Yingnai FRP J channel is an asymmetric pultruded profile designed for panel edging, retaining, guide rails, drip edges and lightweight support applications. Its J-shaped geometry provides convenient edge capture while maintaining corrosion resistance and electrical insulation. Base width, leg height, return lip, thickness, resin system and length can be customized to match panels and installation details.
| Item | Typical Technical Specification |
| Product Name | FRP J-Channel |
| Cross-Section | Asymmetric J-shaped profile with one long leg and a short return leg |
| Typical Size Range | Base 20–100 mm; long leg 20–150 mm; return lip 5–30 mm; thickness 2–8 mm |
| Standard Length | 3 m or 6 m; custom cut lengths available |
| Material System | Pultruded E-glass or ECR-glass reinforcement in an isophthalic polyester, vinyl ester or project-selected thermoset resin matrix |
| Primary Function | Panel edge retention, drip edge, enclosure trim, guide rail or cable/panel support |
| Surface | Smooth or lightly textured resin-rich finish with optional UV protection |
| Installation | Adhesive bonding, screws, rivets, clips or bolted brackets |
| Design Limitation | Typically used as an edge or support profile; structural capacity requires section verification |
| Inspection | Base, long leg, short leg, lip, thickness, straightness and surface quality |
| Applicable Standards | ASTM D3917, ASTM D4385 and ASTM D2583 |
| Selected Standard Sizes | |||
| Profile Size | Unit Weight | Profile Size | Unit Weight |
| 30 × 25 × 10 × 2.5 mm | Custom | 50 × 40 × 15 × 3 mm | Custom |
| 75 × 50 × 20 × 4 mm | Custom | 100 × 75 × 25 × 5 mm | Custom |