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Signs, Lightboxes, Directional Signs
PMMA film, with its excellent optical properties and environmental resistance, has become an ideal material for lightboxes, signs, and high-speed indicator systems in the field of advertising signage. Its specific applications are as follows:
1、 Outdoor advertising and lightboxes
High transparency billboard
PMMA film has a light transmittance of ≥ 92% (far exceeding glass by 91%), and when combined with a uniform light source, the lightbox image has high color saturation and no light spots, increasing the visual impact at night by more than 40%. It is suitable for scenarios such as shopping mall windows and subway lightboxes.
Self cleaning and weather resistance: The "lotus leaf effect" on the surface reduces dust accumulation, and the 1000 hour QUV aging test has a Δ E ≤ 3, ensuring long-term non yellowing and non cracking outdoors (such as in the application case of antique signs in scenic spots).
Anti impact protective layer
The impact resistance strength is 10 times that of glass, which can withstand hail (hail with a diameter of 4cm and a speed of 23m/s) and strong winds, reducing the maintenance cost of billboards by more than 30%.
2、 Traffic indication system
Permanent highway signage
Reflection clarity: With a transmittance of 92% and micro prism reflection technology, the nighttime recognition distance is increased by 50%, suitable for highway signs and tunnel markings.
Extreme environment adaptation: No deformation under temperature difference of -30 ℃~80 ℃, no corrosion in salt spray environment (coastal highways), and a lifespan of over 10 years.
Dynamic transportation infrastructure
Flexible PMMA film is used for Variable Message Board (VMS), with a bending resistance of more than 50000 times, suitable for curved installation requirements (such as curved ceilings at toll stations).
3、 Functional extension design
Lightweight integrated solution
The density is only half that of glass (1.18 g/cm ³), which reduces building load and is suitable for large venue roof signs (such as huge advertisements in sports venues).
Safety and environmental characteristics
Flame retardant safety: B1 level self extinguishing upon ignition, reducing the risk of fire spread.
Non polluting processing: Laser cutting does not release toxic gases (compared to PVC) and meets green building standards.
4、 Precautions for Material Application
Application scenarios
Advantage performance
Key points for risk avoidance
High speed reflective signage
Transmittance 92%+UV aging resistance
Surface needs to be embossed to prevent glare
Curved lightbox
Hot forming temperature 130 ℃± 5 ℃
Avoid local overheating and foaming
Signs for high-altitude regions
-50 ℃ anti brittle fracture
Substrate thickness ≥ 1.5mm
PMMA film has become an upgraded solution in the field of outdoor signage due to its three core advantages: optical performance (high transparency and low fog), environmental resistance (UV/corrosion resistance), and safety properties (flame retardancy and impact resistance). During construction, it is necessary to control the accuracy of the hot forming process and prioritize the use of coating models to improve scratch resistance.




