Can you put styrofoam in the microwave ?
On 10/26/2008 00:07:43
Title says it all. I in truth want to warm up my leftover Panda Express, and I do n’t have any plates or anything, so the take-out box is what I ‘ve got. I ‘m not at all sure if this is the justly forum, but what IS the right one ? I ‘m truly not certain. Thanks !
rhenium : Can you put styrofoam in the microwave ?

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On 10/26/2008 00:28:40
Um, I think there is a “ Food and Beverage ” forum … Under the Arts tab, um, mighty ? First of all, I think the styrofoam should be fine.. you just need to add some water … And, then, what you are heating up depends on what the dish is : lo mein, teriyaki, gripe and peapods, etc. I would : — reasonably sprinkle water onto the top of what you have. — space in microwave carousel COVERED. — atomic warhead possibly 30 seconds. see how that looks. — It will snap and pop, from the water expanding. I would think microwaving for a infinitesimal and some would work. The dish will be piping hot … And, I would go for some of that Oolong tea to have with it ! besides, belly laugh ! Look what I found : hypertext transfer protocol : // ? hl=en & q=reheating+chinese+takeaway & aq=1 & oq= % 22reheating+chinese Mmmm ! Panda Express : ) going to have to see if there ‘s one in the Mass. area : hypertext transfer protocol : // Hope this aid. S .
rhenium : Can you put styrofoam in the microwave ?
On 10/26/2008 00:38:29
SOME styrofoam is microwave-safe equally long as the food is n’t besides buttery – vegetable oil can get hot adequate to melt the foam. But personally, I do n’t put anything in the microwave unless it ‘s specifically labeled .
re : Can you put styrofoam in the microwave ?
On 10/26/2008 02:02:52
With all the public exclaim over plastics/foam in microwaves, you ‘re credibly best buying a plate of some sort, and soon : /
re : Can you put styrofoam in the microwave ?

On 10/26/2008 08:22:38
There are a few things I good do n’t want in my food, cancer being one of them .
ra : Can you put styrofoam in the microwave ?
On 10/26/2008 14:51:02
*sniffles* There is absolutely NO Panda Express within 150 miles of my township. : ( As far as styrofoam goes, I would n’t put it in the microwave unless I absolutely had to … .which in this case, you kind of should. Chinese food is gooey when it ‘s cold. And out of curiosity, why do n’t you have any plates … ? ?
re : Can you put styrofoam in the microwave ?
On 10/26/2008 15:08:26

Which Plastics are “Microwave-Safe”?

Less than 0.1% of people can identify which plastics are (supposedly) safe for microwave cooking.
In general, some plastics are reported safe for use in microwave cooking. If you use plastics in the microwave, identify the plastic and look for an indication that the particular container is microwave-safe. Do not use plastics which you have not identified and Do not use plastics which are not identified as “microwave-safe”.

If it doesn’t clearly say “microwave-safe”, it probably isn’t.

Background – What types of plastics are microwavable?

There are no “microwave safe symbols” in common use.

Obviously, plastics vary in their chemical composition. What they have in common is that they are formed by chemical reaction. If used with food in a microwave,

* they must not further react;
* they must not decompose into the food; and
* they must not leach out components into the food.

The important thing is to identify those plastics which are microwave-safe.

There probably are plastics which are safe for microwave use. The epoxy material used in microwave construction is an example of this (although generally not in contact with the food).

NSF, which certifies food-safe items, states:

* Only use cookware that is specially manufactured for use in the microwave oven. Glass, ceramic containers, and all plastics should be labeled for microwave oven use.
* Never use plastic storage containers such as margarine tubs, take-out containers, whipped topping bowls, and other one-time use containers for cooking or reheating food in your microwave. These containers are not heat resistant and can melt, possibly leaching harmful chemicals into your food.
* Microwave plastic wraps, wax paper, cooking bags, parchment paper, and white microwave-safe paper towels should be safe to use. Never use thin plastic storage bags, brown paper or plastic grocery bags, or aluminum foil in the microwave.

But they seem to have gotten it wrong:

1. Glass does not cause food safety problems in a microwave, and is generally safe for use in a microwave. This includes such items as leaded glass. Glass is rarely labeled.

I have personally heated water in 24% lead glass manufactured by Crystal d’Arques, with no unusual effect. (Leaded glass should not be used for long term food storage and should not be used for storing acidic liquids, but it does not otherwise present a health hazard.)

2. Ceramic is generally not labeled. There some ceramic dishes which cause problems, either because of metal or because the glazing will become hot, but these do not decompose into food. Ceramic does not present food safety problems.

Examples of coatings which can heat ceramic include tin oxide, which is intentionally used on some ceramic microwavable saute pans to apply surface heat to food.

