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Insulation materials
Electrotechnical fiberglass sheet
Physical, mechanical and electrical characteristics:
|
Indicator |
Unitofmeasurement |
|
|
Density |
kg/м3 |
1600 - 1900 |
|
Breaking voltage under perpendicular flexure layers, not less |
MPа |
280 |
|
Breaking voltage underextension, not less |
MPа |
200 |
|
Charpy impact viscosity parallel to the layers on the samples with incision, not less |
kJ/sq. m |
30 |
|
Volumeresistivityafter conditioning under 24 hours /23°С/93% for blades thickness up to 8 mm, not less |
Ом*м |
1*110 |
|
Breakdown voltage parallel to the layers (one-minute testing) under М/90°С/transformer oil, not less |
кВЭФФ |
35 |
|
Insulation resistance after conditioning under 24h/23°C/distilled water, not less |
МОм |
5*104 |
|
The dielectric loss tangent at frequency 1*106 Hz after conditioning under 24h/23°C/distilled water, not more |
|
0,04 |
Fiberglass EZ-200, GOST 19907-83
Fiberglass - effective non-flammable, environmentally friendly, anticorrosiveelectro- and heat impermeable glass material. Used for the manufacture of electrical insulating materials and foil dielectrics in construction, insulation of walls and pipes, as well as in agriculture (protection of seedlings, insulation of buildings) and others. It is efficient at t ° to + 450 ° C.
Thickness 0.17 mm, width 1000 mm. Weight 1 m2 - C 0.2 kg.
Textolite PT и PTK, GOST 5-78
| Technical characteristics |
PT |
PTK |
|
Bendingvoltage under breaking, MPа (kgf/см2), not less |
108 (1100) |
137 (1400) |
|
Breaking voltage under compression, MPа (kgf/см2) parallel to the layers, not less |
120 (1220) |
130 (1326) |
|
Charpy impact viscosity on the samples without incision, kJ/м2 (kgf/см•см2), not less |
24 (25) |
34 (35) |
|
Waterabsorption, %, notmore |
1.0 |
0.9 |
Teflon brand F-4 TU6-05-810-88
Reference indicators of teflon
|
Physical: |
|
|
Density, kg/м3 |
2100-2200 |
|
Work temperature, °С |
от -269 до +260 |
|
Melting temperature, °С |
+327 |
|
Waterabsorptionfor 24 hours, % |
0.0 |
|
Coefficient of thermal conductivity at room temperature, W/м.degr. |
0.25 |
|
Mechanical: |
|
|
Breaking voltage under extension, MPа |
20-30 |
|
Elongationatbreak, % |
350 |
|
The coefficient of friction on steel |
0.2 |
|
Brinell hardness (ball indentation), MPа |
30-40 |
|
Electrical: |
|
|
Surfaceresistivity, Ohm * m |
1017-1020 |
|
Volume resistivity, Ohm, notless |
1017 |
|
Dielectric loss tangent at a frequency of 106 Hz |
0.2-0.3 |
|
Dielectric permeability at a frequency of 106 Hz |
0.0019-0.0022 |
|
Dielectricstrength,kV / mm |
50 |
FUM
Oil petrol-resistant, anti-corrosive, self-lubricating, non-toxic, heat and chemical resistant sealing material produced of PTFE-4D. The tape is designed to seal the fixed threaded connections of all materials during the plumbing, car repair, repair of household appliances and other purposes.
Applied at t° from -60°C to + 200°C and a pressure of the environ to 10 MPa.
Supplied in coils, thickness 0.1 mm, width 10 mm (C 0.2 kg), 15 mm (C 0.4 kg), 20 mm (C 0.5 kg), 25 mm (C 0.9 kg) and 60 mm (C 1.7 kg). There are also a winding of 10 mm width and a weight of 25 grams.