7628M · Electronic Grade
7628M Electronic Fiberglass Cloth
The most widely ordered electronic cloth grade. Standard base fabric for rigid single-sided and double-sided CCL.
Area weight
210±3 g/m²
Thickness
0.18±0.02 mm
Yarn
G75 × G75
Roll width
1270 +10/-0 mm
Specification
Full specification — 7628M
The most widely ordered electronic cloth grade. Standard base fabric for rigid single-sided and double-sided CCL.
7628M woven cloth
| Parameter | Value |
|---|---|
| Area weight | 210±3 g/m² |
| Thickness | 0.18±0.02 mm |
| Warp density | 43.5±2 ends/inch |
| Weft density | 33.0±2 ends/inch |
| Yarn (warp × weft) | G75 × G75 |
| Tensile strength (warp) | ≥400 N/25 mm |
| Tensile strength (weft) | ≥300 N/25 mm |
| Organic content | 0.08±0.04 % |
| Roll length | ≥2000 m/roll |
| Joint count | ≤1 |
| Minimum splice length | ≥300 m |
| Fray width | ≤5 mm |
| Bow weft | ≤1.5% |
| Roll width | 1270 +10/-0 mm |
Values shown are nominal with the standard tolerance. Tolerance bands can be tightened for specific orders — tell us what your process requires.
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