Thank you for the suggestion to try ASA. However, because of plumbing codes (this is a closet flange) we must stay with ABS. There are no UV issues - only stress cracks. How much oil does it take to cause a problem? Or could the box be packed too tight, causing stress at the ear which could...
We are molding an ABS flange and installing a stamped SS ring which is held on by two "ears" on either side of the flange. We have had a recent problem with the ears fracturing and want to eliminate the SS ring stamping oil as a suspect.
We have been unable to recreate the fracture problem by...
