Q1: Can you supply the sample?
A1: We can supply samples to check the quality before bulk order. But the price will be sample price not wholesale price.
Q2. Do you test all your goods before delivery?
A2: Yes, we have 100% test before delivery.
Q3. what is your standard width?
A3: 520mm and 620mm,we accept customization for the width. we can cut it into any size that you demand after pass discussing.
| Classification | Unit | Requirement | Test Method | |||||
| Foil Designation | / | H | M | 1 | IPC-4562A | |||
| Nominal thickness | / | 1/2 OZ | 3/4 OZ | 1OZ | IPC-4562A | |||
| Area Weight | g/㎡ | 150±5 | 228±8 | 285±10 |
IPC-TM-650 2.2.12.2 |
|||
| Purity | ％ | ≥99.8 |
IPC-TM-650 2.3.15 |
|||||
| Foil Profile | Shiny side (Ra) | սm | ≤0.4 | ≤0.4 | ≤0.4 |
IPC-TM-650 2.3.17 |
||
| Matte side(Rz) | um | ≤8 | ≤10 | ≤12 | ||||
| Tensile Strength |
R.T.(23℃)
|
Mpa | ≥220 | ≥235 | ≥280 |
IPC-TM-650 2.3.18 |
||
| Elongation |
R.T.(23℃)
|
％ | ≥2 | ≥3 | ≥3 |
IPC-TM-650 2.3.18 |
||
| Peel Strength(FR-4) | CEM-1 | N/mm | ≥1.5 | ≥1.7 | ≥2.0 |
IPC-TM-650 2.4.8 |
||
| PTC | ≥0.5 | ≥0.6 | ≥0.8 | |||||
| Pinholes&porosity | Number | No |
IPC-TM-650 2.1.2 |
|||||
| Anti-oxidization | R.T.(23℃) | day | 180 or customize | / | ||||
| H.T.(200℃) | Minutes | 60 or customize | / | |||||
We test the peel strength with CEM-1/PTC ,please reconfirm with your pp.
