Heat Blocking Face Shield Menu Technical Overview Heat Blocking Face Shield(Standalone Type) For Fire Fighting For Industrial Use For Ships For Air Respirator For Air Respirator Heat dissipation and maximum visibility at smoke-rich fire site Standard Specification Material PC / PES Standard Size(mm) 230 x 140 x 2 Shape Curved Luminous Transmittance 80% Luminous Transmittance(%) (380nm~780nm) Infrared Transmittance(%) (780nm~1300nm) Ifrared Transmittance(%) (1300nm~2000nm) 80 20 12 It is a product that has been tested and certified by a certification authority in a partner company.Size and thickness can be customized at the request of the customer.