Technical Bulletins (TDs)

PPG Architectural Glass Technical Bulletins

Access PPG’s Technical Library to search for technical documents such as the ones listed below.

TD-101 Gas Space Convection Effects on U-Values in Insulating Glass Units
This document discusses how U-value changes as air/gas space thickness changes in an insulating unit, and the effects of different gas types on IG unit insulating value.

TD-102 Outdoor Condensation on Glass

A discussion of why condensation sometimes occurs on outdoor glass surfaces.

TD-103 Capillary Breather Tubes in Insulating Glass Units
A discussion of the use of breather tubes in insulating glass units.

TD-104 Coatings on PPG Starphire® Glass
A discussion of coatings on PPG Starphire Glass, and how to identify which surface of the glass was exposed to the tin bath during glass making.

TD-105 How to Prevent Glass Corrosion
This document discusses the chemical mechanisms causing glass corrosion and the conditions under which it can exist, interleaving systems and the restoration of lightly corroded glass.

TD-106 Glass Reactivity and its Potential Impact on Coating Processes
Discussion of glass corrosion in glass racks and cases, damaging effects of glass fines, hard water silicates and their effect on glass coating operations.

TD-107 Residue on Glass
A discussion of how residues may deposit on exterior glass surfaces, and methods of removal.

TD-108 Sungate® 500 Coated Glass - Design Considerations
Discussion of potential design issues, including inherent color variation and use in monolithic applications.

TD-109 Thermal Stress Update
Discussion of thermal stress issues with glass, includes a procedure for doing a thermal stress analysis with resulting glass recommendations.

TD-110 Glass Breakage Analysis I
A brief discussion of thermal stress and mechanical stress glass breakage.

TD-111 Glass Breakage Analysis II
A brief discussion of analysis of glass break origins, mirror radius, and glass breaking stress.

TD-112 Handling Do’s and Don’ts to Reduce Glass Breakage
A discussion of things to do and not do when storing and fabricating glass.

TD-113 Why Annealed, Heat Strengthened and Tempered Glass All Deflect the Same Amount
A discussion of the stiffness of glass and the deflection characteristics of annealed, heat strengthened, and tempered glass.

TD-114 Recommendations for Fully Tempered Interior Butt-Glazed Fixed Glass Panels
Design recommendations for fully tempered butt-glazed fixed glass panels. Size, height, and deflection guidelines.

TD-115 Strain Pattern in Tempered and Heat Strengthened Glass
A discussion of visual strain patterns in tempered and heat-strengthened glass, including how and why they occur.
TD-116 Observation Room Windows
A discussion of lighting levels and glass selection for observation room windows.

TD-117 Cutting Wheel Selection for Conventional Glass Cutting
Offers information on selecting cutting wheel size and edge angle combinations to help achieve better edge cut quality in conventional glass cutting operations.

TD-118 Interference Fringes In Insulating Glass Units
A discussion and explanation of the phenomenon of interference fringes in insulating glass units.

TD-119 Guidelines for Glass Edge Cut Quality
A review of glass cut edge quality characteristics, and their effect on glass strength.

TD-120 Flat Glass Trade Thicknesses and Weights
Table of thicknesses and thickness ranges and corresponding weights for flat glass.

TD-121 Center of Glass U-Values for Double and Triple Glazed Insulating Glass Units with Solarban® 60 Low-E Glass with 100% Air, Argon, or Krypton, or Mixtures of These Gases
A discussion of how U-values vary in double glazed and triple glazed insulating glass units using Solarban 60 Solar Control low-e glass.

TD-122 Surface Orientation of Low Light Transmittance Glasses
Discusses the importance of consistent surface orientation when fabricating and glazing low light transmittance glasses, such as Graylite 14 and Optigray 23.

TD-123 Turtle Glass
Discusses the marine turtle protection ordinance and glass products that meet the requirements of the ordinance.

TD-124 Fabrication of Heat Treated Glass
PPG’s recommendations concerning further fabrication of heat strengthened and tempered glass.

TD-125 Sandblasting of Tempered Glass
Discussion of the effect of sandblasting on tempered glass. Includes PPG recommendation that sandblasting be done before tempering.

TD-126 Argonomics
Discussion of the benefits of using Argon in insulating glass units. Describes the importance of good unit design and workmanship in retaining the argon in the unit.

TD-127 V-Grooving
Discusses strength of V-grooved glass, compares glass that is tempered then grooved vs. glass that is grooved then tempered.

