Expanded PTFE Joint Sealant (POLYTOP SEAL®) is a product developed through special expansion of 100% Poly Tetra Fluoro Ethylene. It is soft and resilient for maximized sealing effect but also for satisfactory maintenance of creeping property even in harsh environments such as heat, cold, chemicals, shock and vibration etc., which has supplemented all drawbacks of gaskets. Also, the products come in oval, circular and square shapes.
– Materials: Glass, Plastic, FRP, Ceramic and steel etc,
– Flanges: All type of flange, large and complex geometries,
– Components: expansion joint, pipeline, pumps, machine housing, apparatus, hand and manholes.
Han Yang Chemical Co., Ltd. started with the production of NASA SEAL® (Thread Seal Tape) in 1983, and it has been developing 100% POLY TETRA FLUORO ETHYLENE using special expansion methods since 1987, to supply ePTFE NASA SEAL®, ePTFE POLYTOP SEAL® (Joint Sealant), ePTFE GASKET TAPE, PVC MAGIC TAPE and PVC FILM.
They are highly rated in not only domestic but also in international industries, based on their fundamental quality assurance in each development process and strict production management (ISO 9001:2008).
Especially, the POLYTOP SEAL® has been well-recognized in both America and Europe, through strict testing and quality certifications by the U.S. ABS (American Bureau of Shipping), German DVGW, and North America PVRC-TTRL to secure competitive power from an early stage.