is 580p polycarbonate
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Polycarbonate lenses are up to 10 times more impact-resistant than plastic or glass lenses and provide 100% protection from the sun's harmful UV rays. They are also lightweight which adds to the comfort of your sunglasses. So.... customers requested a more lightweight, impact resistant Costa 580 lens for use during fast-paced, aerobic activities and so they developed a polycarbonate lens that still lived up to their high standards for visual clarity and durability. The 580 lenses are available in the polycarbonate lenses and they call it 580P. Hope this helps you. Debbie
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The Vita-Prep 3 comes with a 64 ounce polycarbonate container that is NSF-Certified. NSF certification is very important for restaurants that wish to promote food safety.
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No they dont. You wear them as if its a protection glasses like the ones you wear on a construction site. Optician can make the lense with power. Thats what I did for my 10 yesrs old son. Didnt use polycarbonate lense as its costly. There are alternative lense which are strong too. Your optician will advise uou.
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Here is the exact model DPG54, DeWalt specs: Dewalt Protector lightweight protective glass - Indoor/Outdoor lens. Economy with style. Best in class OPP item is the best unit volume seller. Polycarbonate Lens provides 99.9% UV protection. *Indoor/Outdoor lens - mostly used where people frequently go from inside to outside and vice versa*Ergonomic lightweight design, weighs less than 1.0 oz for a comfortable fit*Rubber tipped temples, provide a secure comfortable fit*Soft, rubber nosepiece provides comfortable non-slip wear*Tough, polycarbonate lens meets ANSI Z87.1+ standards Here is the exact model DPG54, DeWalt specs: Dewalt Protector lightweight protective glass - Indoor/Outdoor lens. Economy with style. Best in class OPP item is the best unit volume seller. Polycarbonate Lens provides 99.9% UV protection. *Indoor/Outdoor lens - mostly used where people frequently go from inside to outside and vice versa*Ergonomic lightweight design, weighs less than 1.0 oz for a comfortable fit*Rubber tipped temples, provide a secure comfortable fit*Soft, rubber nosepiece provides comfortable non-slip wear*Tough, polycarbonate lens meets... » Read More Here is the exact model DPG54, DeWalt specs: Dewalt Protector lightweight protective glass - Indoor/Outdoor lens. Economy with style. Best in class OPP item is the best unit volume seller. Polycarbonate Lens provides 99.9% UV protection. *Indoor/Outdoor lens - mostly used where people frequently go from inside to outside and vice versa*Ergonomic lightweight design, weighs less than 1.0 oz for a comfortable fit*Rubber tipped temples, provide a secure comfortable fit*Soft, rubber nosepiece provides comfortable non-slip wear*Tough, polycarbonate lens meets ANSI Z87.1+ standards « Show Less
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I think it's made of PP without any adders. Only looking after BPA will not really help. Some BPA-free Plastics now contain BPS, which is maybe much more dangerous. The best is, to reduce plastic as much as possible.
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No it's a very clear but tough polycarbonate not sure of the exact makeup, but of the 3 I have no distortion and no marking so it appears to be very tough.
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The plastic marking on the tray says it is #5 PP, which is polypropylene. My understanding is that polypropylene is BPA free.
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I appreciate your response Marjorie. Though perhaps the product has changed since you last ordered. This is what the Tovolo website had to say about it: Do the Freezer Pop Molds contain BPA?BPA has only been found in Polycarbonate Plastic; all of our Pop Molds are made from Polypropylene (PP) Plastics, which have a recycle number of five.If you have any questions about BPA and Polycarbonate plastics, please visit the below website for information:* http://www.bisphenol-a.org
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Not really, it is pointless for that purpose. A mild acidic solution will dissolve away hard water deposits with minimal abrasion instead of maximum abrasion. Further, abrasion on polycarbonate can have a hidden problem later on that it somewhat to completely removes a UV protective layer which leads to yellowing from UV (sun) exposure.
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You can buy colored polycarbonate that is just like translucent green-house polycarbonate. I would assume corrugated metal sheet should work well also. The lighter the better though since cheap 2x2 is not very strong. Could make a 4x8 box inside to support more weight. Wood siding on the outside and a heavy shingle roof will most likely need some 2x4 supports. But with the extra weight the structure needs an even stronger base to more it around (skids etc). Really once you go clear polycarbonate it is hard going back to a dark inside structure especially with single wall corrugated polycarbonate that you can clearly see thru.
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According to product pages on other websites, "Polycarbonate Lens provides impact protection. All lenses provide 99.9% UV protection."
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I'm sure it's not PET, same for polypropylene, polycarbonate is a possibility but the clarity seems a bit better than that, not to mention the price is a tad more reasonable. I'm a carpenter and not a chemist so this is only a guess - I'm going with Acrylic, based only on clarity and price. One thing to keep in mind is that I use these jars to store meds for a cat who might only live another six months so I'm not worried about contaminants. If you're young enough to be worried about out gassing, BPA or other possible plastic corruption to foodstuffs then store them in glass only.
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Hi Kris: Yes the P5 is made of polypropylene. Thank You, WaterFiltersOnline
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There are seven classes of plastics. Types 1 (PET), 2 (HDPE), 4 (LDPE), 5 (polypropylene), and 6 (polystyrene) do not use bisphenol A. Type 7 is the catch-all "other" class, and some type 7 plastics, such as polycarbonate (sometimes identified with the letters "PC" near the recycling symbol) and epoxy resins, are made from bisphenol A monomer. When such plastics are exposed to hot liquids, bisphenol A leaches out 55 times faster than it does under normal conditions, at up to 32 ng/hour.*Scientific American February 19, 2008 article by David BielloThis doesn't really answer the original question. I might be concerned about the clear, hard plastics- found in these steamers for example, but not other kinds of plastics. There are seven classes of plastics. Types 1 (PET), 2 (HDPE), 4 (LDPE), 5 (polypropylene), and 6 (polystyrene) do not use bisphenol A. Type 7 is the catch-all "other" class, and some type 7 plastics, such as polycarbonate (sometimes identified with the letters "PC" near the recycling symbol) and epoxy resins, are made from bisphenol A monomer. When such plastics are exposed to hot liquids, bisphenol A leaches out 55 times faster than it does under normal conditions, at up to 32 ng/hour.*Scientific American February 19, 2008 article by David BielloThis doesn't... » Read More There are seven classes of plastics. Types 1 (PET), 2 (HDPE), 4 (LDPE), 5 (polypropylene), and 6 (polystyrene) do not use bisphenol A. Type 7 is the catch-all "other" class, and some type 7 plastics, such as polycarbonate (sometimes identified with the letters "PC" near the recycling symbol) and epoxy resins, are made from bisphenol A monomer. When such plastics are exposed to hot liquids, bisphenol A leaches out 55 times faster than it does under normal conditions, at up to 32 ng/hour.*Scientific American February 19, 2008 article by David BielloThis doesn't really answer the original question. I might be concerned about the clear, hard plastics- found in these steamers for example, but not other kinds of plastics. « Show Less
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Polycarbonate Plastic. Same as the original head lights. They do it to save on wieght. I'd rather skip a donut every now and then and have the old glass ones myself.
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#7 Polycarbonate contains bisphenol-A, a the hormone disruptor. This chemical can leach out when it is heated or exposed to acidic solutions. This type of plastic is very common in sports bottles and is used in most baby bottles and 5-gallon water jugs - watch for this one!
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I am not familiar with 58045. I just know that this product is very good and fit my needs