1. Blocking high 2.Low price and high quality 3.there are many type ,such as GRB1 GRB2 GRB3

Nantong Zhenhua Optical-electric Co., Ltd. specialing in the production of optical components,having a strong technical force,having sophisticated equipment,and detection means complete. We set up in accordance with ISO9002 international standards for product quality management system. Our  products quality in line with international standards, reputation in the users,China's Ministry of Information Industry and the optical, opto-electronics industry associations recommend Product.

Main Prouducts

Heat Absorbing Glass Characteristic

Type Thickness(mm) A[2856k] D65 ChemicalStability ND α×10-7 (/°C) Tg (°C) Ts(°C) S x y Y x y Y DA DW GRB1 3 0.439 0.412 91.7 0.307 0.330 90.8 3 2 1.510 59 587 656 2.54 GRB3 2 0.440 0.413 86.5 0.311 0.334 87.4 2 3 1.512 59 587 656 2.55

at Absorbing Glass  Technical Indexes Type Thickness(mm) 420(nm) 500(nm) 600(nm) 700(nm) 800(nm) 900(nm) 1000(nm) 1060(nm) 2200(nm) GRB1 3 ≥85.0     45.0~70.0     ≤4.0     GRB2 2 365≥83.7 ≥83.7 ≥80.0 ≤61.9 ≤30.0 ≤9.1   ≤1.8   GRB3 2 365≥81.9 ≥81.0 ≥76.4 ≤50.6 ≤12.9 ≤2.8   ≤0.1 ≤0.9

Class Of Bubble Stripe Stress

Type Bubble Strip Stress GRB1 C 3C 4 GRB3 D-C 3C 4

High-qualityof Heat Absorbing Glass -GRB1 GRB2 GRB3