Air Water Inc. (TYO:4088) has developed a highly heat-resistant new O-ring using general-purpose fluororubber (FKM). This was achieved via efforts from subsidiary Air Water Mach Inc., which produces and and sells O-rings in addition to other sealing products. The new product combines fluororubber with Zeonano SG101, a series of single-walled carbon nanotubes that Zeon Corp. (TYO:4205) produces via the super-growth…