Welding Helmet Lens Cover

Welding Helmet Lens Cover

Description

WeeTect welding lens cover (WWLC) is a welding helmet lens cover which cut from optical class polycarbonate sheet. Compare with other welding helmet replacement lens, WeeTect welding lens cover (WWLC) has more visibility, smooth edge and competitive price.

The quality control points of the clear welding lens are polycarbonate sheet itself, processing selection, deburr technology and packaging. Most of other clear welding lenses manufacturers will use poor quality polycarbonate sheets and punching process which are easy to cause spots and scratch on the surface. WeeTect welding lens cover (WWLC) uses optical class polycarbonate sheet from our sister company with very competitive cost. And we use CNC machine cut to size to secure the good surface and smooth edge.

WeeTect Welding Lens Cover (WWLC) is a perfect candidate for all kinds of welding helmet manufacturers, brands and distributors. The sustainable performance could prolong the longevity and protect users consistently

Advantages of WeeTect Welding Lens Cover :

  • Better visibility
  • Smoother edge
  • Clearer surface with mask protection
  • More competitive price
  • More flexible size options
  • Special surface treatment as options
More Details

 

Item Property  Test Method  U/M Value
 
Optical Diopter ECE 22.05 D <0.125
Haze ASTM D 1003 % 0.37
Fog Free time ECE22.05/ECE324 s >22
Fog Free time Freezing Test s no fogging
 
Mechanical Hardness 1KG ISO 178 H 1
High velocity impact ANSI Z87.1 2010 ft/s >300
Cross-Cut tape test ISO 527 NA Pass
Elongation, yield  % 7 ISO 527 % 7
Elongation, break ISO 527 % 110 ISO 527 % 110
Tensile stress, yield ISO 527 Mpa 60
Tensile modulus  MPa ISO 527 Mpa 2300
Flexural strength, yield ISO 178 Mpa 100
Flexural modulus ISO 178 MPa 2500 ISO 178 Mpa 2500
Izod notched impact, 20 °C ANSI Z87.1 2010 KJ/m² 65
 
Physical Gravity ISO 1183 g/cm³ 1.2
Water absorption, 24 hours ANSI Z87.1 2010 % 0.15
 
Thermal Mold shrinkage ISO 11359 % 0.5-0.7
Thermal expansion ISO 11357 1/ °C 7×10-5
Vicat Softening Temp., Rate B / 120(base sheet) ASTM D5470 °C 150
HDT, 0.45 MPa ISO 11357 °C 138

 Different Thickness

 

Thickness (mm/”) Width (mm) Length (mm) Remark
1.2mm/0.05″1mm/0.04″0.8mm/ 0.03″0.5mm/0.02″0.25mm/0.01″ 101.6mm/4″ 116.84mm/4.6″ Optical Grade
71.12mm/2.8″ 144.78mm/5.7″ Optical Grade
66.04mm/2.6″ 96.52mm/3.8″ Optical Grade
96.52mm/3.8″ 134.62mm/5.3″ Optical Grade
88.9mm/3.5″ 114.3mm/4.5″ Optical Grade
134.62mm/5.3″ 203.2mm/8″ Optical Grade
39.624mm/1.56″ 95.25mm/3.75″ Optical Grade
54.8mm/2.15″ 107.9mm/4.25″ Optical Grade
94mm/3.7″ 114.5mm/4.5″ Optical Grade
92.5mm/3.6″ 110.5mm/4.35″ Optical Grade
96mm/3.8″ 117mm/4.6″ Optical Grade
121mm/4.8″ 137.5mm/5.4″ Optical Grade
45.4mm/1.8″ 99.3mm/3.9″ Optical Grade
39.3mm/1.55″ 96.7mm/3.8″ Optical Grade
55.8mm/2.2″ 99.7mm/3.9″ Optical Grade
64.7mm/2.55″ 99.7mm/3.9″ Optical Grade