Rudolph Bros optical silicone gels and elastomers

Date Announced: 14 Jan 2010

new transparesil optical materials from rudolph bros. & company.

optical grade gels, transparent silicone elastomers and hard optical resins with high purity that offer high transparency and mechanical strength.

Contact
Kevin Rudolph, CEO Rudolph Bros. & Company Box 425 Canal Winchester, Ohio 43110 614-833-0707 800-600-9508 Toll Free Fax Transparesil Optical Materials Silicones for Photovoltaic, LED and Specialty Applications Silicone Gels Optical grade gels provide exceptional clarity and stability for a variety of applications. Product QGel 900 QGel 910 QGel 920 QGel 901 QGel 902 Mix Ratio 1:1 1:1 1:1 1:1 1:1 Working Time 60 min 120 min 120 min 4 hrs 4 hrs Viscosity, cps 500 500 1500 550 8000 Refractive Index 1.43 1.46 1.49 1.52 1.55 %Transmittance, 10mm 92 92 90 95 95 Cure Condition *C/hrs. 25/24 25/24 25/24 70/4 70/4 Penetration 2-5 4-9 5-9 -- -- Hardness, Shore 00 -- -- -- 20 38 Silicone Elastomers Transparent silicone elastomers offer a combination of ultra high light transmittance and durability. They offer long term resistance to yellowing and delamination even with extended exposure to UV radiation and temperature extremes. Product QSil 216 QSil 220 QSil 224 QSil 226 QSil 227 Mix Ratio 10:1 10:1 10:1 10:1 1:1 Working Time 4 hrs 24 hrs 24 hrs 8 hrs 8 hrs Viscosity, cps 3,500 4,800 8,000 7,500 10,000 Refractive Index 1.40 1.40 1.43 1.46 1.52 %Transmittance, 10mm 92 92 95 92 90 Cure Condition *C/hrs. 25/24 150/1 25/24 70/4 70/4 Hardness, Shore A 40 29 46 38 40 Tensile Strength, psi 750 530 750 600 500 Elongation, % 100 170 100 100 100 Adhesion w/ primer yes w/primer w/ primer w/ primer Optically Clear Resins Quantum Silicones optical resins are hard casting silicones of high purity that offer high transparency and mechanical strength. These materials are excellent candidates for lens fabrication and as coatings for electronic assemblies exposed to environmental extremes. Product QSil 228 QSil 903 QSil 904 QSil 905 Mix Ratio 10:1 1:1 1:1 1:1 Working Time, hrs 2 8 8 8 Viscosity, cps 8,000 8,000 8,000 15,000 Refractive Index 1.40 1.46 1.52 1.54 %Transmittance, 10 mm 92 92 92 90 Cure Condition *C/hrs. 100/1 100/1 150/1 150/1 Hardness, Shore A 80 -- -- 85 Shore D -- 30 30 --

E-mail:krudolph@rudbro.com

Web Site:www.rudolphbros.com

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