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照明產品
ACR 照明反射片
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產品編號: ACR
產品簡介:
ACR照明反射片較一般傳統反射片效能提升30%

- 抗紫外線
- 高導熱性
- 高擴散式反射
- 平坦的反射光譜

杜邦Optilon™ ACR 本身具有相當適合照明的特性,可以簡單地提升照明裝置的效率並有效減少LED或燈管的成本

ACR-Advance Composite Reflector 以下為ACR基本介紹

● High Density Polyester (高密度聚乙烯)
● Fibrous Structure (纖維狀結構)
● Flashspun Technology (閃蒸法技術)
● Thermally Bonded (熱壓合製程)
● High Reflectivity Achieved by High Porosity Fibers (纖維間孔洞提供高反射率)
● Environmentally Responsible (環保可回收/符合歐盟RoHS及SVHC規範)

ACR 本身特性使其成為照明應用上絕佳的反射片選擇

DuPont Optilon™ ACR has a superior lighting reflection property. It can effectively increase the efficiency of lighting equipments, all whilst lowering the cost of LED and fluorescent lights.

杜邦Optilon™ ACR 本身具有相當適合照明的特性,可以簡單地提升照明裝置的效率並有效減少LED或燈管的成本。

Features:   Benefits:
● Flat Spectral Reflectance (平坦的反射光譜)
● Highly Diffused Reflection (高擴散式反射)
● High Thermal Conductivitiy (導熱係數為傳統PET的兩倍)
● UV Protection (抗紫外線)
  ● Natural White Appearance (白色外觀)
● Good Color Rendering Index (優良的演色性)
● Better Light Distribution (較佳的光分佈)
● Increased Luminaire Efficiency (增加照明裝置的效率)
● Efficient Heat Management (有效散熱)
● Shapable (可塑成各種造型)
● More Reliable outdoor and Near-Window Applications(於戶外及靠近窗戶的應用有較佳的可靠性)

擴散特性在照明中三種應用尤其具有優勢

● Color Mixing (混色需求)
● Indirect Lighting (間接照明)
● Mixing Multiple LEDs Without "Hotspots" (無多顆LED造成的光影)

Diffuse 擴散性 Powder Coat 粒子塗佈
Specular 鏡像性 Conventional Reflector (PET) 一般PET反射片 Typical ACR 典型ACR

How ACR Improves Luminaire Efficiency (ACR如何改善照明裝置效率)

● Cooper Metalux 2ʼx4ʼ with acrylic/prismatic lens
● Four 32 watt T8 linear fluorescent lamps rated 2850 lumens each (PHILIPS F32T8/TL835/ALTO)
● 84.8%反射率噴漆 V.S.ACR

ACR較一般傳統反射片效能提升30%

   ACR2021   ACR3000 
反射率
 (R%@550nm) 
96.5 96.3
厚度(um) 226 386

L* 98.1 98.7
a* -0.21 -0.22
b* -0.01 0.03

在UVA及UVB長時間照射下的色偏現象

ACR具有相當穩定的顏色,在UV之下不易發生黃化

Delta E 也相當穩定,意味反射率不因UV照射而減弱

● The PET reflector sample showed larger color shifts than the ACR samples under UV light.
  一般PET的反射片在UV老化下都比ACR呈現明顯的色偏

● PET reflector samples without UV durability treatment showed yellowing after only 137 hours of exposure.
  沒有抗UV的PET反射片僅在老化約137小時就可觀察到明顯的黃化

a*小幅度偏負,代表顏色為偏綠
b*大幅度變高,代表顏色明顯偏黃

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