$19.95 Buy It Now or Best Offer
free,30-Day Returns
Seller Store iradinc
(4481) 100.0%,
Location: Stuart, Florida
Ships to: US,
Item: 265470987380
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Alpha-Film Rad-Film 8X4:Alpha-Film Rad-Film 8X4
Country/Region of Manufacture:United States
MPN:Alpha-Film8X4
Ludlum:Ludlum
This listing is for 2 pieces of new precut material Two pre-cut 8″ by 4″ pieces of 0.8 mg/cm² aluminized polyester known as Alpha-Film (aka Rad-Film) used as an opaque window material in Alpha Radiation Detectors. This is enough material to replace the window of many popular detectors by Ludlum and others. It is also often used as a very thin opaque window for low energy gamma, x-ray, and XRF detectors. I have pre-cut 2.75″ and 3.75″ square pieces available in other listings, and can custom cut sizes to your specifications on request.There really is only one (reasonably priced) material that will allow the passage of alpha particles while blocking all light, this aluminized polyester material is often referred to as Alpha-Film or Rad-Film.Alpha-Film is a thin aluminized polyester material used to cover the face of a ZnS(Ag) disk, allowing alpha particles to pass, but keeping light out of the inside of a detector. The material is used for building an Alpha Radiation Detector when an opaque window is needed over a ZnS(Ag) scintillator. It can also be used when making a Spinthariscope for viewing Alpha partial scintillation with the eye when an opaque window is preferred over making a darkened box for the source (the viewing area between the eye and ZnS(Ag) will still need to be enclosed and dark). It is also often used as a very thin opaque window for low energy gamma, x-ray, and XRF detectors. Two or more layers (provided with this listing) of 0.8 mg/cm²Rad-Film should always be used over the ZnS disk to block light from entering the detector, and three layers may be necessary for outdoor conditions. Please see my other listings for other scintillation detector parts and related items.PLEASE NOTE: BECAUSE OF ITS FRAGILITY AND DIFFICULTY WORKING WITH, THERE IS NO RETURN OR REFUND AVAILABLE FOR THE PURCHASE OF ALPHA-FILM. DO NOT ORDER THIS PRODUCT UNLESS YOU AGREE WITH THESE TERMS.READ: This material is VERY difficult to work with, and it is VERY fragile. Additionally, it is impossible to find the material without sporadic microscopic pinholes and/or other defects, so multiple layers must be used to assure light tightness. The use of multiple layers makes it less likely that any two pinholes or defects line up to allow passage of light into the scintillator. I cannot guarantee your success using the film, but provide it with that understanding. This is the primary opaque window material used for making Alpha and ABG detectors, so it is very possible to work with, but careful application is required to successfully use the material. The alpha-film sheets fit stacked over the top of a scintillator and/or PMT, with the ZnS(Ag) on top of the scintillator and/or PMT and each alpha-film sheet overlapping and taped down to the sides.I have tons of other radiation detection related equipment listed, so please check out my other items. I am always adding new items in this category, so please don’t forget to add me to your favorites list and come back often!Please also see my listings for ZnS(Ag) FILM. The 3X3″ sheet can found at https://www.ebay.com/itm/254678080776Please note: When combining item for purchase, please request an invoice from seller BEFORE making payment, so that I can adjust any duplication or overage of shipping charges.I SHIP VERY FAST, USUALLY BY THE NEXT DAY. I only ship to the address on your PayPal account.
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