Cat3 Film

Updated August 15, 2026

Overview

Product sourcing insights & recommendations

29 来源

The term 'Cat3 Film' primarily refers to Category 3 sunglasses lenses, which are the industry standard for high-sunlight protection. In the broader film market, it can also refer to Category III motion pictures (Hong Kong rating system) or high-compliance cannabis distillate (testing standards), but in a product sourcing context, it almost exclusively denotes eyewear filters Alibaba Trycannavine Sunglassesforsport.

1. Core Product Insights

Category 3 lenses are defined by their Visible Light Transmission (VLT) and UV protection capabilities, positioning them as the "optimal balance" for consumer eyewear.

* Light Blocking: Cat 3 lenses permit only 8%–18% of visible light to pass through, effectively blocking 82%–92% of glare Sunglassesforsport Amevista.

* Protection: They typically offer UV400 protection, blocking 99.9% of UVA and UVB rays up to 400nm Passporteyewear Passporteyewear.

* Versatility: Unlike Category 4 (which is too dark for driving), Cat 3 is the darkest tint legally permitted for road use, making it the dominant choice for recreational and sports sunglasses Bantonframeworks Passporteyewear.

2. Market & Technology Trends

The market is currently evolving from basic tinting to complex lens "stacks" and sustainable manufacturing.

* TAC Polarized Films: A significant trend is the integration of Tri-Acetate Cellulose (TAC) polarized films within Cat 3 lenses. This technology provides superior scratch resistance and 99% polarization efficiency to eliminate reflective glare from water or roads Windowfilm.

* Photochromic & Mirror Coatings: Modern Cat 3 products are increasingly featuring mirror coatings (Red, Blue, Silver) for aesthetics and additional light reflection, alongside photochromic layers that adjust tint levels dynamically Alibaba.

* Sustainability: Consumers are shifting toward bio-based frames (e.g., bio-acetate) paired with recyclable TAC or Nylon lenses Amevista.

3. Sourcing Opportunities

The B2B market offers a wide range of Category 3 components, from raw polarizing films to finished prescription-ready lenses.

* Wholesale Lenses: Prices for high-quality Cat 3 HMC (Hard Multi-Coated) or photochromic lenses range from $2.00 to $10.00 depending on the index and coating Alibaba Alibaba.

* Polarizing Films: Raw TAC polarized film sheets for eyewear manufacturing are available for as low as $0.06 to $0.12 per unit Alibaba Alibaba.

I have compiled a list of verified Category 3 lens manufacturers and TAC film suppliers below for your review.

I have analyzed the Category 3 film and eyewear market. You can continue with:

Sources & References

29 sources cited · Verified industry data & reports

What Is Cat 3 Distillate? Your 2026 CA Safety Guide

Cannavine Dispensary

In California's regulated cannabis market, cat 3 distillate refers to the highest tier of testing compliance under Department of Cannabis Control standards.

ECO3 graphic, contact, camera & recording film

ECO3

ECO3 offers a portfolio of highly sensitive contact, camera, and recording films exclusively in Latin America and Japan.

Cat III Film Guide: Understanding Hong Kong's Category III ...

Alibaba.com

'Cat III film' refers exclusively to motion pictures classified under Category III of the Hong Kong motion picture rating system, introduced in ...

Cat III Atrocities : r/VinegarSyndromeFilms

Reddit · r/VinegarSyndromeFilms

One of my favorite subgenres is Cat III, it's difficult to think of many films that are simultaneously so cruel, mad and stylish.

Brand Group -- Catalina Graphic Films

Nekoosa

Catalina Graphic Films is a complete line of pressure-sensitive materials manufactured for Offset, Indigo, Dry Toner, Flexo, Screen and Grand Format Inkjet.

What is CAT III: An Introduction | Asian Cinema Film Club

Asian Cinema Film Club

Category III was first established in 1988, as a classification system put in place for films made in Hong Kong that were considered exceptionally brutal in ...