Photochromic Face Shield


WeeTect Photochromic Face Shield (WPFS) also names photochromic shield or photochromic helmet shield. It is made from photochromic coating on injection molded polycarbonate face shield. WeeTect Photochromic Face Shield (WPFS) can be applied to photochromic motorcycle face shield, photochromatic face shield, and other photochromic helmets or photochromic helmet shields.

As WeeTect is a capable photochromic lens manufacturer, WeeTect Photochromic Face Shield (WPFS) is one of the best photochromic face shields with an optical clarify before photochromic tint, and turns to dark from photochromic clear quickly under UV radiation. In advance, WeeTect Photochromic Face Shield (WPFS) can be added more surface treatment such as anti-fog coating, anti-scratch coating, iridium coating and more. As an eye and face protection solution provider, WeeTect holds the know-how of photochromic coating technology. We are glad to co-develop other special motorcycle helmet face shields with you.

Photochromic Face Shield Advantages:

  • Convenience: One piece of anti-fog photochromic face shield can fulfill all your different light conditions requirement.
  • UV protection: WeeTect Photochromic Face Shield (WPFS) can absorb 100% UV harmful radiation.
  • One stop solution: WeeTect Photochromic Face Shield (WPFS)also can do anti-fog coating, hard coating, abrasion resistant coating, iridium coating or other color tinting.
  • Reduce cost: As a capable photochromic lens manufacturer, WeeTect can support you to reduce cost.
More Details

PS: Here is a photochromic ebook for you to learn more about photochromic technology

Item Property Test Method U/M Value
Optical UV Resistant EN170 % 99.99%
Haze ASTM D 1003 % 0.37
VLT Before Photochromic Tint ASTM D 1003 % 87
VLT Fully Photochromic Tint ASTM D 1003 % 20
Fully Photochromic Tint Time WeeTect Method Second 30
Change Back to Photochromic Clear Time WeeTect Method Minutes 3
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 ASTM D 1000 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 ISO 180-1A KJ/m² 65
Physical Gravity ISO 1183 g/cm³ 1.2
Water absorption, 24 hours ISO 62 % 0.15
Thermal Mold shrinkage ISO527 % 0.5-0.7
Thermal expansion ASTM D696 1/ °C 7×10-5
Vicat Softening Temp., Rate B / 120(base sheet) ISO 306 °C 150
HDT, 0.45 MPa ISO 75/Be °C 138

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