SHIELD: Means Protection.
In cable industries we can use Term Shield as a protection of Signal from electro Static Interface, humming. It all Depend on Braid angle, Braid conductor, type of Braiding/Screening individual or collective, or both, Braiding/Screening percentage, efficiency of Screening/Braiding.
Shielding may be provided by Annealed Bare Copper, Annealed Tinned Copper wire, Al-Alloy Silver Coated Copper Wire, Nickel SS Wire, G.I Wire in the shape of Braiding Shielding also provided by Metallic Tape (Alluminium /Copper ) with Drain Wire with Minimum 25% Overlapped.. for better performance of cable, Copper Braiding may be provided over metalic tape.
Parashield range of shielded cables.
| Cross Sectional Area | 0.12 sq. mm to 2.5 sq. mm upto 100 core of tinned/un- Tinned Copper Conductors. (Flexible) 2.5 Sq. mm to 120 Sq. mm upto 4 core |
| Insulation | PVC/Polyethelene as per requirement |
| Identification of Cores | Colour coded/Bio-colour/Numbered |
| Formation | Collectively laidup with suitable filler |
| Screening/Shielding | Overall (collective Shielded) (OAS), Individual Shielded (IS) or both IS and OAS provided by Bare copper or annealed tinned copper as per the requirement of customers. |
| Armouring | Unarmoured /Armoured with Galvanised Steel Wire/ Strip |
| Sheath | PVC, FR, FRLS As per Requirment |