to be used in salt, fresh water, and discharge / sewer lines. The material of choice was Dupont Delrin 527uv as its accepted in the industry (UV, chem resistance, corrosion) but the molder is having difficulties resolving surface finish problems (splay, inconsistent texture, and rough finish on sealing surfaces) so we are looking elsewhere. The main issues seem to be the parts wall thickness creates long cycle times int eh tooling (7 minutes or so) that the molder is citing as a root cause of the problems. I am examining glass filled PP (10 and 20%) but have little experience with them and it would be something very new for this company and industry. Any other suggestions?
thanks
thanks