What's the best material for the dome mask?
. Glass is cheaper, only in the small building materials market and remote areas to see.
Price is also the highest acrylic, general 40W in more than 100, good brand retail to sell around 140. Plastic as long as 60, 70 or so, good brand manufacturers generally do not have this kind of product, only small manufacturers do, and many use saliva material made, the cost is very low, poor heat resistance, easy to yellow
In general the translucent plastic mask up to 60%, while the acrylic can reach more than 90%, and by two the acrylic light stretching from the surface is very uniform, can not see the light, the plastic glass worse, even worse, if the installation is not solid, fall will hit people.
. It is best to import acrylic two stretch, acrylic is a plastic, is soft, lightweight, good transparency, not easy to be dyed, and not due to the chemical reaction heat and light yellow, transparent it is most concerned about.
The most common are acrylic masks, plastic masks and glass masks.
