LRIコーティングが630°C強化処理に耐え、2.5〜4.5倍の導光ゲインを実現
欧州ガラス業界のリーダー企業
主要指標
01
課題
The glass manufacturer needed an LRI coating at RI 1.37 that could survive furnace tempering (250 seconds at 630°C with rapid cooling) for use in architectural and automotive light-guiding glass. No existing LRI coating on the market was known to withstand this thermal process.
02
アプローチ
Kriya developed both UV-curable and thermal-curable LRI variants at RI 1.37. Testing included direct glass coating with low-E film, PET substrate variants, and tempering survival validation. The thermal-curable variant (095-105-C V6) was optimised for the customer’s high-temperature process.
03
成果
The thermal-curable LRI achieved 93.8% transmission (3.9% gain over uncoated substrate) with 0.34% haze. The coating survived full furnace tempering at 630°C with no visible deterioration. Light-guiding tests confirmed 2.5–4.5× luminance improvement versus uncoated glass, comparable to LRI-on-PET performance.
Kriyaの強み
Kriya is the only supplier offering PFAS-free overcoatable LRI that survives glass tempering temperatures, enabling direct coating of architectural and automotive glass without lamination.
主要指標
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