Our client is concerned about the use of cadmium chromate in red dyes. What are the environmental concerns associated with cadmium chromate? Is it found in most reds today, or more of a concern in reds past?

www.interiordesign.net | Jun 27, 2006

Your client's concern is justified but the dangers are largely avoidable. Cadmium has been identified by EPA as one of the 31 Priority Chemicals found in products and wastes and targeted to be eliminated or substantially reduced in use.

http://www.interiordesign.net/article/CA6345644.html?industryid=48741

Safe welding practices

www.plantengineering.com | Apr 1, 2002

Arc welding is safe when sufficient measures are taken to protect the welder from potential hazards. When these measures are overlooked or ignored, welders can encounter such dangers as: electric shock, overexposure to radiation, fumes and gases, fire, or explosion, any of which can result in fatal

http://www.plantengineering.com/article/CA204565.html?q=welding&q=welding

Brazing & Soldering Industry News | Lucas Milhaupt

www.lucas-milhaupt.com

Sil-Fos® is the original copper Phos brazing alloy MILWAUKEE, WI (June 15, 2006)—Lucas-Milhaupt, Inc., a Handy & Harman Company, is celebrating the 75th anniversary of Sil-Fos®. Developed and patented by Handy & Harman in 1931.

http://www.lucas-milhaupt.com/htmdocs/lucas_milhaupt_news/index.php?newsid=22

Welding fume health hazards

According to the National Institute for Occupational Safety and Health (NIOSH), more than 400,000 U.S. men and women are employed in welding and related occupations. Some studies suggest that these workers are at risk of serious respiratory, neurological, and reproductive effects.

http://www.thefabricator.com/Safety/Safety_Article.cfm?ID=851

Bullion, Coins, Jewelry Supplies at C.C. Silver & Gold

GOLD & SILVERSMITHING SUPPLIES: (partial list) Sterling .925 Wire Sterling .925 Sheet Silver Solders Clean Scrap .925 Silver 14K Gold Wire 14K Gold Sheet Repair Solder for 14K PURE .9999 & .999 FINE SILVER WIRE PURE .999 Gold Wire

http://www.ccsilver.com/

Color White White White Melting Point (Solidus) 430ºF (221ºC) 430ºF (221ºC) 430ºF (221ºC)...

www.lucas-milhaupt.com

Color White White White Melting Point (Solidus) 430ºF (221ºC) 430ºF (221ºC) 430ºF (221ºC) Flow Point (Liquidus) 430ºF (221ºC) 473ºF (245ºC) 536ºF (280ºC) Specific Gravity 7.4 7.44 7.47 Density (troy oz/cu in) 3.89 3.92 3.94 Electrical Conductivity 14% IACS 12.6% IACS N/A

http://www.lucas-milhaupt.com/assets/brazing_products/technical_data_sheets/Tin_silver_solder.pdf

CCBDA Publication 28 Section 2 - Joining

It should also be noted that Canadian codes prohibit the use of solders containing more than 0.2% lead in potable water systems. There is a wide variety of solders available which can be used in place of the once standard 50% tin-50% lead solder, commonly called 50-50.

http://www.ccbda.org/publications/pub28E/28e-Section2.html

SteeLog a Metallurgical Dictionary - Letter S - All Metals & Forge

www.steelforge.com

All Metals & Forge provides a metallurgical dictionary called SteeLog. This page discusses metals and metalworking industry terms beginning with the letter S.

http://www.steelforge.com/steellogs.htm?letter=S