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Thread: Bl Vs Blb

  1. #1
    necro's Avatar

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    Default Bl Vs Blb

    ok..i am gathering materials to build an exposure unti. I had scoured the boards to get tons of info, but could never find out which bulbs are better..black blacklight or white blacklight bulbs. I know ferg suggested to someone to go with blb but whats the difference? are thet the same wattage? what is the most important factor with the bulbs? I know UV is the key, but what produces the most UV?

    My box will consist of 6 36" bulbs. I already have my 6 fixtures, just trying to figure which black lights to go with...

    Thanks
    Last edited by necro; 05-10-2005 at 07:25 PM.

  2. #2
    jasoncross's Avatar

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    I us the BL...I was told BLB was blacklight blue, they use them for hospitals, etc.

    F40BL

  3. #3
    necro's Avatar

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    Thanks Jason!

  4. #4
    ferg2001's Avatar

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    Default

    Quote Originally Posted by necro
    ok..i am gathering materials to build an exposure unti. I had scoured the boards to get tons of info, but could never find out which bulbs are better..black blacklight or white blacklight bulbs. I know ferg suggested to someone to go with blb but whats the difference? are thet the same wattage? what is the most important factor with the bulbs? I know UV is the key, but what produces the most UV?

    My box will consist of 6 36" bulbs. I already have my 6 fixtures, just trying to figure which black lights to go with...

    Thanks
    i was wrong because i use what jason recomended. my bad

  5. #5
    wally's Avatar

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  6. #6
    necro's Avatar

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    I appreciate everyone's responses. Thanks!

  7. #7
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    Black Light Blue are party bulbs, pretty useless for exposures. (it'll happen but takes 30 minutes)

    What you want are these:

    Philips T-12 Black Light* Actinic Fluorescent Lamp with Medium Bipin Base.
    "Produces UV Light often used for Chemical Processing and Insect Trap Applications"

    You'll probably have to order them. On my table they burn 200 yellow mesh in just over two minutes and white mesh at about a minute and a half.

    I don't know if they come for 36" ballasts (how did you end up with that size?) but the order numbers for 24 and 48 are: f40t12, f20t12
    Last edited by Shad; 05-11-2005 at 01:21 PM.

  8. #8
    necro's Avatar

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    Quote Originally Posted by Shad
    Black Light Blue are party bulbs, pretty useless for exposures. (it'll happen but takes 30 minutes)

    What you want are these:

    Philips T-12 Black Light* Actinic Fluorescent Lamp with Medium Bipin Base.
    "Produces UV Light often used for Chemical Processing and Insect Trap Applications"

    You'll probably have to order them. On my table they burn 200 yellow mesh in just over two minutes and white mesh at about a minute and a half.

    I don't know if they come for 36" ballasts (how did you end up with that size?) but the order numbers for 12 and 48 are: f40t12, f20t12
    Thanks for the specifics. I went with 36" because of my lack of room. I just cant do 48". I will look into Philips to see if there is a 36" size.

  9. #9
    necro's Avatar

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    Quote Originally Posted by wally
    any clue how long exposure time is with these bulbs?

  10. #10
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    Default

    is this the same thing as you guys use?
    http://www.bltdirect.co.uk/item24.htm

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