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Not I, but would guess it'd be the same. However, the black dye/coloring would be so diluted and thin, I doubt anyone would know it was ever black to begin with.




We have some pretty good...

Folks use any ratio from 3-to-1 to 10-to-1, spirits-to-silicone. I use 4-to-1. Whether you go by weight or volume doesn't matter.

I've never done a whole tarp, but would recommend two things--...

THANKS, Chembrew! Good stuff. What about "rehabilitating" sil-nylon? Is it worth the trouble then? I've never made rip-stop into sil-nylon, but have fixed leaky sil-nylon stuff sacks, etc.
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Yes, I did learn quickly that it would peel off. Stopped doing it that way, so never tested it for waterproofness after peeling.



That's my impression too, the stuff saturates and fills tiny...

Yes, I did learn quickly that it would peel off. Stopped doing it that way, so never tested it for waterproofness after peeling.



That's my impression too, the stuff saturates and fills tiny...

To me, the reverse is true. I'd rather take off too much and do a second coat instead of leaving too much on. A thick coat will tend to peel off after it dries.

Rain Man

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Much thicker than mine! For whatever that's worth. But might contribute to the "feel" and weight you described.



Did you wipe the excess off with a squeegee or a simply cloth rag, while it...

My understanding is that this mixture will not last, but begins to congeal within a short while of being mixed. I've come back a day later and found it to be like Jello and useless. So, just be...

I use a 4:1 ratio of mineral spirits to clear silicone. You can go by volume or by weight. Precision is not critical. I do wipe off any excess and let dry. I repeat the whole process two or three...

My recollection is that it's by weight. I even used my digital postal scale to get the right ratio.

Rain Man

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Okay, you've got my interest piqued!!! How do I make some DIY contact lenses with this stuff?! I could save tons in the long run, I bet!
:lol:
Rain Man

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Not to my knowledge.

Rain Man

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Okay... new use for our recipe. Can it be used to rejuvenate a Marmot Precip jacket that has lost its waterproofing prematurely? Just wondering, thinking what else I can slap this stuff on.

Rain...

Thanks! Now that I've gotten started, I can't stop myself! Spent the last few days treating my old REI silnylon UL45 backpack. Water used to run off it, but lately it has been more like a sponge....

I want to THANK y'all for this info about treating and importantly, re-treating, silnylon. Here's my experience from the past couple of days: When I read this thread, I grabbed some of my silnylon...