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Laminate bending

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Forum topic by aaronmolloy posted 2163 days ago 2168 views 2 times favorited 5 replies Add to Favorites Watch
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aaronmolloy

123 posts in 2408 days


2163 days ago

Topic tags/keywords: resource

What is the best glue to use for laminate bending

-- A. Molloy


5 replies so far

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John Ormsby

1278 posts in 2364 days


#1 posted 2162 days ago

Most any urea resin glue or epoxy. The curve will keep almost all of it’s shape if the correct thickness of pieces are used to make the curved piece. Do not use yellow or gorilla glue. They will have too much spring back after the piece is removed from the mold. I have a photo of some curved pieces on my projects section if you care to take a look.

Good luck

-- Oldworld, Fair Oaks, Ca

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bfd

502 posts in 2434 days


#2 posted 2162 days ago

I have specifically used Better Bond Ultra-CAT PPR veneer glue from VeneerSupplies.com. As John mentioned it is a urea resin glue. The thing I really like about it is that it is easy to mix and they have a lightening agent that you can order if you are doing a light wood like ash or maple. The glue is caramel in color so when I did a walnut lamination the glue line is barely visible. if you are interestes I have blogged two different projects using this glue a Modern Tea Cart with bent lamination and I am currently working on a blog that shows the walnut laminations. The other popular brand is Unibond 800. Good luck.

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MarkTheDark

10 posts in 2093 days


#3 posted 2083 days ago

Does anyone know if the following epoxy would be suitable?

http://www.leevalley.com/wood/page.aspx?c=1&p=20011&cat=1,110,42965&ap=1

G1 (1:1 ratio) was developed for use on wooden airframes and offers long working time at high temperatures (recommended for use at 20°C/70°F or over; working time is 60 minutes and cure time is 24 hours). It is the system of choice for projects where large areas are to be glued and when maximum fatigue resistance is required (for skis, golf clubs, etc.).

-- Mark - "Wood - it's my schtik."

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MarkTheDark

10 posts in 2093 days


#4 posted 2081 days ago

Has anyone ever used high-strength contact cement for bent laminate? When looking for adhesives, I read the instructions for this and it claims it’s ideal for laminating wood.

Any comments? Thanks.

-- Mark - "Wood - it's my schtik."

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John Ormsby

1278 posts in 2364 days


#5 posted 2081 days ago

The only glues one should use for bent laminations is a urea glue such as Unibond 800 or types of epoxy formulated for laminating. Contact cements and standard wood glues will not work. The wood will not retain it’s shape when released from the form or clamps. West Systems epoxy is one brand that works well. It seems that the epoxy that Lee Valley sells will do just fine. You might want to check out the prices. Epoxy can be quite expensive. It works very well in lower temps. The work should be left in the clamps or forms a bit longer than the recommended drying times. This will guarantee good results.

-- Oldworld, Fair Oaks, Ca

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