Paul Meisenheimer
Well-known member
For those of you who order from US Composites, what filler do you use to thicken your epoxy for fillets? How about for fairing?
Epoxy filler - US Composites
- Thread starter Paul Meisenheimer
- Start date
Brandon Yuchasz
Well-known member
Paul.
I have used cabosol ( dont know if i spelled it correctly) its very tough stuff when cured and sands a little harder then wood or straight epoxy. Enough that I am careful not to leave extra that needs to be sanded off.
I have used microballons. They sand like butter and for fairing or filling they work really well but I would not use them in high wear area's or where strength is a big concern.
A mix of both is usually a good compromise. sands easier and has more strength.
I have used cabosol ( dont know if i spelled it correctly) its very tough stuff when cured and sands a little harder then wood or straight epoxy. Enough that I am careful not to leave extra that needs to be sanded off.
I have used microballons. They sand like butter and for fairing or filling they work really well but I would not use them in high wear area's or where strength is a big concern.
A mix of both is usually a good compromise. sands easier and has more strength.
I prefer not using cabosil. I don't like breathing it every time I touch the container. I'm fine wearing a mask sanding, but not mixing epoxy.
I like microballoons and wood flour, for different reasons. I also mix them to get a material I can work with if I need to. Microballoons result in a pretty weak material that obviously sands well.
I like microballoons and wood flour, for different reasons. I also mix them to get a material I can work with if I need to. Microballoons result in a pretty weak material that obviously sands well.
Steve Sanford
Well-known member
Paul~
U S Composites' Fairing Compound is a mix of Cabosil + microballoons. The former to prevent sagging, the latter to make sanding fun and easy. I love it for non-structural work - filling and fairing.
I have not done a lot of filleting - but I usually mix up some ad hoc concoction. Friends with more stitch-n-glue experience seem to like wood flour. I will have to put some on my next order.
I share Tod's thoughts about the Cabosil - so I put the mask on when I am mixing it in.
All the best,
SJS
U S Composites' Fairing Compound is a mix of Cabosil + microballoons. The former to prevent sagging, the latter to make sanding fun and easy. I love it for non-structural work - filling and fairing.
I have not done a lot of filleting - but I usually mix up some ad hoc concoction. Friends with more stitch-n-glue experience seem to like wood flour. I will have to put some on my next order.
I share Tod's thoughts about the Cabosil - so I put the mask on when I am mixing it in.
All the best,
SJS
Phil Nowack
Well-known member
If you can't get wood flour... saw dust works.... as does enriched baking flour
John Augustine
Well-known member
I'm with Phil,
Saw dust from the band saw works very well for me. John
Saw dust from the band saw works very well for me. John
Darin Clark
Active member
I'm with Steve, I like their fairing compound. It goes on nice and is easy to sand. I haven't done anything that I would consider "structural" with it. I would have to do some research and possibly use a different product for structural applications.
Capt Rich Geminski
Well-known member
Happy with us composites... Placed a order on monday for epoxy and glass. Was promised for tuesday, with the holiday. Arrived thursday, what great service...