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Invisiblesandman420
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Re: Chipotle's deli cups AND lids are pp5 [Re: Violet] * 1
    #27289173 - 05/01/21 12:53 PM (3 years, 8 months ago)



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InvisiblemushboyMDiscord
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Re: Chipotle's deli cups AND lids are pp5 [Re: sandman420]
    #27289278 - 05/01/21 02:29 PM (3 years, 8 months ago)

I liked my wd9 joke better but nobody laughed:sad:

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InvisibleSir Pentinite
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Re: Chipotle's deli cups AND lids are pp5 [Re: sandman420]
    #27289594 - 05/01/21 08:20 PM (3 years, 8 months ago)

Quote:

sandman420 said:
If you looks at the image of the resin code you will notice it has a 5 in a triangle, and then says PP. Not PP5.




That's precisely the point. "PP5" isn't any sort of official designation; it's a colloquial combination of the "resin code" and the letters under the recycling triangle. I don't know where you got the idea that "PP5" suggests the existence of PP1, PP2, etc.

"PP5" means resin code 5 and resin code 5 means polypropylene. They do mean the same thing. What you're doing is confusing people.


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"I thought to myself 'Boy, I'm sure glad there's nobody here to see this because this is exactly the sort of thing that gets people riled-up and they assume you're dying and that something has to be done. Where if you're alone, you know, you either come through it or you die, but in any case you avoid the fuss.'"
- Terrence McKenna

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Invisiblesandman420
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Re: Chipotle's deli cups AND lids are pp5 [Re: Sir Pentinite]
    #27289699 - 05/01/21 10:26 PM (3 years, 8 months ago)

Quote:

Sir Pentinite said:
"PP5" means resin code 5 and resin code 5 means polypropylene



Incorrect. Resin Code 5 means polypropylene but PP5 doesn't mean anything because it doesn't exist. It's literally a misnomer. If you want to come correct say PP.

You don't say HDPE2, or PETE1 and you don't say fucking PP5.

If this is confusing to you then bless your heart. I'll keep chugging along and pointing it out when I see people using it.


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Edited by sandman420 (05/01/21 10:36 PM)

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InvisibleBenson
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Re: Chipotle's deli cups AND lids are pp5 [Re: sandman420]
    #27289738 - 05/01/21 11:24 PM (3 years, 8 months ago)

Quote:

sandman420 said:
I'll keep chugging along and pointing it out when I see people using it.




Thank you for your service :rolleyes::rolleyes:


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InvisibleJosex
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Re: Chipotle's deli cups AND lids are pp5 [Re: Benson] * 1
    #27289788 - 05/02/21 12:34 AM (3 years, 8 months ago)

I'd eat a bit more chipotle to stock up on some more of those containers so you can test them out before commiting to a bulk purchase.

Deli containers can be great for agar if they happen to be nice and thick and sturdy. But ime, the majority of these containers simply aren't good for agar.
Not looking to be the party pooper here but imo the pic in the OP looks like the kind of thin flimsy plastic I would never use for agar, or maybe it's just the pic and they're nicer irl, I don't know.

I'd test them out first at least, leave them out uninoculated for a couple of weeks to see if they tam out on their own and put them through several PC cycles to see how they hold up (flimsy containers might get the lids too loose after some cycles).

I wrote some stuff about this time ago, it's the second link in my sig if you want to take a look.

Edited by Josex (05/02/21 12:48 AM)

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InvisibleJosex
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Re: Chipotle's deli cups AND lids are pp5 [Re: Josex] * 1
    #27289789 - 05/02/21 12:37 AM (3 years, 8 months ago)

Actually, just clicked the Amazon link. Yeah I'd never use those for agar.

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OfflineNotarealguy
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Re: Chipotle's deli cups AND lids are pp5 [Re: Josex]
    #27289823 - 05/02/21 01:23 AM (3 years, 8 months ago)

So these wouldn't hold their shape in a PC  cycle?  They're the ame rating as the glad mini rounds. 


Just too thin?

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OfflineZakkery
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Re: Chipotle's deli cups AND lids are pp5 [Re: Notarealguy]
    #27289837 - 05/02/21 01:55 AM (3 years, 8 months ago)

Think that's what he's getting at.

Thin PP is notorious for leaving people unsatisfied.

Need dat stronk PP.

Edited by Zakkery (05/02/21 03:19 AM)

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InvisibleJosex
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Re: Chipotle's deli cups AND lids are pp5 [Re: Notarealguy]
    #27289841 - 05/02/21 02:00 AM (3 years, 8 months ago)

Quote:

Notarealguy said:
So these wouldn't hold their shape in a PC  cycle?




