ultra-clear float glass (embossed) – ultra-clear Nashiji diffuser glass – ultra-clear Nashiji anti-reflective glass (coated). (Note: All of these glass types are tempered glass.) Differences between greenhouse Nashiji anti-reflective glass and other glass types: First: Haze Visually, haze indicates opacity. Because of the embossing, it appears hazy, but light transmittance is not reduced. Nashiji anti-reflective glass has eight haze levels, like a scale, corresponding to different levels of scattered light. Second: Light transmittance As the primary covering material for greenhouse roofs, high light transmittance means higher greenhouse productivity. The standard light transmittance of greenhouse anti-reflective glass is 97.5%. In the blue-violet wavelength range required for crop growth, the light transmittance of anti-reflective glass can reach over 99%. Third Point: High Yield Increase Anti-reflective glass is developed and manufactured specifically for glass greenhouses. Its purpose is to increase light transmittance and productivity. Compared to greenhouses using ordinary ultra-clear float glass, anti-reflective glass increases yield by over 30%. Fourth Point: No Drip The no-drip feature was also developed specifically for greenhouses. Greenhouses are inherently hot and humid environments. Due to temperature...

The use of 4mm thick glass in a glass greenhouse is primarily based on a combination of factors: light transmittance, cost-effectiveness, safety, and practical application. The following is a detailed analysis: 1:Light Transmittance One of the primary functions of a glass greenhouse is to provide sufficient light for plants. 4mm thick glass typically has a high light transmittance, ensuring that plants within the greenhouse receive sufficient light, thereby promoting photosynthesis and growth. Compared to 5mm thick glass, 4mm glass typically has a light transmittance that is approximately 1% higher. While this difference may seem insignificant, in greenhouse cultivation, even a small increase in light transmittance can have a significant impact on crop yield and quality. 2:Economical From a cost perspective, 4mm thick glass is generally more economical than 5mm thick glass. This helps reduce greenhouse construction and operating costs, improving return on investment. In practice, 4mm glass is sufficient to meet the light and structural safety requirements of most planting greenhouses, nursery greenhouses, and research greenhouses, eliminating the need to choose thicker glass. 3:Safety 4mm thick tempered glass has demonstrated excellent safety. Tests such as heavy ball drop tests and sandbag impact tests have shown that 4mm tempered glass can...

Glass greenhouses are currently the highest-quality greenhouse type. Besides the frame, glass is also a crucial component. High-quality glass not only improves a greenhouse’s light transmittance but also significantly increases its production capacity. What types of glass contribute to greenhouse production capacity? 1. Diffuse glass. The greenhouse frame irreversibly blocks light, with the side walls being the hardest hit. During cultivation, it’s obvious that crops near the side walls grow poorer than those in the center. Diffuse glass disperses incoming light, evenly distributing it to every corner of the greenhouse. In soilless greenhouses, the lush branches and leaves at the top of crops block light from the roots. Diffuse glass directs light directly to the roots, preventing the growth of gray mold caused by long-term light deprivation. 2. High-transmittance glass The light transmittance of a piece of ordinary glass is 88%-90%, while coated glass achieves a light transmittance of 95%-97.5%. We often say that every ounce of sunshine equals every ounce of harvest. Assuming plant photosynthesis is at full capacity, higher light levels significantly increase plant yields. The difference in total productivity between a greenhouse with 88% transmittance and one with 97.5% transmittance is approximately 36%. 3. Suitable Haze Glass...

I. Coating Process Types Magnetic Sputtering Coating Advantages: Advanced technology, uniform coating layer with strong adhesion, low reflectivity, and transmittance up to 97.5%. Suitable for high-precision optical applications (such as museums and electronic equipment). Disadvantages: High production cost, requires precision equipment, and is limited in large-scale application. Etching Coating Process Advantages: Chemical etching creates a surface concave-convex structure, significantly improving transmittance (for example, greenhouse-specific anti-reflective glass has a transmittance of 97.5%). Suitable for agricultural greenhouses and photovoltaic applications. Disadvantages: Weak resistance to environmental corrosion; long-term exposure to high temperature and humidity may cause degradation of the coating’s performance. Roller Coating/Pulling Coating Process Advantages: Low cost, simple process, similar to film application, and significant short-term transmittance improvement. Disadvantages: The film layer is easily damaged by the environment (such as sunlight and rain), presenting a risk of detachment. Transmittance also decreases significantly over long-term use. II. Comprehensive Comparison Transmittance and Energy Efficiency: The etching process offers the highest transmittance (97.5%), significantly improving plant photosynthetic efficiency, but requires regular maintenance to prevent film aging. Durability and Cost: Magnetron sputtering offers a long lifespan but requires a high initial investment. Roller coating, while economical, requires frequent replacement, potentially leading to higher overall costs. Environmental...