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Old 17-06-2022, 12:37 PM
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Default Re: Looner communities crowd fund to buy out Intex?
Hi, Big Thud;

I think the high molecular weight phthalate, DINP, is more of a recent development, but according to the owner of the UK-based PVC fetishwear and raincoat company, PVC-U-Like (PUL), DINP has (I quote) superior PVC-softening qualities. Because DINP is a phthalate with a higher molecular weight, it is considered to not have the supposed health risks associated with the low molecular weight phthalates.

I have copied-and-pasted some useful information from the Rainwear Central Forum:

Quote:

"The EU have what is called the REACH document. Contained in that document are over 250 chemicals which the EU have deemed potential health hazards and have restricted their use in manufactured products.

For many years from the 50's to the 80's a plasticiser called DEHP or DOP was used to soften PVC sheeting. It was very effective and cheap and did give PVC that soft rubbery feeling we love. Unfortuanetly DOP is listed on the REACH doc as having potential carcinogenic and endocrine potential so it was banned from Kids toys and placed on the REACH doc as a precaution. The fact is that the amount of DOP you would have to be exposed to to cause any effect is almost impossible to achieve and the body is very good at eliminating any DOP in your body through urine. In fact the majority of Blood bags made worldwide are still made using DEHP because of its superior plasticing qualities.

More recently there has been the development of DINP which is a superior Plasticiser, but due to its high molecular weight has been demonstrated to be safe to Humans. At PUL we have been using DINP for many years now. However in China there is no restriction on DOP and because its cheap its use is widespread and I'm afraid to say it but in China sometimes profit overides safety.

(Unquote).

So, Big Thud, referring to the last paragraph above (quote: "However in China there is no restriction on DOP and because its cheap its use is widespread and I'm afraid to say it but in China sometimes profit overides safety" unquote), it looks like you could potentially ask the China-based manufacturer to use DEHP or DOP in your Custom-Made inflatable. In all honesty, I'd happily come into contact with PVC rainwear or inflatables that have been softened with low molecular weight phthalates like DEHP or DOP. I believe the supposed health risks are exaggerated and taken out of perspective (what happens in a laboratory to the poor little rats/mice/Guinea pigs under the controlled and exacting scientific conditions does not neccessarily mean the same occurs in us humans in the real world).

Failing that, it looks like that DINP is a good alternative. The PVC products (raincoats, bedding, total enclosure inflatable body suit) I've purchased from PUL are all softened with DINP, and I am very pleased with their softness.
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Old 17-06-2022, 03:17 PM
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Default Re: Looner communities crowd fund to buy out Intex?
WOW!, thanks so much for that invaluable information. I'll certainly will be placing this into my brief when proposing the project. It's taken me a wile to save up, but am going to get 50 units made. I'm not a popper, but I love my inflates pressured to being bone hard and stiff, and eventually this will inevitably compromise a seam or two, but with your info, and some of the notes other looners have noted about reverse seams and double welding, I'm pretty sure one is almost on top of the money for getting an 80s like inflatable remade.

An ebay seller had 27 life size spidermans for sale back in 2017, I cleaned him out. They were very, very old new stock, the PVC felt so beautiful. Unfortunately, I think they were stored in a garage that must of been flooded. Flooded with water that may have been conteminated with oil or something, because the seams are all rather quite brittle. After inflation, one will be okay for a day or two then some sort of a pinhole will form. Not sure if this is because the inflates were exposed to oily water, or whether that is just a thing of DOP based PVC from being so soft, it just melts from stretching; where then it just rips.

However which way, I'll get some samples made and try them out, if seam vulnerability is a side effect of DEHP / DOP, then I may specify DIMP.
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Old 03-07-2022, 04:34 PM
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Default Re: Looner communities crowd fund to buy out Intex?
So one more question, if I were to send a brief to a manufacturer and specified using the DOP plastisizer, would it be a mix of DIMP and DOP, or would it be purely DOP? Would I have to specify for them to use 100% DOP in the requested custom product?
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Old 03-07-2022, 09:11 PM
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Default Re: Looner communities crowd fund to buy out Intex?
I like the 36 inch beach balls along with the 42 inch it seems I can put more pressure and grind on them especially the 36 but the 48 I pop the seams to easy at times and they stretch out a bit to much..

Last edited by bbhumper; 03-07-2022 at 09:15 PM.
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Old 04-07-2022, 03:16 AM
7balloon 7balloon is offline
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Default Re: Looner communities crowd fund to buy out Intex?
the Nerd level of this conversation has possibly restored my faith in humanity.


person 1. : Hi I fuck balloons and am part of a website that talks about balloons.

person 2: really? what do you talk about?

Person 1: Literally everthing. Here's a bit of recent conversation of a hot topic.

"I think the high molecular weight phthalate, DINP, is more of a recent development, but according to the owner of the UK-based PVC fetishwear and raincoat company, PVC-U-Like (PUL), DINP has (I quote) superior PVC-softening qualities. Because DINP is a phthalate with a higher molecular weight, it is considered to not have the supposed health risks associated with the low molecular weight phthalates"

Yeah. I mean ya gotta feal that in your bones. There is an incredibly sexy couple out there somewhere in Russia? Estonia? I'm not sure. She's wicked smart. A nurse.

I don't know anything about him except that she likes him. And so he must be someone I'd like.

They used to play with balloons to entertain me. Now they are making fantasy balloons. And by fantasy, I literally mean they are making balloons I used to fantasize existed.

Giant long neck balloons that were soft and yet stretched and did all the things I so wanted to see a balloon do. And things I never thought of. I so want to get that boob balloon. It's beyond crazy and literally straight out of my dreams. I'm not going to get one yet because I am still freaking out that it exists and is sold by the same woman that knows that the only reason to make that balloon is to fuck it.

Sorry, but that's my mental hangup.

Back to the topic. That's my thing. The people talking have their own thing that I can never understand. it's all science and engineering.

Which is awesome!!!!!

yet we are all here and get to participate and listen in and talk to each other. And the one thing this community has in common?

BALLOONS!!!!!!!!!!!!!
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