Grade F Halogen-free fire retardant Epoxy glass fiber laminated sheet
Product Description
This product is made with the electrician non-alkali glass fiber cloth as the backing material, with high TG phosphorous and nitrogen flame retardant epoxy resin as binder via hot pressing laminated products, high mechanical strength and low combustion performance under normal temperature, high temperature under 155 ℃ still has strong mechanical strength, good electrical properties under dry and wet state, can be used in damp environment and transformer oil,It is a class F heat-resistant insulating material.Applicable to all kinds of motor, electrical, electronic and other fields, widely used in motor, electrical equipment as insulation structure parts, high voltage switch-gear, high voltage switch (such as motor stator insulation materials at both ends, rotor end plate rotor insulation piece, slot wedge, terminal board, etc.).
Features
1.Good electrical stability under high humidity;
2.High mechanical strength under high temperature;
3.Moisture resistance;
4.Heat resistance;
5.Temperature resistance:Grade F
6.Halogen-free and fire retardant
Compliance with standards
In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates - Part 4: epoxy resin hard laminates.
Appearance: the surface should be flat, free of bubbles, pits and wrinkles, but other defects that do not affect the use are allowed, such as: scratches, indentation, stains and a few spots.The edge shall be cut neatly, and the end face shall not be delaminated and cracked.
Compliance with standards
Suitable for all kinds of motor, electric appliances,electronic and other fields.
Main Performance Index
| NO. | ITEM | UNIT | INDEX VALUE | ||
| 1 | Density | g/cm³ | 1.8-2.0 | ||
| 2 | Water absorption Rate | % | ≤0.5 | ||
| 3 | Vertical bending strength | Normal | MPa | ≥380 | |
| 155±2℃ | ≥190 | ||||
| 4 | Compression strength | Vertical | MPa | ≥300 | |
| Parallel | ≥200 | ||||
| 5 | Impact strength (charpy type) | Lengthway no gap | KJ/m² | ≥147 | |
| 6 | Bonding strength | N | ≥6800 | ||
| 7 | Tensile strength | Lengthway | MPa | ≥300 | |
| Horizontal | ≥240 | ||||
| 8 | Vertical electric strength （in oil of 90℃±2℃） |
1mm | KV/mm | ≥14.2 | |
| 2mm | ≥11.8 | ||||
| 3mm | ≥10.2 | ||||
| 9 | Parallel breakdown voltage(1 min in oil of 90℃±2℃） | KV | ≥40 | ||
| 10 | Dielectric dissiption factor（50Hz) | - | ≤0.04 | ||
| 11 | Insulation Resistance | Normal | Ω | ≥1.0×1012 | |
| After soaking for 24hours | ≥1.0×1010 | ||||
| 12 | Combustibility（UL-94) | Level | V-0 | ||
