| Model: | - |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electric Parts & Materials |
| Label: | pcb drilling , backup board , Phenolic |
| Price: |
-
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| Min. Order: | - |
| Live Chat: | Last Online:08 Jul, 2015 |
★Advantages:
A, Greatly reducing the amount of phenol formaldehyde resin.
B, Flat hard surface, no scratches, can reduce burrs.
C, Keeping the drill from overheating, extending its life.
D, High purity and high density material can reduce the probability of drill break.
E, Low loss of drill, cuttings are more likely to be sucked away and washed.
F,Reducing the hole wall roughness.
Suitable for high-end 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 |
