johan teughels
Member
in there movies you see them put inthe filler anybody nows what that stuff is exactly
i need to grind it and like to now what is getting in my system
i need to grind it and like to now what is getting in my system
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mc millan filler
- Thread starter johan teughels
- Start date
Boyd Allen
Active member
I think that your first move should have been to call McMillan. You still can.
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dk hunt 14
Guest
filler
I haven't seen there video but I'm guessing it is some kind of polyurethane expanding foam; maybe even with glass fibers in it. I played with some foams when building some carbon fiber pieces for a light gun. Some of the foam really gets hard. I used an 8lb density and it is as hard as pine. I believe there is also a 16lb. density that is harder. Matt
I haven't seen there video but I'm guessing it is some kind of polyurethane expanding foam; maybe even with glass fibers in it. I played with some foams when building some carbon fiber pieces for a light gun. Some of the foam really gets hard. I used an 8lb density and it is as hard as pine. I believe there is also a 16lb. density that is harder. Matt
I haven't seen there video but I'm guessing it is some kind of polyurethane expanding foam; maybe even with glass fibers in it. I played with some foams when building some carbon fiber pieces for a light gun. Some of the foam really gets hard. I used an 8lb density and it is as hard as pine. I believe there is also a 16lb. density that is harder. Matt
Go to the McMillan website and click on the FAQs. It describes the fill of the different stocks. I would use a dust mask at least to sand or machine it.
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Dick D
Guest
The hard white filler in our benchrest stocks is basically epoxy resin, catalyst, micro-ballons ( microscopic hollow glass balls) and some chopped fiberglass strands in the action area. Basically just epoxy resin and silica.