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Questions tagged [plastic]

A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural.

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If I rip and scrutinize a frozen food box, and it doesn't seem to have any thin plastic coating, can I recycle it?

Here in Toronto, the city categorically says that frozen food packaging is non-recyclable, and should go in the garbage. From what I've read, the problem with frozen food packaging is that it's "...
unforgettableidSupportsMonica's user avatar
3 votes
2 answers
117 views

Homescale designs for plastic incinerators?

I'm under the impression that it's better to burn the plastic and maybe get a bit of energy from it than disposing it somewhere only for it to deteriorate into many microplastic particles. That said, ...
javert's user avatar
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What material is more biodegradable than plastic bristles for a toothbrush?

What sturdy fibres are more biodegradable than plastic bristles? Assume the bacteria which eat the toothbrush bristles are a 95% or greater match in DNA comparison to bacteria which pre-date the year ...
Samuel Muldoon's user avatar
0 votes
2 answers
58 views

What kind of lenses used for eyewear doesn’t melt in the oven?

Hello and sorry for my silly question! I want to create a pair of sunglasses made of Fimo (polymer clay). I know, maybe no one did something like this, but I'm ambitious when it comes to nonsense. To ...
Ariana's user avatar
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1 answer
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Does banning plastic bags really help protect the environment? I always re-use them as rubbish bags anyway

According to Wikipedia, there has been a global trend of banning plastic bags. But does it really help protect the environment? In the past, I always re-used plastic bags as rubbish bags so I seldom ...
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2 votes
1 answer
41 views

Can we do without plastic film without an explosive growth of food waste?

The big plastic says we need plastic films to make fresh produce last longer. It seems a bit of a stretch: after all, retailers can just buy less, just as much as they can sell. However, the demand is ...
Sergey Zolotarev's user avatar
1 vote
0 answers
78 views

Why can't plastic be used as a building material for cities?

There are a lot of items that require a lot of material. But this material should not be expensive. We can fill large items with recycled plastic. No complex processing technology is needed here, but ...
Tamila Ambeon's user avatar
2 votes
0 answers
39 views

Could microfiber shedding be slashed by using a proper detergent?

Is this a real thing or just greenwashing? This problem of microplastic seemed so huge it's hard to believe you could make such an enormous dent in it just using a right detergent Offering consumers ...
Sergey Zolotarev's user avatar
1 vote
4 answers
136 views

What are the cons of storing plastic waste

Sorry for a silly question, I'm sure it was asked many times in different forms but I wasn't able to find any concrete answer so here we go. So, I'm trying to understand what is the 'best' way of ...
Amomum's user avatar
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2 answers
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Guidance for amateur recyclers

I'm interested in finding ways to decrease the fraction of my household waste that goes to landfill. One strategy for achieving this objective - in part if not in whole - is to change my purchasing ...
TLDR's user avatar
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0 answers
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How can I get rid of old agricultural plastic?

The previous owners of my land laid down AG plastic, which has deteriorated over the years. Unable to roll and every time I mow I cut into it and goes everywhere, including my neighbor's (it is on the ...
Concerned Farmer 's user avatar
4 votes
2 answers
124 views

How is "recovered ocean bound plastic" any different from recycled plastic?

I've started to see this phrase on things like credit cards and plastic bags: "contains recovered ocean-bound plastic." At first, it sounds like something really positive -- this was made ...
LShaver's user avatar
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4 votes
1 answer
91 views

What type of bin liner is best for waste heading to landfill?

I found myself recently needing to purchase something to line my waste/landfill bins with. Up until now, I've been relying on a tub of single-use plastic bags that I've collected over the years, but ...
Robotnik's user avatar
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2 votes
2 answers
116 views

When did plastics become regarded as bad for the environment?

When did plastics become regarded as bad for the environment? I would like to have some valid references.
Sasan's user avatar
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0 answers
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Why does color matter for PET recycling but not for HDPE recycling?

Why does color matter for PET recycling but not for HDPE recycling? I'm not sure about other countries, but in the place I live in the recycling plant that receives PET from recycling bins I use only ...
Sergey Zolotarev's user avatar
1 vote
1 answer
107 views

How is recycling of plastics beneficial to the climate?

How is recycling of plastics beneficial to the climate? Using PET flakes, for example, reduces your indirect demand for oil extraction, it's good. But if you break them down to monomers during ...
Sergey Zolotarev's user avatar
2 votes
1 answer
113 views

What is the impact of ongoing research of turning plastic into proteins?

