Specification of

Gland packing Chesterton 477-1T

Non-contaminating, non-staining carbon yarn.

Chesterton 477-1T is thoroughly saturated with PTFE so that is doesn’t contaminate or stain the tough, yet pliable, carbon yarn packing. It’s use was for the tough applications in the pulp and paper industry. When the PTFE and the carbon yarn combine, it increases the 477-1T chemical resistant properties. It’s a brilliant product for reducing/eliminating flush water from a stuffing box when it’s combined with 1400R in rotating equipment.