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Best window tint online to cut our infrared and uv
No life (a.k.a. DattoMaster)
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2002/10/28 6:49
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Not many tints cut out infrared rays
but most reduce or cut uv totally can
anyone suggest something online that
cuts out the most infrared rays?

I found 3m has one that cuts 78% but
yet cant find it online.

Some home tints cut out up to 98% but
what makes them useless for cars?

Posted on: 1/15 4:34
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Re: Best window tint online to cut our infrared and uv
Just popping in
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House films are contructed with a Dry Adhesive, not suitable for shrinking to the curved glass.

Auto films are manufactured with a pressue sensetive film designed to shrink to curved glass on installation.

All films will generally cut out UV rays or 99% +

All films will cut out a portion of IR Radiation. Some better than others.

... and do not just concern yourself with IR rejection. Look at the heat rejection. Energy from the sun comes from Light we see, IR and UV (simply speaking).To get the best heat rejection, you need to cut out light, UV and IR.

Look at Johnson Window Films 'INSULTIR' Film in my opinion. Its 35% has heat rejection of 50% with 73% IR rejection, and the 20% has heat rejection of 54% with 74% IR rejection. Both are 99%+ UV rejection, and a ceramic manufactured film.

Cheers

Posted on: 1/15 5:23
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Re: Best window tint online to cut our infrared and uv
No life (a.k.a. DattoMaster)
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I should have given my purpose or reasons....
but thank you for the information its very useful
I need to use non ceramic or non nano ceramic film
needs to be metal layered to reduce ionizing microwaves
no care in the world if smart phone or connection fails
inside our car for the health of our young family
https://www.youtube.com/watch?v=P5AYRWvjiVg

Posted on: 1/15 15:33
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Re: Best window tint online to cut our infrared and uv
Just popping in
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Understood.

In that case you may want to check out Solar Gard LX70.

All metalised films will cut out a portion of EMR, but I believe the LX70 cuts out the most and on a much wider frequency.

Posted on: 1/15 21:19
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Re: Best window tint online to cut our infrared and uv
No life (a.k.a. DattoMaster)
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Thank you nak3d we wont feel so naked :)

There are alot of parents looking for solutions
in the US and pretty much everywhere but most
dont know where to look. This is very useful in
that the ratings and materials are now designed
to let microwaves in our cars making way for the
self driving cars of the ageing populous that are
sold tech/products to not use their bodies/brains

just for reference

Metallized film, like dyed film, keeps heat away from interior space by reflecting it away; in the case of metallized film, this is done by very small metallic particles invisible to the eye embedded in the film. This metallic content strengthens the window as well; in the case of a vehicle, the window will be that much more shatter-resistant when metallized film is used. Metallized window-tinting film creates a shiny appearance from the outside. It is more resistant to scratches than dyed film. When used in a vehicle, however, one drawback of metallized film is the fact that its metallic content has a tendency to interfere with cell phone and GPS transmission, not to mention radio reception.

Polarized using wires or Polarizer grids

For waves with electric fields perpendicular to the wires, the electrons cannot move very far across the width of each wire. Therefore, little energy is reflected and the incident wave is able to pass through the grid. In this case the grid behaves like a dielectric material.

Overall, this causes the transmitted wave to be linearly polarized with an electric field that is completely perpendicular to the wires. The hypothesis that the waves "slip through" the gaps between the wires is incorrect.[8]

For practical purposes, the separation between wires must be less than the wavelength of the incident radiation. In addition, the width of each wires should be small compared to the spacing between wires. Therefore, it is relatively easy to construct wire-grid polarizers for microwaves, far-infrared, and mid-infrared radiation. In addition, advanced lithographic techniques can also build very tight pitch metallic grids, allowing for the polarization of visible light to a useful degree. Since the degree of polarization depends little on wavelength and angle of incidence, they are used for broad-band applications such as projection.

Analytical solutions using rigorous coupled-wave analysis for wire grid polarizers have shown that for electric field components perpendicular to the wires, the medium behaves like a dielectric, and for electric field components parallel to the wires, the medium behaves like a metal (reflective).[9]

Posted on: 1/16 0:56

Edited by D on 2019/1/16 1:33:30
Edited by D on 2019/1/16 2:01:00
Edited by D on 2019/1/16 2:03:14
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