R4360 Posted January 8, 2014 Report Posted January 8, 2014 I need to cast 8 engines, I nearly done with the master. Micro Mark has a nice all in one kit, but it's pricey at $100 - see the below link. Tell me what you've used? http://www.micromark.com/complete-resin-casting-starter-set,8174.html Scott
Mark Aldrich Posted January 8, 2014 Report Posted January 8, 2014 Scott, I use the MicroMark Rubber, and Alumilite casting resin. Really good results. Mark
drhornii Posted January 8, 2014 Report Posted January 8, 2014 I like Smooth-on. http://www.smooth-on.com/ One advantage of buying the resin and silicone from a manufacturer is the shelf life. You can buy Alumilite at Hobby lobby with 40% off coupon but you have no idea on how old it is. The shelf life is typically 6 months after it has been opened. I have had sucess after 6 months but it starts settin faster thanb advertised. Alumilite sets nice and hard but not much working time. Smoothon 321 has a little better working time and acts more like plastic when set. I pressure cast and working time really comes into play......
Eric Posted January 9, 2014 Report Posted January 9, 2014 If you have a TAP Plastics near you they carry RTV mold material and 2 part polyurethane resin. I believe I paid around $60 for the mold material and resin. Eric
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