The difference between PMMA and polycarbonate light diffusers

PMMA (polymethylmethacrylate) and polycarbonate (PC) are common Light Diffuser materials used in lighting equipment. The following will introduce the differences between PMMA and polycarbonate light diffusers.

First of all, in terms of transparency, PMMA has high transparency and can provide clear light transmission. In comparison, polycarbonate is slightly less transparent because it has some scattering effects. This means that light diffusers made with PMMA are better able to maintain light clarity, whereas polycarbonate light diffusers may scatter light to some extent.

Secondly, in terms of impact resistance, polycarbonate has better impact resistance. Polycarbonate materials have high toughness and tensile strength, making them resistant to impact and crushing when stressed. In comparison, PMMA materials are brittle and prone to cracking. Therefore, polycarbonate light diffusers are more commonly used in applications that require high impact resistance, such as outdoor lighting.

Third, in terms of heat resistance, polycarbonate has high thermal stability. It has a higher glass transition temperature, can withstand higher temperature conditions, and is not easy to melt or deform. In contrast, PMMA has poor heat resistance and is easily deformed by heat. Therefore, polycarbonate light diffusers generally perform more stably and reliably in high temperature environments.

In addition, in terms of cost, the cost of PMMA is relatively low, while the cost of polycarbonate is high. This makes PMMA more popular in some projects with higher economic requirements.

Finally, in terms of processability, PMMA has better processing performance. It is easily machined into a variety of shapes and detail requirements, making it suitable for complex light diffuser designs. In contrast, polycarbonate is more difficult to process due to its higher melting temperature and viscosity, requiring higher processing temperatures and pressures.

In general, there are differences between PMMA and polycarbonate light diffusers in terms of transparency, impact resistance, heat resistance, cost, and processability. Selecting the appropriate material depends on the requirements of the specific application and budgetary considerations. By fully understanding these differences, manufacturers and consumers can make more informed choices when using light diffusers.

Jiangmen Kunxin New Material Technology Co., Ltd has got over 10 years in Polycarbonate sheets and Acrylic Sheets manufacturing and supplying, and achieve two brands "J.K Optics" and "KunXin plas", which specialize in the optical Acrylic and Polycarbonate diffusion sheet and Textured Acrylic Panel manufacturing separately, has been serving the lighting industry & decoration material market for more than 10 years, products included: Light Diffuser.Optical Diffuser Film & Reflector.Light Guide Plate.Clear Acrylic Sheet.Reeded Or Stripe Acrylic Sheet.Textruded Acrylic Sheet ;