China phenolic resin sheet 3240
Product Description
3240 Epoxy phenolic glass fiber laminated sheet(without filler):This product is a laminated product made of electrical purposed alkali-free glass cloth impregnated with epoxy phenolic resin by hot pressing.The thermostablity is grade B.It has good mechanical and dielectrical properties，
Applicable to mechanical, electrical, electronic, electrical and other fields. It is also used in the processing of insulating parts, and processed into all kinds of insulating parts and equipment insulating structural parts, which can be used in wet environment conditions and transformer oil.
3240 Epoxy phenolic glass fiber laminated sheet(With filler):This product is a laminated product made of electrical purposed alkali-free glass cloth impregnated with epoxy phenolic resin and filler by hot pressing .Because 3240-B is cheaper than 3240-A and has good practicability, it is more common in the market. For further information, please kindly consult our sales person.
Compliance With Standards
In accordance with GB/T 1303.4-2009 electrical thermosetting resin industrial hard laminates - Part 4: epoxy resin hard laminates, IEC 60893-3-2-2011 insulating materials - electrical thermosetting resin industrial hard laminates - Part 3-2 of the individual material specification EPGC201.
Features
1.Good mechanical properties;
2.Good dielectrical properties;
3.Moisture resistance,suitable under
wet environment and transformer oil.
4.Good machinability properties
5.Temperature resistance:Grade B
Application
1) Used in the mechanical performance requirements of a high motor, electrical equipment and insulating structural parts
2) ICT,ITE rule the processing of the insulation parts,test fixtures,silicon rubber keypads mold
3) Fixture plate , mold plywood,countertops grinding plate,packaging machines,comb,etc
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 | MPa | ≥340 | ||
| 4 | Vertical compression strength | MPa | ≥350 | ||
| 5 | Parallel impact strength (charpy type-gap) | KJ/m² | ≥33 | ||
| 6 | Parallel impact strength (cantilever beam method) | KJ/m² | ≥34 | ||
| 7 | Parallel shear strength | Mpa | ≥30 | ||
| 8 | Tensile strength | MPa | ≥200 | ||
| 9 | Vertical electric strength （in oil of 90℃±2℃） |
1mm | KV/mm | ≥14.2 | |
| 2mm | ≥11.8 | ||||
| 3mm | ≥10.2 | ||||
| 10 | Parallel breakdown voltage(in oil of 90℃±2℃） | KV | ≥35 | ||
| 11 | Dielectric dissiption factor（50Hz) | - | ≤0.04 | ||
| 12 | Insulation Resistance | Normal | Ω | ≥5.0×1012 | |
| After soaking for 24hours | ≥5.0×1010 | ||||
