Greenhouse Card SlotIt Is The Basic Frame Accessory For Fixing The Greenhouse Film, Which Is Matched With The Clamp Spring To Form The Greenhouse Film Fastening System. It Is The Core Structural Component To Ensure The Airtightness Of The Greenhouse. High Strength Hot-dip Galvanized Steel Strip Is Used For Cold Bending, With A Thickness Of 1.0-1.2mm And A Zinc Layer Thickness Of ≥ 80g/m ². It Has Excellent Corrosion Resistance And Is Suitable For High Humidity Environments In Greenhouses.
The Cross-section Of The Card Slot Is Designed With A U-shaped Groove Body, And The Opening Is Equipped With Symmetrical Anti Drop Spikes. The Width Of The Slot Is Precisely Controlled Within 8-10mm To Ensure That The Card Spring Fits Tightly Without Loosening After Insertion. The Two Sides Of The Tank Are Equipped With Reinforced Rib Structures, Which Increase The Bending Strength By 40%. After Installation, It Is Not Easy To Deform And Can Stably Withstand The Tension Of The Greenhouse Film.
The Length Specifications Range From 4 Meters To 6 Meters And Can Be Extended Through Dedicated Connectors To Accommodate Greenhouse Skeletons Of Different Spans. During Installation, It Is Directly Connected To The Greenhouse Steel Frame Through Card Slot Fasteners, Without The Need For Complex Processes, And Is Compatible With Various Types Of Greenhouse Films Such As PE, PO, EVA, Etc. After Testing, The Service Life Can Reach More Than 10 Years Under Normal Use, Making It A Sturdy Support For Greenhouse Film Covering Systems.