bonnell mattress materials inner mattress spring

 Bonnell spring

1.  Raw Material: high quality steel wire

2.  Turns: 4 – 7 turns

3.  Wire Diameter: 2.0mm –  2.5mm

4.  External Diameter: 70mm  –  90mm

5.  Middle Diameter: 40mm –  58mm

6.  Height: 140mm –  180mm

7.  Main Application: Bonnell Spring Unit / Mattress Innerspring Unit / Sofa

8.  Craftmanship: Anti-rust treatment and heat treatment

9.  Packing:   packed  on   wooden   pallet  /   plastic   woven  bag   /   client’s

requirement

10.Characteristic: High Tensile / Good Elasticity

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