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  4. What are the types of light transmittanc...

What are the types of light transmittance of PC covers for LED tubes?

What are the types of light transmittance of PC covers for LED tubes?

The luminous flux of the LED lamp tube has a great relationship with the PC used in the LED lamp tube. The transmittance of each PC transparent cover is different, so even if it is the same power, the same lamp beads, the same The LED lamps are equipped with PC covers with different light transmittances, and the brightness is also different.

led

LED lamp tube PC cover is basically used PC cover, basically no glass cover. They are all manufactured by processing PC particles (chemical name: polycarbonate) and then mixing with diffusion powder.



How many kinds of light transmittance are there for LED lamp PC cover?



PC cover is roughly divided into the following types: transparent cover, transparent striped cover, diffused striped cover (our company called: thick striped cover), milky white diffused cover.



(This is a light source lamp bead that can be seen with a transparent cover)



Transparent cover: Gu Mingsi intended that the transparent cover is a transparent PC cover. The lamp tube made by this cover can see the lamp beads, which is very dazzling and easy to dizzy, which does not meet the human requirements for light. The light transmission performance is good, and the light transmission rate can reach 91%.



Transparent stripe cover: This cover is a translucent cover, which can break the light, but the light is not uniform enough, it will not be dazzling, and the light transmittance is about 88%.



Diffusion fringe cover: Also called thick fringe cover, the light transmittance of this shell is about 86%. The products made by this shell do not seem to have the feeling of dark areas.



Orange diffuser cover: This cover is also the cover used by most manufacturers on the market. The general light transmittance of this shell is 83-85%; the light transmittance below 83 is completely invisible.



Characteristics of qualified LED T8 lampshade:



1) With high light transmission, high diffusion, no glare, no light shadow;



2) Suitable for the use of LED lamps;



3) Realize the conversion of point light emission into spherical light emission



4) Excellent light source concealment (effectively adjust the diffusivity and light transmittance, and the light transmittance reaches the maximum without seeing the lamp beads);



5) The light transmittance reaches 94%;



6) High flame resistance;



7) High impact strength;

If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.


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