mintex rear pads

[peteopc]

I have mintex pads on the rear that are fine when cold. When they warm up through normal use they seem to expand and then grab on the discs slightly resulting in a squeal at slow speeds from the near side rear. The calipers have been rebuilt to try and solve this and see fine, it must be the pads and mattperformance has had a look and also suspects the pads. Has anyone else had a similar experience with mintex?