Photochromic Face Shield

Photochromic Face Shield

Description

WeeTect Photochromic Face Shield (WPFS) also names photochromic shield, transition face 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, transition 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
ItemPropertyTest MethodU/MValue
OpticalUV ResistantEN170%99.99%
HazeASTM D 1003%0.37
VLT Before Photochromic TintASTM D 1003%87
VLT Fully Photochromic TintASTM D 1003%20
Fully Photochromic Tint TimeWeeTect MethodSecond30
Change Back to Photochromic Clear TimeWeeTect MethodMinutes3
Fog Free timeECE22.05/ECE324s>22
Fog Free timeFreezing Testsno fogging
MechanicalHardness 1KGISO 178H1
High velocity impactANSI Z87.1 2010ft/s>300
Cross-Cut tape testASTM D 1000NAPass
Elongation, yield  % 7ISO 527%7
Elongation, break ISO 527 % 110ISO 527%110
Tensile stress, yieldISO 527Mpa60
Tensile modulus  MPaISO 527Mpa2300
Flexural strength, yieldISO 178Mpa100
Flexural modulus ISO 178 MPa 2500ISO 178Mpa2500
Izod notched impact, 20 °CISO 180-1AKJ/m²65
PhysicalGravityISO 1183g/cm³1.2
Water absorption, 24 hoursISO 62%0.15
ThermalMold shrinkageISO527%0.5-0.7
Thermal expansionASTM D6961/ °C7×10-5
Vicat Softening Temp., Rate B / 120(base sheet)ISO 306°C150
HDT, 0.45 MPaISO 75/Be°C138