HH-66 makes flawless seams on vinyl vacuum bags. I have tried nearly every chemical in the Grainger and 3M catalog and nothing works like HH-66. Each can of HH-66 has a built-in brush attached to the lid for easy application. Fast drying, waterproof, and remains flexible. Nearly instant bonding action on most vinyl surfaces when prepared and applied appropriately.
The 4 oz. size is enough to build one large (4 x 8) vacuum pressing bag or several smaller bags. The pint size is enough cement to build several large vacuum bags.
MSDS information can be found here.
What else should I know about this product?
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Review by Rick Wargo
Joe's custom bag making article was the inspiration for me to make several vacuum bags for my press. He recommends the HH66 vinyl cement and I can attest that this is a superior product. You'll find that it bonds vinyl in such a way that the two pieces almost melt together and become one piece. For the torture that I subject my vacuum bags, such strength is essential. Two thumbs up and five stars.
Review by Sean Osborne
I have purchased from Joe several times now and the experiences have been nothing but positive. The HH-66 does exactly as advertised. Thanks again Joe!
Review by Ka Harms
Not only does HH-66 do the trick on vacuum bags, but it does wonders on pop-up campers that have mice damage on the canvas and need patched up tight. We repaired 20 large holes and we are leak free! We have nick named her, Oh... patchy!
Review by Benjamin Batilidge
I was suprised by how easy it was to build the vacuum bags. The hh66 bonds the vinyl permanently. I couldnt tear it apart if I tried. And since it dries clear, the seams look professional and almost invisible.
Review by Frank Jenna
I am a part time woodworker but a full time tinkerer. I was going to buy a premade vacuum system but I love building things on my own and this vacuum press was just what I needed. I built a bag that was 6' long and 2' wide with the vinyl here and it worked quite well. One thing I did notice is that you definitely have to "paint" the seams as Joe suggests in the article part he calls "the secret". This made a huge difference and now my bag is 150% air tight. Last night we did a curved panel for a small drawer front and the vinyl was did the job very nicely.