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what material are synthetic filter discs?
    #4324803 -

I'm curious to know if anyone knows the material that the micron magic synthetic filter discs, or the synthetic discs offered through Fungi Perfecti (different type altogether). I remember buying 500 filters for $60 from them, yet since they've closed, no one carries them at below $45/ hundred. Or if anyone knows of a company selling .3 micron filter paper in sheets or discs, could you please list that here. Not interested in tyvek or poly fill. Many thanks for your time and help.


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Jeremy Davis
Educational Concerns for Hunger Organization, Inc.
Check out the ECHO mushroom blog page to see our lab, growing facility, and more-www.echotech.org/greta

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: Jeremy_Davis]
    #4324807 -

Polly fill that is flatened into a disc


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If you put your head to the grass, you can hear it growing

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Re: what material are synthetic filter discs? [Re: Jeremy_Davis]
    #4324808 -

The Micron Magic filtration material is made of Polypropelene... I know this cause i used to work for Kirby Vaccuums, selling them to people and we always made an emphasis on how good the new filter bags were.


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weretheshit.com is the shit!

:-D

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Re: what material are synthetic filter discs? [Re: Jeremy_Davis]
    #4324812 -

I believe they are compressed plastic fibers, like tyvek..just different thicknesses...mycosupply.com I believe carries synthetic disks, but I'm not sure the cost..


--------------------
"life is like a drop of rain getting closer and closer to falling into a lake, and then when you hit the lake there is no more rain drop, only the lake."

Growing with bags, start to finish (including my new grain and substrate prep)
Anyone looking to start bulk tubs/mono tubs/shotgun hybrids? Good tubs to use..
How I do grain (old still good tips)
Turn your closet into a fruiting chamber
Casing layer colonization and overlay

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Re: what material are synthetic filter discs? [Re: pcubmycol] * 1
    #4324816 -

Interesting...I always thought if felt like a micro-fiber felt or something. I wouldn't have even thought Polypropelene.


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:tripping::hypno::tripping: :boobs:Patience Is Key In This Hobby.:boobs: :tripping::hypno::tripping:
Black Cherry Bud
Burmese Kush
Grapefruit X Skunk
Bubble Hash With TheNewGuy
BHO With TheNewGuy

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: pcubmycol]
    #4324823 -

Dont you love kirby, lol. Worked thier for 4 months, sold 20 vacuums. Average sale price of 1200. Walked away with close to 8 grand. I actually use the demo pads on top of my jars, works great.

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Re: what material are synthetic filter discs? [Re: thenewguy05]
    #4324824 -

well, thats what our corporate meetings always said. and kirby pioneered micron magic filtration, so i trust them.


--------------------
weretheshit.com is the shit!

:-D

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Re: what material are synthetic filter discs? [Re: pcubmycol]
    #4324833 -

hell ya, those demo pads are the shit. Thats what i use too. Also worked there for 4 months, sold about 50 vacs and made about 10 grand. its just the 75hrs a week that gets to you.


--------------------
weretheshit.com is the shit!

:-D

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: pcubmycol]
    #4324870 -

Yep. Working all the time. But it feels good to sell a 2000 dollar vacuum cleaner. Get high, then go sell, lol. The kirby sells itself, we used guerilla tactics to sell, like surrounding them with about 150 dirty pads, put them on thier legs, on the couch. anywhere everywhere. Had this one husband come home, and fucking tried to start a fight with me because she had just purchased it for the suggested retail of 1999.99, he was not to happy. Luckly my boss come in and calmed everyone down. Fun times. lol. You do travel alot selling.

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: prefloppro]
    #4325759 -

Many thanks to everyone for writing in and helping out. I spent quite a while on the phone with Kirby trying to se if they sold their demo discs. I was bounced from department to department and no one could tell me who their manufacturer was, if not them, or if they were somehow available to purchase. I'm going to try a local distributor tomorrow, do you think they'll have a few hundred to part with? Cam they be convinced to part with them? I also tried to contact manufacturers of filter paper, and asked for something rated to .3 microns and autoclaveable. I got a lot of confusion, and no real leads. Any ideas on new avenues to research or places or materials to look into? I'm going to check on the polypropylene filter material that scatmanrav mentioned. Many thanks again!


--------------------
Jeremy Davis
Educational Concerns for Hunger Organization, Inc.
Check out the ECHO mushroom blog page to see our lab, growing facility, and more-www.echotech.org/greta

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: Jeremy_Davis]
    #4325769 -

the Micron Magic disks are spunbond polyester


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California Has Legalized Child Prostitution

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Re: what material are synthetic filter discs? [Re: Jeremy_Davis]
    #4325791 -


You might think about using this.
One box will get you 4000+ 1 square inch patches.
http://cgi.ebay.com/ws/eBayISAPI.dll?Vie...ssPageName=WD1V


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Re: what material are synthetic filter discs? [Re: agar]
    #4325849 -

I'm a material engineer. tyvek is high density polyethylene. I don't know about specific filter discs, but the previous posts of polypropylene and polyester are probably close. Nylon is common as well as normal paper/rayon (cellulose). I've used generic discs from my lab without any ill effects, but definitely steer clear of anything with paper in it. Paper is cellulose which basically polymerized glucose/sugar and will likely lead to contamination.


