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 bigbulg
Stranger
Registered: 07/04/08
Posts: 2
Last seen: 5 days, 8 hours
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 Tyvek Polyfill Tek
#8596728 - 07/05/08 08:15 AM (2 months, 2 days ago) |
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This system is useful when inoculating grain jars
through Tyvek. It makes it simple and doubling the Tyvek
prevents moisture loss. I use Tyvek painters overalls cut up.
Just make sure you cool your syringe after flaming it
or youll melt the Tyvek. You can also use two pieces of Tyvek
with polyfill in the middle.
FOLD TYVEK PATCH HALFWAY OVER MOUTH OF JAR AND SCREW ON RING HALFWAY
STUFF POLYFILL INTO POCKET FORMED BY TYVEK PATCH
PULL CORNERS OF FOLDED TYVEK TO FORM A TIGHT SEAL, THEN PULL ALL EDGES UNTIL SNUG AND TIGHTEN RING, COVER IN FOIL AND PC
INJECTING TYVEK/POLYFILL PATCH: FLAME STERILIZE
COOL NEEDLE! DO NOT SKIP THIS STEP OR YOU WILL MELT THE TYVEK AND POLYFILL
INOCULATE THROUGH THE TYVEK/POLYFILL
I'VE HAD NO ISSUES WITH DRYING GRAIN OR CONTAMINATION USING THIS METHOD AND I DON'T HAVE TO DRILL HOLES IN LIDS.
Edited by bigbulg (07/05/08 08:32 AM)
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 Innominate
Registered: 06/12/05
Posts: 2,077
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Re: Tyvek Polyfill Tek [Re: bigbulg]
#8596907 - 07/05/08 10:02 AM (2 months, 2 days ago) |
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Nice tek. Only thing I'd do different is I'd flame the needle and then cover it with an ISO soaked towel though, this will help cool it as well without it being in the open air.
I have a question about your tyvek though. It seems translucent. The postal tyvek I have pretty much lets no light through and when I try to blow through it nothing comes. I have three different types of envelopes and they are all this way. Am I using the right tyvek or what? I've asked this before but then I saw this and was confused all over again.
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bigbulg
Stranger
Registered: 07/04/08
Posts: 2
Last seen: 5 days, 8 hours
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Re: Tyvek Polyfill Tek [Re: Innominate]
#8598583 - 07/05/08 08:20 PM (2 months, 2 days ago) |
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Quote:
Innominate said:
Nice tek. Only thing I'd do different is I'd flame the needle and then cover it with an ISO soaked towel though, this will help cool it as well without it being in the open air.
I have a question about your tyvek though. It seems translucent. The postal tyvek I have pretty much lets no light through and when I try to blow through it nothing comes. I have three different types of envelopes and they are all this way. Am I using the right tyvek or what? I've asked this before but then I saw this and was confused all over again.
I got this information from:
www.materialconcepts.com
I looked at the pdf and the handbook and it seems that both products are essentially the same the difference being one is stiff and inflexible while the other is designed for clothing and is stretchy.
Tyvek® Properties
Tyvek® combines all the best physical properties and characteristics of paper, film, and fabric - in one exceptional material. While most products offer water resistance or breathability, Tyvek® offers both. It is equally strong and protective in wet or dry conditions. Tyvek® is lightweight, flexible, smooth, particulate free, opaque, and resistant to water, rot & mildew, chemicals, abrasion, and aging. It has a high strength-to-weight ratio and is pH 7 (neutral). Made from 100% high-density polyethylene fibers, Tyvek® is manufactured in a unique flash-spinning process without the use of binders.
Tyvek® Hard-Structure and Soft-Structure - What’s the simple difference?
Chances are good that you’ve come across hard-structure Tyvek®. The two most common examples are Tyvek® envelopes used by the USPS and FedEx, and Tyvek® HomeWrap®, advertised as a windbreaker for your house. Hard structure Tyvek® has a paper-like rigidity with a smooth slick surface. (Note: Material Concepts does not sell Tyvek® HomeWrap.)
If you’ve seen Tyvek® protective apparel such as lab coats, jackets, suits, or aprons, you’re familiar with soft-structure Tyvek®. It has a soft fabric-like hand, and with use and handling, becomes even softer and more pliable, taking on a silky feel. Tyvek® has a unique balance of strength and softness; Durable and lightweight, it has an excellent strength-to-weight ratio.
For your reference:
* Tyvek® Material Safety Data Sheet (MSDS) (PDF)
* Tyvek Products Handbook (PDF)
* For information on how to sew Tyvek®, refer to Tyvek® Sewing Instructions (PDF)
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wasting_space
....JerkO'lantern....
Registered: 11/21/07
Posts: 113
Last seen: 14 days, 5 hours
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Re: Tyvek Polyfill Tek [Re: bigbulg]
#8600845 - 07/06/08 01:38 PM (2 months, 1 day ago) |
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I have been using a similar procedure for months, with a small difference... Polyfill ball wedged in 3/4 inch hole in center of lid disc... Sheet of tyvek goes above and below disc. Screw on the lid ring and your done....
--------------------
There once was a rapping tomato..
That's right I said rapping tomato..
He rapped all day, from April to May....
And also guess what it was me....
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