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G11 glass epoxy
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- Very good mechanical properties
- Electrical insulation, including in wet places
- Good chemical resistance
- Good tensile and compressive strength
- Good dimensional stability
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Stratified glass epoxy, based on fibreglass fabric and epoxy resin, ideal for high temperatures
This material offers very good mechanical properties, electric insulation also in wet places, chemical resistance, tensile and compressive strength, and dimensional stability.
Sheets are available in 0.2 to 100 mm thickness and in the following sizes: 1220x1220 mm, 1220x2200 mm, 1050x2050 mm.
They are mainly used in the electro-mechanical and electronic sectors.
Low thickness versions of the product are used to manufacture base plates, washers, and contact holders; thicker versions are, on the other hand, used to manufacture a multitude of drawing-based shapes requiring dielectric insulation and mechanical strength.
It is a very good solution in the moulding industry as insulator for press tables.
It is also an efficient choice for the production of screws, nuts and bolts.
Insulation class F (155 °C)
| Properties | Standard | Unit of measurement | Value |
| General | |||
| Corresponds to | CEI EN 60983 | EP GC 203 | |
| NEMA LI - 1 | G 11 | ||
| DIN 7735 | HGW 2372.4 | ||
| CEI 15/10 | EV | ||
| Physical properties | |||
| Colour | natural translucent | ||
| Specific weight | ISO 1183 | g/cm3 | 1.9 (a) |
| Water absorption | ISO 62 | mm | 3 (b) |
| % | 0.4 (d) | ||
| Insulation class | IEC 60216 | °C | F (1) (155 °C) |
| Self-extinguishing | UL94 | -- | |
| Thermal conductivity | ISO 8302 | W/mK | 0,3 |
| Expansion coefficient | VDE 0304/VSM | 10-6/K | 15 |
| Silicone resin content | IEC 371-2 | % | -- |
| Mica content | IEC 371-2 | % | -- |
| Mechanical | |||
| Flexural strength ⊥ | ISO 178 | MPa | 340 (a) |
| Charpy impact strength | ISO 179 | KJ/m2 | 33 (a) |
| Tensile strength | ISO 527 | MPa | 300 (a) |
| Compressive yield strength ⊥ | ISO 604 | MPa | -- |
| Layer detachment strength // | CEI | N | 8000 |
| Dielectric | |||
| Insulation resistance | ISO 60167 | MΩ | 5x104 (d) |
| Dielectric strength // | IEC 60243-1 | KV | 35 (e) |
| Dielectric strength ⊥ | IEC 60243-1 | KV/mm | 14.2 (e) |
| Tracking resistance | IEC 60112 | V | 180 |
| Arc resistance | ASTM D495 | S | -- |
Test conditions
a) 48h 15-35 °C 45/75% RH
b) 1h 105 °C
c) 24h 105 °C
d) 24h 23 °C in water
e) 48h 50 °C in water
f) 24h 120 °C in oil
g) 96h 45 °C 95% RH
1) also available in class H (180 °C) - standard IEC EN 60893: EPGC 308
These are indicative data as they represent the average values measured at the time of routine checks in production.
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