| Model: | - |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electric Parts & Materials |
| Label: | pcb drilling , backup board , melamine |
| Price: |
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| Min. Order: | - |
| Live Chat: | Last Online:08 Jul, 2015 |
★Advantages:
A, Replace phenolic plate because of surface hardness ,high strength plate similar to phenolic and better environmental performance.
B, Reduce burr and protect the drill.
C, Ensure that the drill has an excellent ability to clean the debris.
Suitable for high-end, sophisticated printed circuit board drilling.
★Specifications:
| Size | inch | 37"×49";41"×49"; 43"×49" |
| Total thickness | mm | 2.7±0.15 |
| Moisture content | % | 4.5～7 |
| Nonstraightness | mm/m | ±1 |
| Density | g/cm3 | ≥0.9 |
| Hardness | N/MM2 | ≥72 |
| Warp | % | ≤0.8 |
| Elastic Modulus | Mpa | ≥2700 |
| Internal bonding strength | Mpa | ≥1.3 |
|
20°C/24h thickness expansion rate of water absorbing(bare) |
% | ≤25 |
| Static bending strength | Mpa | ≥27 |