I didn't say that, but just look at them, they look to me like money down the toilet and in no way can those compare in quality to glad mini rounds or to a good quality deli container.

The lids of snap-on containers get loose over time after X cycles, the thinner the plastic the sooner this happens.

When choosing containers it's important to take especial attention to the lid, is it robust and closes fairly tightly? Or is it flimsy and doesn't look like it would hold up well? Like the ones in the OP.

You need to put these things through many cycles. Containers are going to be exposed to open air uninoculated and after inoculation for days or weeks... you just need good shit for this ffs :lol:


Had my share of crappy containers like that and I quickly realized you need something more durable and sturdy for agar.

On another note, I've seen good containers contaminate on their own uninoculated, let alone crappy ones.

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OfflineSockadin
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Re: Chipotle's deli cups AND lids are pp5 [Re: Josex] * 1
    #27289915 - 05/02/21 04:52 AM (3 years, 8 months ago)

I got some salsa in a PP5 (I fucking said it) container. The bottom of the container was PP 5 and the lid which was softer was PP4. Are you guys saying that the PP4 is a different resin and not as heat tolerant? I decided not to run it through the PC because I believed that the lid would fail but the container it self should survive. I think Sandman420 might have an interesting point if he can explain the difference between PP5 and PP4. It seems like you are saying PP1-2-3-4 isn't a thing.

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Invisiblesandman420
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Re: Chipotle's deli cups AND lids are pp5 [Re: Sockadin]
    #27289937 - 05/02/21 05:17 AM (3 years, 8 months ago)

lol

Again, there is no such thing as PP4 etc. The lid was resin #4 and that means it's LDPE, a totally different plastic with a totally different temperature resistance property.

PP deli cups come in two types. Blow molded and injection molded. These thin ones are blow molded and the thicker ones are injection molded, as are glad cups etc. So you can include injection molded in your search to come up with thicker ones. Here are some larger but much thicker ones https://www.amazon.com/Karat-FP-IMDC12-PP-Injection-Molded-Containers/dp/B07MCFCL1L

So anyway, nowhere on any professional or manufacturer websites, or wikipedia, or anywhere that talks about polypropylene uses the "PP5" designation because it is a total misnomer. Check it out. So I am just trying to tell you good folks that you are using it wrong.


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Edited by sandman420 (05/02/21 06:19 AM)

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OfflineSockadin
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Re: Chipotle's deli cups AND lids are pp5 [Re: sandman420]
    #27289977 - 05/02/21 06:40 AM (3 years, 8 months ago)

I learn something new every day on this here website.

Thanks for the clarity Sandman. I found this for reference.

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InvisibleJosex
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Re: Chipotle's deli cups AND lids are pp5 [Re: Sockadin]
    #27289988 - 05/02/21 06:56 AM (3 years, 8 months ago)

Quote:

sandman420 said:

PP deli cups come in two types. Blow molded and injection molded. These thin ones are blow molded and the thicker ones are injection molded, as are glad cups etc. So you can include injection molded in your search to come up with thicker ones. Here are some larger but much thicker ones https://www.amazon.com/Karat-FP-IMDC12-PP-Injection-Molded-Containers/dp/B07MCFCL1L





Interesting, good to know.

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Invisiblesandman420
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Re: Chipotle's deli cups AND lids are pp5 [Re: Josex]
    #27290002 - 05/02/21 07:07 AM (3 years, 8 months ago)

Yea sometimes adding a few keywords to a search can really help find what you need. I went on a quest to find good deli cups a few years back for an attempt at using them for stone production with grain.

I did finally find the good thick injection molded types but find that, like you were saying, the lids of snap on cups just don't have what it takes to really shake the jars securely. And also I don't like the tapered shape, you can't put as much grain in and still mix them with shaking.

But good for agar no pours for sure.


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- Sandbag Tek - How To Sterilize Spawn Bags - All About Static Pressure / Pressure Drop for DIY Flow Hoods - Sandman's LC Tek-

Marijuanaut escapes earth to cultivate - Grow-room is church temple of the new stoner breed

Edited by sandman420 (05/02/21 07:09 AM)

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InvisibleBenson
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Re: Chipotle's deli cups AND lids are pp5 [Re: sandman420]
    #27290130 - 05/02/21 08:43 AM (3 years, 8 months ago)

Quote:

Josex said:
I'd eat a bit more chipotle




Say no more :lol:

Being too thin makes sense, thanks for the heads up yall. I'll give this one a go the next time I do a run for plates and see what happens :thumbup:


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