7667 · Electronic Grade
7667 Electronic Fiberglass Cloth
Base fabric for heavy rigid CCL and industrial laminates where mechanical strength matters more than thinness.
Area weight
234±5 g/m²
Thickness
0.20±0.02 mm
Yarn
G68 × G68
Roll width
1270 +10/-0 mm
Specification
Full specification — 7667
Base fabric for heavy rigid CCL and industrial laminates where mechanical strength matters more than thinness.
7667 woven cloth
| Parameter | Value |
|---|---|
| Area weight | 234±5 g/m² |
| Thickness | 0.20±0.02 mm |
| Warp density | 43.5±2 ends/inch |
| Weft density | 38.0±2 ends/inch |
| Yarn (warp × weft) | G68 × G68 |
| Tensile strength (warp) | ≥450 N/25 mm |
| Tensile strength (weft) | ≥350 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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