GEHR® ECTFE (Halar®)


Ethylene-Chlortrifluorethylene, or ECTFE, exhibits an extraordinary impact strength at temperatures ranging from -104 °F to +302 °F. The very smooth surface differentiates HALAR® from other fluoropolymers. Due to the fact that ECTFE is very pure, this material is being used to process chemicals and ultrapure water for the semiconductor industry.

* Parts which come in contact with aggressive materials (i.e. machinery building industry)
* Parts in centrifuges and the control engineering industry, etc.
* Lining of tanks
* Pumps
* Flanges
* Fittings


* Great dimensional stability with a Coefficient of Linear Thermal Expansion of 5.1 x 10-5 in. / in. / °F + nil moisture absorption
* Extremely high impact strength (up to -105 °F) no break on notched or unnotched IZOD impact test
* Good insulation properties
* Very good weather resistance
* High resistance to radiation
* Very high chemical resistance
* Self-extinguishing
* Much more dimensionally stable than PTFE
* Very good sliding properties
* Food safe
* High density
* Limited protection against stress cracking at temperatures >284 °F
* Permeation resistance to chlorine gas, carbon dioxide, oxygen and hydrochloric acid is 10 to 100 times better than PTFE