TD-128 Laminated Glass-Thermal and Optical Properties
Offers performance tables for selected laminated PPG glass products.

TD-129: Temporary Protective Overcoat
Discusses the proper handling, washing and disposal of the TPO overcoat. Presents Health & Safety Issues and Environmental Practices. Offers graphs pertaining to % by weight of TPO dissolved in rinse tank and detergent tank.

TD-130 Insulating Glass U-Values In Sloped Glazing Applications
Outlines how U-values change as the slope of the glazing system changes.

TD-131 Design Conditions with Low-E Coated Glass
Discusses the need to evaluate the effect of building materials on each other.

TD-132 The Difference Between Structural Silicone Glazing and Butt Joint Glazing
Discusses the difference between Structural Silicone Glazing and Butt Joint Glazing.

TD-133 Condensation on Indoor Glass Surface
Discusses the factors that influence the formation of condensation on the indoor glass surface. References test methods to determine the AAMA CRF and NFRC CR. Includes graphs to assist in preliminary product selection.

TD-134 Designing Glass to Resist Wind and Snow Loads
Describes ASTM E1300-02 procedures for determining the load resistance of glass under uniform lateral wind and snow loads. Presents a detailed example. Also, references available software based on ASTM E1300-02.

TD-135 Glass Acoustical Performance
Discusses the acoustical properties of glass, methods of rating, applicable standards and the relationship between glass and other glazing components in determining an overall rating.

TD-136 Recycled Glass Use
An explanation of PPG’s use of recycled glass.

TD-137 Glass, Solar Radiation and Their Effects on Vinyl Cladding Materials
Brief background of subject with a link to the published article.

TD-138 Heat Treated Glass for Architectural Glazing
Discussion of the appropriate use of heat strengthened and tempered glass, including the occurrence of spontaneous breakage. Discusses the use of heat soaking of tempered glass and offers PPG’s recommendations.

TD-139 Field Application of Materials to Glass
Reaffirmation of PPG policy regarding the field application of materials to glass.
TD-140 Large Insulating Glass Units
Discusses issues and design consider-ations related to the fabrication, installation and performance of large insulating glass units.
TD-141 Edge Deletion of PPGCoated Glass
A discussion of PPG’s recommendations concerning the edge deletion of PPG’s MSVD low-e coated glass. The document discusses PPG’s non-deletion policy requirements and the environment of Health and Safety.
TD-142 Glass Cleaning Recommendations
Recommended cleaning practices for PPG glass products, including Solarcool coated glass.

TD-143 Laminated Glass - Thermal and Optical Properties
Contains information  provided as PPG’s response to customer requests for Ingredient Disclosure; Compliance with the European Union, (EU) Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment, (RoHS) Directive; and product / material Safety Data Sheets, (SDS) concerning PPG Flat Glass Products as produced by PPG.
TD-144 Recommended Techniques for Washing Glass
Discusses procedures and recommendations for cleaning glass using machine washing techniques and different types of glass contamination and remedies.
TD-145 Spandrel Glass – Types and Recommendations
Discusses alternatives for glass spandrels, including monolithic, insulating glass unit, and shadow box types. Includes descriptions of the three basic types, sketches, and a discussion of potential issues with the shadow box concept.
TD-146 Approved Sealants for use with PPG Coated glass products in non-deleted applications
A list of approved Sealants that can be used with non-deleted MSVD coated glass. This only applies to IG assemblies for non-Commercial use.
TD-147 Compatible Gloves for use with PPG’s MSVDSungate and Solarban Coated Glass Products
A list of compatible gloves for use while handling MSVD coated glass products.
TD-148 Reducing Fading Caused By Solar Radiation Exposure
Describes different measures of fading potential and explains why the traditional focus on UV transmittance may not be the best indicator of protection against interior solar damage.
TD-149 Acceptable Cutting Fluids and Detergents for use with PPG’s MSVD Sungate and Solarban Coated Glass Products
A list of acceptable cutting fluids and detergents for use while fabricating MSVD coated glass products.
TD-151 Radio and Microwave Attenuation in Glass
This document describes the best window constructions using silver based, low-E coatings for blocking certain radio frequencies and ways to avoid the blocking characteristics when these low-E’s are desired for thermal performance, but security of airwave transmission in not a concern.  Testing results are displayed showing the attenuation performance of various window constructions as well as the thermal performance of each.