Gulf States Manufacturers
...the same conditions of time and temperature. The lower the “C” value, the better the insulation value. CALCULATED “U” VALUES – Theoretical thermal transmittance “U” values are obtained by taking the reciprocal of the sum of the “R” values. This method does not take into account the compression... See #2.
Energy Efficient Window Treatments by Nanik Window Fashions
...type of window treatment you want in your home … and energy conservation is a major factor in your decision … you may be overwhelmed by terms like R-value, shading coefficient, UV transmittance and more. Here’s what they all mean: R-Value rates the effectiveness of a window covering at preventing energy from flowing to the outside. The higher... See #3.
LX-57B - Description
...X-ray shielding lead glass from Amerope is made of high quality optical grade material, offers excellent radiation protection and superb visual clarity. It offers high light transmittance and does not discolor due to radiation. The hard, polished surfaces have greater scratch resistance. Amerope LX-57B Products Saf-T-Lite Radiation Protector™... See #4.
PLEXIGLAS® GS Black&White 7H25
...XT PLEXIGLAS HEATSTOP® PLEXIGLAS SUNACTIVE® PLEXIGLAS® MULTICOLOR PLEXIGLAS® Fluorescent PLEXIGLAS® GS 1002 PLEXIGLAS® GS Black&White 7H25 * tau = light transmission, i.e. transmittance t D65 in percent according to DIN 5036 (typical value for 3 mm thickness) PLEXIGLAS® GS Black&White 7H25 The color with the black + white effect (white... See #5.
Gigahertz Optik - Light Measurement Solutions
...Lamp DKD Calibration (Irradiance) KLW-S1-xx - Lamp Factory Calibration (Irradiance) KLW-S3-xx - Lamp Factory Calibration (Radiance) KRW-S1-xx - Reflectance Calibration KTW-S1-xx - Transmittance Calibration - 350 to 1100 nm KTW-S2-01 - Transmittance Calibration - 250 to 1100 nm KF-xx - Other Manufacturers Light Detector Calibration K-FOV-01 -... See #6.
CrystaLite Inc. | and more...
...the channels - CrystaLite’s breathable end-tape should be used to close the open ends of the channels. High Light Transmission Multi-wall sheets offer a high degree of light transmittance while blocking harmful ultra violet rays. In its structured sheet form, polycarbonate sheets also offer excellent thermal insulation properties. Virtually... See #7.
Steel Door Institute Technical Data Series
...a requirement for galvanized doors and frames is specified. Hard Copy Price: $5.00 Free Download Available SDI-113-01 Standard Practice for Determining the Steady State Thermal Transmittance of Steel Door and Frame Assemblies This document establishes a minimum standard and a method of test for thermal effectiveness of steel door and frame... See #8.
NFRC - Frequently Asked Questions
Is NFRC working on any additional energy performance ratings? Yes. Right now, fenestration manufacturers can rate the U-Factor, solar heat gain coefficient (SHGC), visible transmittance (VT), air leakage (AL), and condensation resistance (CR) of their products through the NFRC system. The Council has also developed rating and labeling... See #9.
Sapphire
...Dynamics, LLC Resource Development Experts. Sapphire: Sapphire is the best material for highly sophisticated optical applications that require a wide range of light transmittance. Sapphire transmits light over a broad wavelength range spanning from 0.15 to 5 microns. from the vacuum ultra violet to the infrared spectrum. It is... See #10.
Thermo-Press / Norvell Awning Company
Technical Data Tested at a 15 mph Wind Single Glazed Prime Window Only Single Glazed Prime Window with Thermo-Press Condensation Resistance Factor 23 78 Thermal Transmittance Due to Conduction.96.45 Thermal Transmittance Due to Infiltration 30 0.01 Effective U 1.11.455 Electrical Testing Laboratories Report No.. 443276 Results... See #11.
Acrylic
Acrylic White Translucent Good light transmittance with low heat and ultraviolet transmittance. Not Transparent Bronze or Gray Transparent Visual transparency with reduced light transmittance, reduced heat transmittance and reduced glare with only subtle bronze or gray color shift. Clear Colorless Maximum light transmittance, ... See #12.
National Glass Association - All About Glass
Depending upon its thickness, clear glass allows about 75 to 92 percent of the visible light to pass through. This characteristic of glass is called its light transmittance. The specifications written by the American Society for Testing Materials (ASTM) separates tinted and heat absorbing glass into two categories. This is... See #13.
Superseal Vinyl Windows And Doors
If keeping the sounds of a busy street or noisy neighborhood from invading a home or office is a concern, then the 1200’s high rating for sound transmittance, makes this unit the right choice again. SERIES 1200 SH Colors: White Beige Custom Color Solutions - Custom Window Colors: Choose from an assortment of... See #14.
American Fiber Cement Corporation
SlateScape is harmonically dead and resists the transmittance of any static discharge through the sheet. Therefore, electronic equipment placed on SlateScape is safer from electric shorts than on other competitive tops. SlateScape has an excellent fire hazard classification and exceptional thermal shock resistance. See #15.
Thermal transmittance value (U-factor) and Astec Ceramic Coatings
What is the thermal transmittance value (U-factor) and how does it apply to Astec elastomeric and ceramic coatings and membranes. See #16.
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