(Representative of styles 7628 / 7781 per ASTM D5035 / D7269)
| Property | Typical Value |
| Fiber Type | ASTM D578 Type E glass fiber |
| Weave Styles | Plain / Twill / 8-H Satin |
| Areal Weight | 100–600 g/m² (3–18 oz/yd²) |
| Thickness | 0.08 – 0.40 mm |
| Tensile Strength | 3200–3600 MPa |
| Elastic Modulus | ~76 GPa |
| Elongation at Break | ~4.5% |
| Dielectric Strength | >10 kV/mm (IEC 60243 compliant) |
| High Temperature Resistance | Up to 550°C |
| Resin Systems | Epoxy, Polyester, Vinyl Ester, Phenolic |
| Width | 1000–2200 mm (custom available) |
| Style | Areal Weight | Weave | Thickness | Typical Applications |
| 1080 | ~48 g/㎡ | Plain | ~0.05 mm | Microelectronics, RF PCB |
| 2116 | ~106 g/㎡ | Plain | ~0.08 mm | Radomes, multilayer PCB |
| 7628 | ~200 g/㎡ | Plain | ~0.17 mm | PCB base, insulation liner |
| 7781 | ~300 g/㎡ | 8H Satin | ~0.25 mm | Aerospace composites |
| 3732 | ~430 g/㎡ | Plain | ~0.40 mm | Welding blankets, thermal insulating barriers |
Ultra-Low Dielectric Glass Fiber for High-Frequency Composite Applications
Heaterk fabric is woven from continuous filament e glass fiberglass yarns defined by ASTM D578 Type E, a glass fiber made from borosilicate with less than 1% alkali oxides. It delivers excellent mechanical properties, chemical resistant performance, and high temperature durability up to 550°C.
Compatible with epoxy, polyester, vinyl ester, and phenolic resin systems, E-glass fiberglass fabric serves as a standard reinforcement in a broad range of composite materials applications.
Fabrics are available in:
Plain weave (1x1): tight and stable
Twill weave (2x2): better drape and surface finish
8-harness satin: smooth surface, ideal for molding
Application by Style:
7628 (~200 g/m²): PCB base layers, electrical liners
7781 (~300 g/m²): Aerospace skins and curved structures
3732 (~430 g/m²): Welding curtains, thermal insulating fire barriers
With tensile strength of 3200–3600 MPa and modulus around 76 GPa, this glass fiber fabric provides consistent performance for non-primary structural components where cost-efficiency, thermal insulating ability, and resin compatibility matter.
E glass fiberglass fabric is trusted across sectors requiring reliable reinforcement, thermal insulating capability, and chemical resistant performance at a competitive cost.
Aerospace
Interior panels
Secondary structure skins
Molded composite materials
Marine
Hulls, decks
Bulkheads, FRP cores
Spray-up and vacuum-infused glass products
Industrial
Tank linings
Heat-resistant FRP ducting
Equipment casings, molded glass products
Automotive
Battery insulation
Lightweight body panels
Firewall heat shields
Electrical & Fire Protection
PCB base cloths (7628, 2116)
Thermal insulating blankets, fire curtains
Phenolic-laminated transformer barriers
ASTM D578 – Material classification for glass fiber
ASTM D5035 / D7269 – Tensile/fabric test methods
IEC 60243 – Dielectric strength testing
IPC-4101 compatible for PCB applications
RoHS & REACH compliant available
Surface treatments: silane, desizing, heat-cleaned
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