7630 · Electronic Grade
7630 Electronic Fiberglass Cloth
High-strength substrate for rigid CCL, particularly where weft strength is a design constraint.
Area weight
220±3 g/m²
Thickness
0.19±0.02 mm
Yarn
G75 × G75
Roll width
1270 +10/-0 mm
Specification
Full specification — 7630
High-strength substrate for rigid CCL, particularly where weft strength is a design constraint.
7630 woven cloth
| Parameter | Value |
|---|---|
| Area weight | 220±3 g/m² |
| Thickness | 0.19±0.02 mm |
| Warp density | 43.5±2 ends/inch |
| Weft density | 37.0±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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