Greenhouse Clamp SpringIt Is The Core Fastening Accessory Used In Conjunction With The Card Slot, Specially Designed To Fix The Greenhouse Film, And Is A Key Component To Ensure The Airtightness Of The Greenhouse. Made Of High-purity Manganese Steel Material Through Precision Machining, With A Manganese Content Of 1.0% -1.5%. Through High-temperature Quenching Treatment, A Uniform Pearlite Structure Is Formed, With An Elastic Modulus Of Up To 210GPa, Which Can Withstand Tens Of Thousands Of Elastic Deformations Without Fatigue Fracture.
The Card Spring Has A Wavy Structure With Symmetrical Elastic Claws On Both Sides, Perfectly Fitting With The Inner Wall Of The Card Slot. It Can Be Inserted Into The Card Slot Without Tools And Pressed By Hand, Generating A Clamping Force Of 30-50N Instantly, Firmly Fixing The Greenhouse Film In The Card Slot, Smooth And Wrinkle Free.
The Surface Adopts Electrophoretic Rust Prevention Technology To Form A Protective Film Of 5-8 μ M, With A Salt Spray Resistance Test Of More Than 500 Hours, Which Can Resist The High Humidity And Foggy Corrosive Environment In The Greenhouse. Suitable For Various U-shaped Card Slots, With Length Specifications Ranging From 2 Meters To 6 Meters, Compatible With Various Types Of Greenhouse Films Such As PE, PO, EVA, Etc., With A Service Life Of Up To 8-10 Years, It Is A Durable Guarantee For Greenhouse Film Covering Systems.
