I decided to try lost foam casting but it did not work for me I am looking to see if someone can help me out.
This is what I did
I made my pattern out of pink foam insulations, like in the pictures
I put the pattern in a bucket of fine Sand ( play sand from home depot)
I melt my aluminum and I put a tea spoon of table salt for flux
Then I pour the aluminum on the foam in the sand at about 750oC – 800oC
After cooling I pull out the aluminum and it did not melt all of the foam
What did I do wrong ????
Thanks in advance
I put pictuers up so you can see what hapen