20lpi lenticular price

For 20lpi (lines per inch) lenticular lenses, the most critical factor is the thickness, which typically ranges from 3mm to 4mm. Because 20lpi is a 'large format' lens, you must ensure the viewing angle is appropriate for your project; a narrower angle (15°-25°) is ideal for 3D depth effects, while a wider angle (above 40°) is better for motion or flip effects. Additionally, verify the pitch displacement to ensure the physical LPI matches your printer's output resolution.

The most common and reliable material is PET (Polyethylene Terephthalate) due to its superior optical clarity and UV resistance. For outdoor advertising or large-scale signage, ensure the material is UV-stabilized to prevent yellowing. For cost-sensitive indoor projects, PS (Polystyrene) may be used, but it is more brittle and has lower transparency compared to PET.

Ensure the supplier provides SGS or RoHS certification to guarantee the material is free from hazardous substances. For products intended for public spaces, check for UL 94 V-2 or higher fire retardancy ratings. Quality-wise, request a surface scratch resistance test report and ensure the linear tolerance is within ±0.05mm to prevent ghosting or blurring in the final printed image.

20lpi is specifically designed for large-format displays viewed from a distance of 3 to 10 meters, such as outdoor billboards, cinema posters, and bus shelter ads. It is not suitable for handheld items like business cards. Buyers should confirm the optimal viewing distance with the manufacturer to ensure the 3D or flip effect remains sharp and does not cause eye strain for the end-user.

Lenticular sheets are highly sensitive to surface scratches and corner impact. Insist that the supplier uses protective PE film on both sides of every sheet. For bulk orders, products should be packed in fumigated wooden crates with moisture-proof desiccants. On Made-in-China.com, prioritize suppliers who offer secured packaging photos before the balance payment is made.

Since 20lpi sheets are heavy and expensive to ship, negotiate based on Full Container Load (FCL) to reduce the per-unit landed cost. Ask for a tiered pricing structure: for example, a 10-15% discount when moving from 500 sheets to 2,000 sheets. If you are a first-time buyer, request a paid sample pack (3-5 sheets) to test the pitch calibration before committing to a large MOQ.

Always use the Secured Trading Service on Made-in-China.com to protect your payment until the goods are verified. Conduct a factory audit or request a VR showroom tour to confirm the supplier is a manufacturer and not a middleman. Verify if the supplier has experience with customs clearance codes (HS Code 3920) to avoid delays at the port of entry.

A professional supplier should provide a Pitch Test File specific to their batch of 20lpi lenses. Because the physical pitch can vary slightly between production runs (e.g., 20.01 vs 19.99 LPI), the supplier must offer technical calibration guidance to help your prepress team align the interlaced images perfectly with the lens.