Stainless steel subway special fire evacuation signs, rail transit evacuation guidance signs

型号：

HHBDT

规格：

220*165mm

材质：

304不锈钢

Stainless steel subway special fire evacuation signs, rail transit evacuation guidance signs
Specifications: *
Model:
Material: stainless steel
Application: subway, station fire evacuation channels
Features: , using stainless steel plates of -mm national standard level 3 or above, stainless steel metallurgy is formed at one time under high temperature and high pressure. The surface graphics are etched and sunk, and the negative side is coated with light-storing material.
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Long-afterglow self-luminous material is used as the light-storing material. After absorbing light for a short period of one minute, it can still continue to glow for hours in the dark. Its self-luminous material meets the following requirements:
Appearance color: light yellow or green powder.
Luminous color: light yellow gloss or green gloss.
Main peak wavelength of luminescence
Excitation light wavelength range:
3. The surface of the mark shall not be lower than the B/- level.
, the weather resistance, color adhesion, corrosion resistance, impact resistance, water resistance and radioactivity of luminescent fire safety evacuation signs should meet the requirements of .3-.
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