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Dalau Dalcon 025 75% Virgin PTFE, 25% Glass Fiber, Blue

Category Polymer , Thermoplastic , Fluoropolymer , PTFE , Polytetrafluoroethylene (PTFE), Glass Filled, Molded
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dalau Dalcon 025 75% Virgin PTFE, 25% Glass Fiber, Blue.pdf
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Material Notes:
Applications & Industries: General: 25% Glass fibre is the most widely used filler. It improves the creep resistance, compressive strength, rigidity, and wear of PTFE, both at low & high temperatures. It is chemically stable (except to strong alkalis & hydrochloric acid - HF). 25% glass filler improves the wear resistance properties of PTFE.Chemical: Dynamic & shaft seals; and Seals & gaskets. Flat gaskets are used to seal flanges in pipelines.Construction: Bridge bearings. Slide bearings.Engineering: Anti - friction bearing cages & bearing plates; Bearings, bushes, shaft bearings / seals (in combustion engines); Chain tension slide bearings. Film bearings. Multi - layer composite bearings; Laboratory equipment. Measuring & control technology; Pipe supports. Glandless valves & pumps, valve seats; Piston rings in hydraulic systems; and Piston rod packings used in compressor plunger pumps & valves.CHEMICAL RESISTANCE: The strength of the carbon - fluorine bond and the shielding of the carbon chains by the fluorine atoms result in a chemical inertness which is virtually universal, except alkali metals, fluorine under certain conditions, and some fluorine compounds at elevated temperatures. Resistant to organic solvents. This compound has a fair resistance to the following chemicals: Ammonium hydroxide, Bromine, Cromic acid, Hydroboric acid, Hydrochloric acid, Hydrocyanic acid, Nitric acid (0 - 50%), Phenol, Sodium hyrdroxide. This compound has an unsatisfactory resistance to the following chemicals: Fluorosilicic acid, Hydrofluoric acid, Hydrogen sulphide (solution), Sodium silicate.Information provided by Dalau
Physical Properties Metric English Comments
Density 2.19 - 2.27 g/cc
0.0791 - 0.0820 lb/in³
BS2782:Pt6
Deformation 6.4 %
6.4 %
Permanent Deformation; ASTM D621
9.0 %

@Time 3600 sec,
Pressure 14.2 MPa
9.0 %

@Time 1.00 hour,
Pressure 2060 psi
ASTM D621
9.2 %

@Time 3600 sec,
Pressure 5.00 MPa
9.2 %

@Time 1.00 hour,
Pressure 725 psi
150°C; ASTM D621
12.4 %

@Pressure 14.2 MPa,
Time 86400 sec
12.4 %

@Pressure 2060 psi,
Time 24.0 hour
ASTM D621
Mechanical Properties Metric English Comments
Hardness, Shore D 64 - 68
64 - 68
ASTM D2240
Tensile Strength 11.0 - 15.0 MPa
1600 - 2180 psi
Moulding Direction; BS2782:Pt3
Elongation at Break 120 - 270 %
120 - 270 %
Moulding Direction; BS2782:Pt3
Flexural Yield Strength 5.50 MPa

@Strain 0.200 %
798 psi

@Strain 0.200 %
ASTM D790
Flexural Modulus 1.00 GPa
145 ksi
ASTM D790
Compressive Strength 1.80 MPa

@Strain 0.200 %,
Temperature 150 °C
261 psi

@Strain 0.200 %,
Temperature 302 °F
ASTM D695
8.64 MPa

@Strain 0.200 %,
Temperature 23.0 °C
1250 psi

@Strain 0.200 %,
Temperature 73.4 °F
ASTM D695
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 136 µm/m-°C

@Temperature 23.0 - 200 °C
75.6 µin/in-°F

@Temperature 73.4 - 392 °F
ASTM D696
CTE, linear, Transverse to Flow 84.0 µm/m-°C

@Temperature 23.0 - 200 °C
46.7 µin/in-°F

@Temperature 73.4 - 392 °F
ASTM D696
Thermal Conductivity 0.410 W/m-K
2.85 BTU-in/hr-ft²-°F
Moulding Direction; ASTM C177
Melting Point 327 °C
621 °F
ASTM D3417
Maximum Service Temperature, Air 260 °C
500 °F
300 °C
572 °F
Short Periods
Minimum Service Temperature, Air -200 °C
-328 °F
Flash Point 360 °C
680 °F
ASTM D1929
Oxygen Index 98 - 100 %
98 - 100 %
ASTM D2863
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+17 ohm-cm
1.00e+17 ohm-cm
ASTM D257
Surface Resistance 1.00e+16 ohm
1.00e+16 ohm
ASTM D257
Dielectric Constant 2.63

@Frequency 60.0 Hz
2.63

@Frequency 60.0 Hz
ASTM D150
2.85

@Frequency 1.00e+6 Hz
2.85

@Frequency 1.00e+6 Hz
ASTM D150
Dielectric Strength 12.9 kV/mm
328 kV/in
Air; ASTM D149
34.2 kV/mm
869 kV/in
Oil; ASTM D149
Dissipation Factor 0.0028

@Frequency 1.00e+6 Hz
0.0028

@Frequency 1.00e+6 Hz
ASTM D150
0.0718

@Frequency 60.0 Hz
0.0718

@Frequency 60.0 Hz
ASTM D150
Descriptive Properties Value Comments
Color Blue
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