Heating plastics such as Sintra or Boiling - FumesSubscribe
  1. Member Since
    Feb 2010
    Feb 4, 2010, 10:07 AM - Heating plastics such as Sintra or Boiling - Fumes #1

    I know a simple manner of shaping your plastics is to heat them up using a boil or oven method, but also that heated plastic can cause toxic fumes. Using any of these methods does it still produce the dangerous fumes since I see people doing it in their homes, I guess I would like to know what limits should be taken with heating this stuff up? Read folks who use heat guns would do it outside for protection from the fumes but was wondering then wouldn't you get the same result in a house?

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  3. stormtrooperguy's Avatar
    Member Since
    Dec 2004
    Feb 4, 2010, 4:08 PM - Re: Heating plastics such as Sintra or Boiling - Fumes #2

    I'm no expert at all, but in general... yes, hazardous fumes can be released in a lot of the things people here do... heating plastic, fiberglass, resin, etc...

    Each product should have a material safety data sheet which explains the hazards of that particular item. You just have to act appropriately for the thing you're working with.

    Everyone has his/her own set of precautions.

    For example, I built a room that is externally vented with fairly powerful fans. I wear a charcoal filter mask whenever I'm working with anything bad... one of the big rubber ones that seals tight over my nose and mouth. I wear long sleeves and latex gloves. I always wear eye protection, either goggles or a full face shield.

    Some people work with fiberglass with lit cigarettes in hand.

    All you can do is make the right decision for you.

    Personally, I find PVC to be the worst, fume-wise, and styrene to be pretty minimal.
  4. I helped at SDCC '08 NovallTalon's Avatar
    Member Since
    Feb 2007
    Feb 4, 2010, 4:32 PM - Re: Heating plastics such as Sintra or Boiling - Fumes #3

    The experience I've had heating Sintra (PVC foam board) in the oven has always been fairly positive as far as fumes go. The main thing to keep in mind is that you need to be in a well ventilated area as Stormtrooperguy said. You can avoid some fumes by using the boiling water method, but there you have to worry about the water.

    No matter what method you use, the main thing to remember is to stay safe. Good ventilation, heat mits, breathing protection...all these are good things to have when working with plastics and fiberglass/resins and heat.
  5. Feb 27, 2010, 6:09 PM - Re: Heating plastics such as Sintra or Boiling - Fumes #4

    where do you guys get Sintra ? pm me please
  6. Formely Jaing Skirata Aden Skirata's Avatar
    Member Since
    Apr 2008
    Feb 28, 2010, 3:54 AM - Re: Heating plastics such as Sintra or Boiling - Fumes #5

    ive worked with sintra extensively and ive never experienced the fume problem DURING HEATING. but, i've never cooked it either. ive heard that is te worst method for fume production but the best for quick easy shaping. i figure i dont wat killer fumes where i cook my food. for 3mm sintra, i use a heatgun for shaping and it works like a champ. it's basically a hair dryer on steroids you can get at a hardware store for about 15.00. 6mm sintra is a beast. i have an old deep stock pot i use. i bring the water to a boil and drop the plates in. ive not experienced fumes with either method. as a side note, i'll never prepare food in that pot again cuz who knows what residue is a part of it now.

    ive only experience fumes with sintra when cutting it. i also cut it in the garage with the roll up open or outside on the patio and i always where a cheap respirator mask. 3,,can be cut easily with a dremel. 6mm will kill dremels like raid kills bugs. for the 6mm you need to use a skill saw.

    as far as getting it... sintra is a name brand for pvcx foam board like kleenex is a name brand for tissues. when you go hunting for it, ask for it by both names. it's primary use is for sign making. if you have a store nearby that makes custom signs, you can hit them up for it. some but very few hardware stores will have it. also, plastics suppliers carry it as well. prices will vary by a couple bucks here and there depending on where you're getting it but a 4'x8' sheet of sintra will make 2-2 1/2 full sets of light or boba style armor or it will make 1 1/2-2 sets of medium or jango style armor... minus the gaunts. the sheet of 3mm sintra will cost about 30.00. a sheet of 6mm in silver grey (my personal favorite) will run about 75.00. if you dont have a local source and have to have it shipped in, by the time you buy it, pay the shipping, print the templates, cut it and shape it, youre better off buying a prefabbed set. tk2280 here and at mando mercs makes very nice very fair priced sets. also cyanide on ebay has nice sets as well.

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