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CEP932-442 - 4.5 x 5.25 Clear Polycarbonate Welding Helmet Cover Lens

Packaging: 1 per each
$2.99/ea $1.31/1 per each only $1.31/eaSave 56%

In stock

OVERVIEW

Industrial Grade Polycarbonate Protection

The Lense Polycarbonate 4 1/2X5 1/4 is a critical component for maintaining the safety and functionality of industrial welding helmets. Manufactured from high-grade polycarbonate, this lens serves as the primary barrier between the welding arc's physical byproducts and the sensitive filter equipment housed within the helmet assembly. Unlike traditional glass cover plates, polycarbonate offers exceptional impact resistance, making it the preferred material for environments where flying debris, heavy spatter, and accidental drops are common risks. This resilience ensures that the lens maintains its structural integrity even under rigorous working conditions, complying with standard safety protocols for eye and face protection.

Measuring exactly 4-1/2 inches by 5-1/4 inches, this rectangular lens is designed to fit standard large-window welding hoods. It acts as a sacrificial layer, absorbing the damage from pitting, smoke residue, and molten metal spatter that would otherwise permanently damage the much more expensive Auto-Darkening Filter (ADF) or passive glass shade. The optical quality of the polycarbonate is engineered to be distortion-free, ensuring that the welder's view of the arc and the workpiece remains sharp and accurate. Maintaining high optical clarity is essential for precision welding tasks, as even minor distortions can lead to weld defects or operator fatigue over long shifts.

In the context of Maintenance, Repair, and Operations (MRO), regular replacement of the cover lens is a standard procedure to ensure compliance and efficiency. A pitted or scratched lens diffuses light, causing glare and reducing visibility, which can compromise weld quality. This product provides a cost-effective solution for extending the lifespan of welding equipment while ensuring operator safety. Its lightweight nature also contributes to the overall comfort of the personal protective equipment (PPE), reducing neck strain during prolonged use. Whether used as an outer protection plate or an inner safety lens, this polycarbonate sheet delivers reliable performance in high-heat and high-impact industrial settings.

Additional Information
Packaging Description:1 Per Ea, 1 per each
Item:Lense Polycarbonate
Lense Size:4-1-2-x-5-1-4, 4x5
Shade or Magnifier # :n/a
Inner Or Outer:n/a
Brand:Generic
Material:Polycarbonate
Shape:Rectangular
----- new values below ----
Material:Polycarbonate
Lens Type:Clear Cover Lens
Dimensions:4.5" x 5.25"
Impact Resistance:High
Shape:Rectangular
brand:generic
item:lense-polycarbonate
lense-size:4-1-2-x-5-1-4
packaging-description:1-per-ea

INCLUDED

  • 1 x Polycarbonate Clear Lens (4-1/2" x 5-1/4")

APPLICATIONS

  • Protective outer cover lens for welding helmets
  • Inner safety plate for large-window ADFs
  • Replacement shield for grinding operations
  • General impact protection for face shields
  • Industrial fabrication and maintenance

FAQ

The lens measures 4-1/2 inches by 5-1/4 inches (approx. 114mm x 133mm), a standard size for large-view welding helmets.

It is made of polycarbonate, a durable thermoplastic that offers superior impact resistance compared to glass.

It fits any helmet designed to accept a standard 4.5" x 5.25" cover lens. Please check your helmet's manual or measure your existing lens to confirm.

No, this is a clear cover lens. It has no shade value and is designed only to protect the shaded filter plate or ADF behind it.

Change it out as soon as it gets pitted, scratched, or too dirty to clean. If you can't see the puddle clearly, it's time for a new one.

Yes, polycarbonate is impact resistant and suitable for grinding, provided it is installed correctly in a rated helmet or shield.

Yes, most polycarbonate lenses come with a peel-off film on one or both sides to prevent scratches during shipping. Remove it before installation.

Polycarbonate is much lighter and virtually shatterproof, making it safer for industrial environments where impact hazards exist.