Photochromic Sheet & Film

Description

WeeTect Photochromic Sheet & Film (WPSF) also names photochromic plastic sheet & film, photochromic film. It is made from optical polycarbonate sheet and photochromic film with special photochromic technology. WeeTect Photochromic Sheet & Film (WPSF) can be applied to photochromic lenses, photochromic sunglasses, polarized photochromic sunglasses, photochromic safety glasses, photochromic glass sheet, photochromic goggles, photochromic motorcycle helmet visor, helmet visor insert, football visor ,photochromic spectacles etc.

At the same time, it is a perfect candidate to automatically adjust the visibility of augmented reality headset under sunlight. Such as optical head mounted display, augmented reality head up display, augmented reality head mounted display.

As WeeTect is a high end photochromic lens manufacturer, WeeTect Photochromic Sheet & Film (WPSF) is one of the best photochromic sheets with super high VLT when it is photochromic clear in house, and turns to photochromic tint on exposure to UV light quickly. At the same time, WeeTect Photochromic Sheet & Film (WPSF) offers options to add polarized feature and more surface treatment such as anti-fog coating, anti-scratch coating, anti-fingerprint coating and more. It can be applied to photochromic polarized sunglasses, photochromic polarized lenses as well. In advance, WeeTect is glad to co-develop other special features such as ballistic to support your niche market.

Photochromic Sheet, Photochromic Film Review of Advantages:

  • Convenience: you only need to offer your customer one pair of photochromic goggles for the varying light conditions.
  • UV protection: photochromic Sheet and photochromic Film absorbs 100% harmful UV radiation.
  • One stop solution: WeeTect Photochromic Sheet & Film (WPSF) also offers anti-fog coating, hard coating, abrasion resistant coating, anti-fingerprint coating or other color tinting.
  • Reduce cost: WeeTect is a capable photochromic lens manufacturer to share cost advantage to you
More Details

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

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

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