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For "incoherent dribble" (drivel) try www.dictionary.com

Everybody seems to think I'm lazy
I don't mind, I think they're crazy
Running everywhere at such a speed
Till they find there's no need

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: drugsaregood]
    #4325873 -

3M  :smile:  wonder why I know about paper and fibers


--------------------
For "incoherent dribble" (drivel) try www.dictionary.com

Everybody seems to think I'm lazy
I don't mind, I think they're crazy
Running everywhere at such a speed
Till they find there's no need

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: drugsaregood]
    #4325882 -

May I pick your mind & I am not refuting what you say about paper?

I thought the same - about anything with paper in it.

3M micropore tape is a paper tape. I have used it more times than I want to state, on wbs/rye/grain jar lids. I have not had it fail - anymore than tyvek.

Any ideas why that is?


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Re: what material are synthetic filter discs? [Re: Jeremy_Davis]
    #4325892 -

fungi perfecti closed??

www.fungi.com

doesnt look closed but they sure did raise the price of those filter discs  :shocked:


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:bongload: Look into my heyes !! :bongload:

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Re: what material are synthetic filter discs? [Re: agar]
    #4325911 -

agar said:
Any ideas why that is?


other cellulose materials like cotton


--------------------
California Has Legalized Child Prostitution

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: agar]
    #4325945 -

Off the top of my head...

I've never actually dealt with that product, but I've seen the big machines that make it. Totally guessing here (I work with tape/labels too), but the adhesive is likely a very resistant barrier to contamination alone. 3M uses water-based emulsion adhesives (latexes with particle size around 100nm) rather than thermoplastic (continuous molten film) adhesive. There are some pretty nasty chemicals in the water-based adhesives (benzene, chloroform, toluene) that usually doesn't volatilize completely, ever!! and remain in the tape. As far as the paper itself, to control pore size, paper fibers are mechanically/chemically refined to a small size to get small pores, but then also require a lot of wet-end chemicals to maintain strength and surface properties, especially important for wet performance. These chemicals aren't quite as hazardous as the adhesive chemicals, but they likely wouldn't contaminate because of all the acid/functional groups. We've had some of those sitting in bottles for years and they are the same consistency now as ever. This might also explain why coffee filters wouldn't do much more than a dust cover. No chemical additives, big fibers and big pores.

That's pretty in depth, I hope it makes sense to someone. I'm kinda surprised that those micropore tapes actually use paper. It's such a shitty engineering material because of how inconsistent it is and all the additives/fillers that go in, but 3M has a vast supply (post-it notes).


--------------------
For "incoherent dribble" (drivel) try www.dictionary.com

Everybody seems to think I'm lazy
I don't mind, I think they're crazy
Running everywhere at such a speed
Till they find there's no need

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: Prisoner#1]
    #4325957 -

Prisoner#1 said:
other cellulose materials like cotton


Cotton is one of the common sources of cellulose that is dissolved with some acid and recrystallized in water to produce rayon fibers.


--------------------
For "incoherent dribble" (drivel) try www.dictionary.com

Everybody seems to think I'm lazy
I don't mind, I think they're crazy
Running everywhere at such a speed
Till they find there's no need

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: Prisoner#1]
    #4325960 -

Prisoner#1 said:
the Micron Magic disks are spunbond polyester


http://hiloftnw.com/ makes spunbond polyester material of all sorts.

Years back - I had a big roll of one of their products & it looked like & worked as well as the Micron-Magic filters.

They can make HUGE rolls to about any thickness & Spec you want.



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Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: agar]
    #4326069 -

do you happen to have the specs for the roll you had? A weight size or part number that I can use when I call them? Is there any way to refer to it that they'll easily understand? Thanks!


--------------------
Jeremy Davis
Educational Concerns for Hunger Organization, Inc.
Check out the ECHO mushroom blog page to see our lab, growing facility, and more-www.echotech.org/greta

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: agar]
    #4326176 -

agar said:
Prisoner#1 said:
the Micron Magic disks are spunbond polyester


http://hiloftnw.com/ makes spunbond polyester material of all sorts.

Years back - I had a big roll of one of their products & it looked like & worked as well as the Micron-Magic filters.

They can make HUGE rolls to about any thickness & Spec you want.




I worked at a company that did injection molding, one of the new machines they
brought in did the same thing, it's pretty neat watching it lay thousands of
random threads of polyester, the orifice size and the numbers of them determine
the density of the fabric and how effectively it can filter, tyvek is made the
same way but in my experience tyvek is a better product than the micron filter
disks that are being commercialy produced today, currently there is a filtration
grade of tyvek being produced that filters to .03 microns


--------------------
California Has Legalized Child Prostitution

Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: Prisoner#1]
    #4326275 -

http://medicalpackaging.dupont.com/en/applications/tyvekrefguide.pdf

I hear you. But, it's not cheap stuff.


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Extras: Filter Print Post Top
Re: what material are synthetic filter discs? [Re: agar]
    #4326321 -

it certainly isnt, thats why I'm sticking to the postal/housewrap


--------------------
California Has Legalized Child Prostitution

Extras: Filter Print Post Top
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