3. Many white paper towels are fabricated with plastics, and are not microwave safe.
4. Glass and ceramic are the preferred materials for use in a microwave oven.
5. They forgot to mention to keep plastics separate from the foodstuff.
6. They totally ignored paper plates. Plain paper is safe, but plastic coated paper is generally not microwave-safe.

As to “brown paper bags”, some people advise using kraft paper as the only safe disposable material for microwave use. It is possible that brown paper bags could present a fire hazard in the microwave under some circumstances, so NSF may be right on that one.

One Bogus Issue

The plastics industry likes to point to an alleged story about plastics forming dioxins in a microwave. This is a totally bogus issue. For one thing, there is no reason for plastic containers to contain dioxin unless the purpose is to store dioxin. Dioxins typically form at temperatures above 370°C. The dioxin issue is of course easy to refute, which appears to be the reason it is raised in the first place.

The dioxin issue has the result of obfuscating such issues as plastics decomposing in food, plastics reacting, and release of toxic elements which are in some plastics. The plastic industry should be educating consumers what plastics to use and not use in a microwave oven. Bringing up a “dioxin” issue makes it more difficult to identify which, if any, plastics are safe for microwave use.

Significantly, most of the “dioxin” stories specifically avoid mentioning the issues of bisphenol A (BPA) and the related issue of diisononylphthalate (DINP). If the article addresses toxins leaching from plastic, it should not avoid the specific issue of bisphenol A and other plasticizers!

Recycling Types

Recycling symbols on the container indicate the type of plastic, but are not definitive of microwave safety. (They also don’t indicate that the plastic is recyclable.) Symbols that identify the type of plastic in a container do not themselves indicate microwaving suitability. Some packages made of polyethylene terephthalate (PET, type 1), for example, are fabricated for high heat resistance, while others are not.

The “recycling types” are at least useful for determining which plastics to avoid in the microwave.

(These “recycling types” are also known as “SPI numbers”, named after the North American Society of the Plastics Industry, which developed the codes.)

So here’s the list

Type 1 – polyethylene terephthalate (PET)

May be safe if marked “microwave safe”, although some recommend against food contact when microwaving.

Type 2 – high density polyethylene (HPDE)

May be safe, although some recommend against food contact when microwaving.

Type 3 – PVC, polyvinyl chloride, vinyl

Do not use in microwave. Also, PVC often contains bisphenol A

Type 4 – Low Density Polyethylene (LDPE)

(mixed commentary regarding microwave safety)

Type 5 – polypropylene

May be safe, although some recommend against food contact when microwaving. “Type 5” are the most commonly labeled “microwave safe”. Despite this, I have observed “Type 5” containers with partially dissolved surfaces, apparently from microwave use.

Type 6 – Polystyrene, styrene, polystyrene foam

Not heat stable. Do not use in microwave. Do not microwave food in a styrofoam container! In addition to not being heat stable, polystyrene is a potential human carcinogen and usually contains bisphenol A.

Type 7 – polycarbonate; “other” (can contain bisphenol A; most polycarbonate contains bisphenol A)

Do not use in microwave. (Note: Polycarbonate nursing bottles which have been boiled or washed more than 20 times or are badly scratched should be thrown out.)

Paper – food safe but Avoid using paper coated with plastic in the microwave.

(Some types of paper may catch on fire under some circumstances. Some sources suggest avoiding using newsprint. Paper which is not food grade may also include toxic inks.)

Never use plastic storage bags, grocery bags, newspapers, or aluminum foil in the microwave.

Source: I would NOT put [ one ] it [ /i ] in the microwave. Some types of formative containers/bags leech out harmful chemicals. Most people refer to those cups as Styrofoam, but technically they are not Styrofoam. They are actually styrene or polystyrene foam cups. Styrofoam is actually a trademarked fabric made by the Dow Chemical Company. They DO NOT make cups, plates, egg trays, or other types of food packaging. hera ‘s some information that you might find helpful.Source : hypertext transfer protocol : // rhenium : Can you put styrofoam in the microwave ?

On 10/26/2008 17:50:18

And out of curiosity, why don’t you have any plates…??

Hahaha good question… cause I’m a poor college student, I guess. 😛

Anyway thanks you guys, I didn’t put it in the microwave – I just put all the chicken onto a Kleenex (OK, so I don’t have napkins either) and heated that up. It was delicious. 😀 Hahaha well question … cause I ‘m a poor college student, I guess. : P Anyway thanks you guys, I did n’t put it in the microwave – I equitable put all the chicken onto a Kleenex ( OK, so I do n’t have napkins either ) and heated that up. It was delectable. : d
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