74 How does hide glue sand? Will it damage cutting edges?
Description
This article is from the Woodworking FAQ Collection 1, by multiple authors.
74 How does hide glue sand? Will it damage cutting edges?
Normally hide glue will dry to a harder film with a higher tensile
strength than PVA, so it won't clog sandpaper. Because of it high
tensile strength, it may dull cutting edges.
Can hide glue be made waterproof?
Yes, by adding 1/2-1% aluminum sulfate. Exposure to formaldehyde fumes will
render dry hide glue insoluble.
Can hide glue be made flexible?
Yes, by adding 5% (based on the weight of glue) glycerine. Increase
the amount by increments of 2-3% of the glycerine to achieve greater
flexibility. This works well when gluing canvas to the back of a
tambour door.
Are PVA glues stronger?
No, a good hide glue joint is one of the strongest possible with any
adhesive. And it will not creep like PVA.
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