GEHR Plastics ECTFE Polyethylene Chlorotrifluoroethylene

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GEHR Plastics ECTFE Polyethylene Chlorotrifluoroethylene
Categories:	Polymer; Thermoplastic; Fluoropolymer; ETFE/ECTFE; ECTFE Fluoropolymer
Material Notes:	Ethylene-Chlortrifluorethylene exhibits an extraordinary impact strength at temperatures ranging from -76°C to 150°C. A great part of the product properties attributes to the very smooth surface and 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. Also, the permeation resistance to oxygen, carbon dioxide, chlorine gas and hydrochloric acid is 10 to 100 times better than PTFE. Properties extremely high impact strength good insulation properties very good weather resistance high resistance to radiation very high chemical resistance very good sliding properties physiologically harmless high density non-consistent against hot amines Applications includes parts which come in contact with aggressive materials, lining of tanks, pumps, flanges, fittings, parts in centrifuges and control engineering industry.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.71 g/cc	1.71 g/cc	ISO 1183
Water Absorption at Saturation	0.70 %	0.70 %	ISO 62

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	69	69	ISO 868
Ball Indentation Hardness	90.0 MPa	13100 psi	R; ISO 2039
Tensile Strength at Break	47.0 MPa	6820 psi	ISO 527
Tensile Strength, Yield	30.0 MPa	4350 psi	ISO 527
Elongation at Break	250 %	250 %	ISO 527
Elongation at Yield	5.0 %	5.0 %	ISO 527
Modulus of Elasticity	1.845 GPa	267.6 ksi	ISO 527
Flexural Strength	54.0 MPa	7830 psi	ISO 178
Charpy Impact Unnotched	NB	NB	ISO 179
Charpy Impact, Notched	NB	NB	ISO 179

Electrical Properties	Metric	English	Comments
Volume Resistivity	3.00e+13 ohm-cm	3.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+12 ohm	>= 1.00e+12 ohm	IEC 60093
Dielectric Constant	2.6 @Frequency 1e+6 Hz	2.6 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	15.0 kV/mm	381 kV/in	IEC 60243-1
Comparative Tracking Index	600 V	600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 µm/m-°C	50.0 µin/in-°F	ISO 11359
Thermal Conductivity	0.150 W/m-K @Temperature 20.0 °C	1.04 BTU-in/hr-ft²-°F @Temperature 68.0 °F	ISO 22007-4
Melting Point	230 °C	446 °F	DIN EN ISO 3146
Maximum Service Temperature, Air	150 °C	302 °F	UL 746B
Deflection Temperature at 0.46 MPa (66 psi)	82.0 °C	180 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	78.0 °C	172 °F	ISO 75
Minimum Service Temperature, Air	-76.0 °C	-105 °F	UL 746B
Glass Transition Temp, Tg	85.0 °C	185 °F	DIN EN ISO 3146
Flammability, UL94	V-0	V-0	UL 94
Oxygen Index	52 %	52 %	ASTM D2863

Compliance Properties	Metric	English	Comments
FDA	No	No	Physiological indifference

Descriptive Properties
Acid Resistance	limited
Aromatic Resistance	yes
Bondability	limited, pretreatment necessary
CKW Resistance	yes
Color	natural
Hydrocarbonate Resistance	yes
Hydroxide Resistance	yes
Ketone Resistance	yes
Physiological indifference	no, EEC
Resistance Against Hot Water	yes
UV Stabilization	yes

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PGEHR031 / 79868

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