GRADE : NEMA - FR-4
SHEET SIZE : 2135 mm X 1220 mm / 1220 mm X 1066 mm
THICKNESS RANGE : 0.2 mm - Header 40 mm
DESCRIPTION : This grade exhibits extremely high mechanical strengths (flexural, impact and bonding) at room temperature. Good Dielectric loss and electric strength properties under both dry and humid conditions.
| Sr. No | PROPERTIES | ASTM TEST METHOD | UNITS | CONDITION | SPECIFICATION | TEST RESULTS |
|---|---|---|---|---|---|---|
| 1 | Specific Gravity | ---- | ---- | A | ---- | 1.90 |
| 2 | Water Absorption (max) | D229 | % | D-24/23 |
0.8 mm – 0.5% 1.2 mm – 0.4% 1.6 mm – 0.25% 2.4 mm – 0.2% 3.0-5.0mm – 0.15% |
0.8 mm – 0.4% 1.2 mm 0.3% 1.6 mm 0.18% 2.4 mm 0.15% 3.0-5.0 mm – 0.12% |
| MECHANICAL PROPERTIES | ||||||
| 1 |
Tensile Strength L.W. (12mm thick) C.W. |
D229 | PSI | A |
40,000 35,000 |
42,000 36,000 |
| 2 |
Impact Strength A. lzod L.W. ()32 – 25mm thick) C.W. |
D229 | PF CP204 | A |
7.00 5.50 |
7.8 5.75 |
| 3 |
Flexural Strength L.W. (0.8 – 2.4mm thick) C.W. |
D229 | PSI | A |
55,000 45,000 |
62,000 53,000 |
| 4 | Bonding Strength (12mm thick) | D229 | Lbs |
A D/48/50 |
2,000 1,600 |
2,200 1,800 |
| ELECTRICAL PROPERTIES | ||||||
| 1 |
Minimum Breakdown Voltage Edge Wise (0.8 – 25mm) |
229 | KV | A D-48/50 |
45 40 |
50 45 |
| 2 | Electric Strength (perpedicular to lamination) – (1.5mm thick) | D229 | ---- |
In oil at 90 C |
15 | 20 |
| 3 | Maximum Permittivity / 1MHZ (1.5mm thick) | D229 | ---- | A D24/23 |
5.20 5.40 |
5.12 5.25 |
| 4 | Insulation Resistance after (Immersion in water for 24 hours) | D229 | M Ω | C – 96/35/90 | 200,000 | 300,000 |
| 5 | Maximum Dissipation | ---- | ---- | A | 0.025 | 0.02 |
| 6 | Factor/MHZ (1.5mm thick) | ---- | ---- | D-24/23 | 0.035 | 0.03 |
| THERMAL PROPERTIES | ||||||
| 1 | Temperature Index | VDE 0304/2 | C | ---- | 130 | 130 |
| 2 | Insulating class | IEC Publ.85 | C | ---- | B | B |
| 3 | Flammability | UL94 | Class | A | V0 | V0 |
Glass Epoxy Sheet
| Thickness | 3mm |
| Resin Type | Epoxy |
| Color | Yellow or Natural Green |
| Company | various |
| Size | 1220mm x 1220mm |
| Density | 2.1 |
| Applicable Temperature | F Class - 155 degree |
Glass Epoxy Threaded Rod
| Finishing | round smooth |
| Single Piece Length | 1 mtr or upto 2.5 ,mtr on request |
| Material | Fibre Glass |
| Color | Natural |
| Size/Diameter | 6MM TO 50 MM |
Glass Epoxy Round Tube
| Material | Polyester and Epoxy |
| Color | Natural ( other on request) |
| Thickness | Outside Dia x Inside Dia on request |
| Surface Treatment | Smooth |
Glass Polyester Sheet
| Color | Natural ( all other colour on demand ) |
| Brand | none |
| Finishing | smooth |
| Material | FRP Polyester |
| Shape | square |
| Max Withstanding Temperature | B Class |
Glass Epoxy Nut
| Color | Natural |
| Size | m10 , m12, m16 and m20 |
| Brand | none |
| Material | Fibre Glass |