Yingnai FRP unistrut provides a modular corrosion-resistant support system for pipes, cable trays, instruments and lightweight equipment. Pultruded fiberglass construction combines electrical insulation, low weight and chemical resistance, while slotted channel geometry allows flexible positioning of brackets and fasteners. Channel size, slot pattern, thickness, resin system and accessories can be customized for installation requirements.
| Item | Typical Technical Specification |
| Product Name | FRP Strut Channel |
| Primary Function | Modular support channel for pipes, cable trays, instruments and lightweight equipment |
| Cross-Section | Slotted or plain strut channel with inward lips for spring nuts or channel nuts |
| Common Section Sizes | 41 × 41 mm and 41 × 21 mm; larger heavy-duty sections can be customized |
| Typical Wall Thickness | 2.5–5.0 mm |
| Slot Configuration | Typical elongated slots approximately 14 × 28 mm; spacing selected for the fastening system |
| Standard Length | 3 m or 6 m |
| Material System | Pultruded polyester or vinyl ester FRP with UV-resistant surface veil |
| Fastening System | FRP or stainless-steel channel nuts, brackets, beam clamps, pipe clamps and base plates |
| Load Selection | Allowable channel and bracket loads shall be verified for span, slot pattern, temperature and connection hardware |
| Typical Applications | Chemical plants, wastewater facilities, electrical rooms, offshore platforms and corrosive utility supports |
| Inspection | Section dimensions, slot size and pitch, lip geometry, straightness, wall thickness and surface quality |
| Applicable Standards | ASTM D3917, ASTM D4385, ASTM D638, ASTM D790 and ASTM D2583 |
| Selected Standard Sizes | |||
| Section | Configuration | Section | Configuration |
| 41 × 41 × 2.5 mm | Slotted or plain | 41 × 41 × 3.0 mm | Slotted or plain |
| 41 × 41 × 4.0 mm | Heavy-duty | 41 × 21 × 2.5 mm | Shallow |
| 41 × 21 × 3.0 mm | Shallow | 82 × 41 × 4.0 mm | Double-depth |
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