I found this story regarding ongoing research of using bacteria to turn plastic into protein: The team demonstrated that once the plastic is broken down by heat and a reactor, it can be fed to the ...
Tito Morenno Pontes e Souza's user avatar
3 votes
2 answers
67 views

Environmental impact of using an extra bag to separate out plastic vs not separating

Recently I am facing a dilemma: I am living in The Netherlands and in this area it is encouraged to separate out plastic trash for recycling. Usually my plastic trash consists of food packages and ...
Dennis Jaheruddin's user avatar
2 votes
0 answers
33 views

Could synthetic fibers be environmentally-friendly, can you deal with the issue of microfibers?

Synthetic fibers make up the largest share of total apparel production and are expected to become even more common. They also, it seems, contribute to microplastic pollution more than anything else. ...
Sergey Zolotarev's user avatar
2 votes
2 answers
192 views

Can plastic be sustainable?

After all those scary stories about microplastics (I think you don't need references on that one), I was surprised to discover plastic solutions being suggested, even promoted you can say, in ...
Sergey Zolotarev's user avatar
1 vote
0 answers
119 views

Is UHT better for the environment even if the Tetra Paks aren't recycled

UHT is well known to be better for the environment, see e.g. https://www.newscientist.com/article/dn27898-so-many-milks-but-do-their-health-claims-really-stack-up/ However, our local council does not ...
gmatht's user avatar
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1 answer
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Why not outlaw low density plastics that cause ocean pollution?

I know it costs. But we got rid of chlorofluorocarbons and are preparing to eliminate stuff like coal! This in between. Proposal: By international agreement get rid of floatable PE, HDPE and PP and ...
SBHarris's user avatar
4 votes
1 answer
144 views

Does plastic really degrade in a landfill?

There seems to be a lot of debate about whether, and how, plastic degrades in a landfill. There are many different types of plastic, from polypropylene to polystyrene. With this variety, it seems ...
Adam McKenna's user avatar
4 votes
1 answer
185 views

How effective are shrink plastic insulation kits for residential windows?

I live in an older home with windows that build up frost in the winter, which indicates they aren't insulated very well. I am thinking of installing kits like these over the windows: However, before ...
LShaver's user avatar
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3 votes
2 answers
462 views

What alternatives exist for bean bag filler?

One of my kids has asked for a bean bag for their room. I'm hesitant, mainly because of the styrofoam/plastic filler beans which (I assume) are generally terrible for the environment when they ...
Robotnik's user avatar
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3 votes
0 answers
51 views

Is there a neutral LCA comparing wood to composite materials?

I have seen competing information about whether it's a more sound environmental choice to choose real wood or composite decking materials. Different conclusions are drawn depending on whether the ...
susie derkins's user avatar
1 vote
1 answer
63 views

Biodegradable Food Packging

I am trying to figure out an application for a biodegradable packaging material a found out about. It is made from old or used potatoes or corn starch. I was thinking of using it in Pizza boxes to ...
Rahul Vijayan's user avatar
4 votes
2 answers
547 views

Is Marine Plywood better than plastic for the environment?

I work for a brewery and we have recently started using 3mm thick 140x90mm Pump Clips on our taps instead of 2mm thick PVC Pump clips. These are the little plaques we see when we order a beer at the ...
Tim Kerr's user avatar
6 votes
1 answer
4k views

What plastics are safe/useful to melt?

I have seen a number of videos that talk about melting down HDPE and/or LDPE for craft projects. Some say these types of plastic are safer to some extent. I would like to do some crafts as well that ...
L. Trobee's user avatar
3 votes
5 answers
2k views

Is there a solution for flattening/reducing the volume of plastic recyclables in the home?

I've been having issues with my indoors storage solution for plastics. Loose wrappers and containers from food products tend to take an unnecessarily large amount of space and without a way to ...
JJuntunen's user avatar
3 votes
4 answers
671 views

Should I purchase new tins or plastic refills for chocolate powder?

A few brands of chocolate milk mix come in re-sealable tins like this: It is also possible (and slightly cheaper) to buy 'refill packs', in order to reuse the tin. However, these refill packs are ...
Robotnik's user avatar
  • 1,317
2 votes
0 answers
29 views

Are American census bags recyclable?

Yesterday, I received my census questionnaire. So have many millions of other Americans, recently. These bags are not labeled for recycling, but are they recyclable? Can I put them in the deposits at ...
macetw's user avatar
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0 votes
0 answers
44 views

Is there a recycled ABS that can be used for injection moulded parts?

Also if there is how is it recoloured and does it have any properties that are not as desirable as virgin ABS ? This would be better for the environment and more sustainable because it reuses plastic ...
ben's user avatar
  • 105
2 votes
2 answers
91 views

Solution to zero-waste take-away cup containers?

