Sealweld Winter-Seal #2525 utilizes the same base formula as Sealweld Winter-Lube #7030 with added PTFE particles that improve the sealing characteristics.

Sealweld Winter-Seal #2525 reduces torque and provides reliable sealing in leak passages up to 0.030". This product may also be used as a secondary stem sealant, when the ambient temperature makes pumping conventional sealants difficult and time consuming. Designed to remain insoluble in all types of hydrocarbon services including natural gas, condensate, related by-products, crude oil and refined petroleum products. Suitable for use in Sour Service.