Foshan laminated glass manufacturer SGP film why the hardness is higher than PVB film
Release time:
Oct 24,2024
We are a Guangdong laminated glass factory, which can provide you with high cost-effective laminated glass prices. We also have excellent laminated glass processing technology and experienced laminated glass installation methods. The application effects of laminated glass are industry standards.
The reasons why SGP film is harder than PVB film can be attributed to the following:
Material composition and reinforcement
Material basis: SGP (enhanced PVB) is enhanced and strengthened on the basis of PVB, and its superior performance is achieved by adding additional layers and chemicals. In particular, the middle layer of the SGP is mainly made of polyurethane resin, which itself has high hardness and strength.
Strengthening treatment: SGP may also undergo specific strengthening treatments during the production process, such as increasing the degree of cross-linking of molecular chains and increasing the density of the material, which all help to improve its hardness.
mechanical properties contrast
Tear strength: Under the same thickness, the tear strength of SGP is five times that of ordinary PVB. This means that the SGP is more difficult to break when torn by an external force, showing higher hardness and toughness.
Hardness contrast: the hardness of SGP is also significantly higher than that of PVB. Data show that the hardness of SGP can reach 30-100 times that of PVB, which makes SGP more effective in resisting external impact and pressure.
Application Scenarios and Requirements
Safety performance requirements: Because SGP has higher hardness and strength, it is more suitable for scenarios that require higher safety performance. For example, in areas where natural disasters such as storms and earthquakes occur frequently, the use of SGP as an intermediate layer of laminated glass can significantly improve the safety and durability of buildings.
Structural stability: The connection between the SGP and the glass is an ionic level connection, which makes the two pieces of glass almost permanently bonded together.
Even if the two pieces of glass of the laminated glass explode at the same time, the SGP film can still stick to the glass fragments to form a temporary structure with small bending deformation and a certain amount of load, thus maintaining the stability of the structure.
In summary, the reason why SGP film is harder than PVB film is mainly due to its material composition and enhancement processing, excellent mechanical properties, and application scenarios that meet higher safety performance requirements. These characteristics make SGP have a wide range of application prospects and important market value in the field of laminated glass.
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