The most common sustainable solution for soup takeaway (to-go) containers are those compostable cup and lid sets - made from plant-based plastic (PLA) lid and a paper/PLA cup. These are basically non-...
Absolute Sustainability's user avatar
3 votes
0 answers
21 views

Is it worth buying compostable dog poop bags instead of plastic if I'm going to throw them in regular trash bins? [duplicate]

I walk my dogs twice a day, pick up their poop with small disposable bags, and throw the bags in the first municipal trash bin I come across. They will presumably end up in a landfill. I previously ...
Alex Hall's user avatar
  • 313
3 votes
1 answer
275 views

Are single-use PurPod coffee pods from Ethical Bean made with PLA?

I'm purchasing "compostable" K-cup coffee pods from Ethical Bean (see attached photo) that work in Keurig single-serve coffee machines. According to their FAQ, these compostable pods are OK for the ...
Nic's user avatar
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3 votes
2 answers
104 views

Paper packaging once a day or plastic every second day?

I buy a lot of cottage cheese. There are two kinds of packagings available: paper wrappings, which I buy one piece a day plastic bag, of which one pack is enough for two days Assuming that I can't ...
pappbence96's user avatar
4 votes
2 answers
315 views

Distinguishing between polyethylene and polypropylene plastic food packaging for recycling

I want to recycle as much food packaging plastic films as possible (I'm willing to clean and dry them). As far as I know, food packaging films are only made from 3 types of plastic: polyethylene (PE), ...
kitkat's user avatar
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6 votes
2 answers
1k views

What is the most sustainable packaging for milk?

When buying milk, there are three forms of available packaging: plastic containers, TetraPak, and glass bottles. None of these forms of packaging are optimal - plastic containers are single-use, ...
RollingCompass's user avatar
4 votes
2 answers
104 views

Should I use a plastic trash bag for my recycling bin at home or not?

I want to have a recycling bin at home in addition to a trash bin. Should I line my recycling bin with a trash bag and bag it up when it's full to toss in the dumpster's recycling bin? Or should I ...
Pvo's user avatar
  • 141
2 votes
1 answer
111 views

Non-plastic straws in Germany?

I want to find non-plastic straws. Are there are any in Germany, that you can physically buy? I live in Bavaria. I have a big Edeka, Rewe, Lidl and Rossmann nearby, but I am ready to travel "great" ...
gsamaras's user avatar
  • 175
2 votes
1 answer
399 views

Recycling : paper, plastic or aluminum, which one to choose, if only one?

Supposing I can focus only on one type of material to recycle, choosing from paper (card board etc), aluminum (can etc) or plastic (water bottle etc), then which choice of material will help the ...
Raj's user avatar
  • 121
4 votes
1 answer
78 views

Plastic incineration vs discarding considerations

Firstly, let me say, I am not pro-either. I just hear about people trying to save the environment (and putting an end to bad municipal 'dump site' behaviour) by rather burning their trash. This is ...
Marlon van der Linde's user avatar
1 vote
3 answers
62 views

Any succesful initiatives for packaging material reuse?

I find that we are having more and more things delivered as opposed to buying in stores. This winter a few cardboard boxes with 10kg of oranges, several books, and just this week a fridge. I was ...
Ivana's user avatar
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0 votes
0 answers
73 views

How to sell shredded plastic in the UK?

I would like to purchase a shredding machine in order to shred plastic myself, I was wondering if there were any standards I'd need to watch out for and where I could find businesses willing to ...
0x777C's user avatar
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4 votes
1 answer
132 views

In the UK, is it ok to recycle plastic food packaging along with carrier bags?

I live in the UK and do most of my groceries shopping online. At the same time I collect my order I can also hand back to the driver all carrier bags from my previous order (which is great). Some ...
customcommander's user avatar
1 vote
1 answer
101 views

What actually happens to LDPE Type 4 plastic when it is recycled?

When LDPE Type 4 plastic used in plastic wrapping is recycled, what is it used for?
Simd's user avatar
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1 vote
2 answers
147 views

What percentage of LDPE Type 4 plastic that you hand in to be recycled is in fact recycled?

What percentage of LDPE Type 4 plastic that you hand in to be recycled is in fact recycled into something useful? I ask this because I read that China stopped accepting plastic to be recycled ...
Simd's user avatar
  • 121
0 votes
1 answer
88 views

Is there any Pellet molder alternative? [closed]

Our groupmates have a research topic that includes making a plastic pellet. We have to think of an alternative way to produce plastic pellets out of melted HDPE plastic bags since we're still students ...
emotional peanut's user avatar
5 votes
1 answer
1k views

Nike water bottle breakdown?

So many know that single use plastic water bottles break down with repeated use. Well the other day, I decided to buy a reusable water bottle. I am on a budget and picked up a Nike Hyperfuel 32oz. Its ...
user2852927's user avatar