China Suppliers L Profile 50*50*4mm White Cardboard Corner Protectors - Durable Edge & Corner Protection from Factory
White cardboard corner protectors are crafted from premium cardboard through multi-layer roller pressing and adhesive bonding, ensuring a firm and durable structure. With a standard 90° right angle, they can be fully wrapped or half-wrapped based on packaging needs. The surface is smooth and flat without obvious burrs, avoiding scratches on protected products.
These protectors are 100% recyclable and comply with ROHS environmental standards, making them an ideal green alternative to plastic or wooden protectors. They are designed to integrate seamlessly with strapping, cartons, and pallets, providing comprehensive edge protection while maintaining the aesthetics of packaging—especially suitable for high-end products where appearance matters.
| Model | Size (Width×Width×Thickness) | Length | Material | Compressive Strength | Moisture Content | Packaging details |
|---|---|---|---|---|---|---|
| WCP-L50 | 50×50×4mm | Customizable | Paper, Cardboard, Kraft Paper | ≥30kN/m | ≤12% | 20 pcs/bundle |
| WCP-L60 | 60×60×5mm | Customizable | Paper, Cardboard, Kraft Paper | ≥35kN/m | ≤12% | 20 pcs/bundle |
| WCP-L70 | 70×70×6mm | Customizable | Paper, Cardboard, Kraft Paper | ≥40kN/m | ≤12% | 20 pcs/bundle |
They are crafted from premium paper, cardboard, and kraft paper through a multi-layer roller pressing and adhesive bonding process, providing a highly durable and firm structure.
Yes, they are 100% recyclable, free of harmful substances, and fully comply with ROHS international environmental standards, making them an excellent sustainable alternative to plastic packaging.
Yes, while we offer standard models such as WCP-L50, WCP-L60, and WCP-L70, the length can be fully customized to suit your specific packaging requirements.
They shield product edges from collisions and friction, reducing damage rates by over 60%. They also distribute strapping tension evenly to prevent straps from cutting into the product surface.
Depending on the model and thickness, the compressive strength ranges from ≥30kN/m for WCP-L50 up to ≥40kN/m for WCP-L70, ensuring robust structural reinforcement.