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3oz Woods Metal aka Cerrobend Car Weights

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MSRP: $12.75
Price: $11.50
You Save: $1.25
[ 1 ] pcs In Stock
 
Backorders Accepted
 
Item Number: 9999-3
Manufacturer: Distributed by SBS4DCC.com
Manufacturer Part No: 9999-3
3oz Woods Metal aka Cerrobend
 
How To Use
 
Our Cerrobend is pre-packaged in a small zip-lock bag. 
 
To use, simply place the package in a pot of 200 °F water (not quite boiling) and allow it to soak until the metal liquifies.  Allow it to soak for a few additional minutes so that the core temperature is the same as the surface temperature.  You might even want to soak it in a second pot of freshly boiled 200 °F water. 
 
Alternatively, you can melt it in an oven preheated to 200 °F.  Thats how we pack it!  Just be sure to place it in a pan in case it leaks... mama would not be happy...
 
Then, working quickly, squeeze all of the material out of one corner and cut a small piece off to create a pouring spout.  Finally, position the package over the shell or form and squeeze the material out.  Then, simply allow the metal to cool to room temperature.
 
You can re-flow the material as required by boiling, baking or firing.  Use the technique best suited for your application.
 
About Cerrobend
 
Wood's metal, also known as Lipowitz's alloy or by the commercial names cerrobend, bendalloy, pewtalloy or MCP 158, is a eutectic, fusible alloy with a melting point of approximately 70 °C (158 °F). It is a eutectic alloy of 50% bismuth, 26.7% lead, 13.3% tin, and 10% cadmium by weight.  It is named after American physicist Robert W. Wood.
 
Wood's metal is commonly used as a filler when bending thin-walled metal tubes. For this use the tubing is filled with molten Wood's metal. After this filler solidifies the tubing is bent. The filler prevents the tube collapsing. The Wood's metal is then removed by heating, often by boiling in water.

Wood's metal has long been used by model railroad enthusiasts to add weight to locomotives, increasing traction, and the number of cars that can be pulled.

Wood's metal is toxic because it contains lead and cadmium, and therefore contact with the bare skin is thought to be harmful, especially in the molten state. Vapour from cadmium-containing alloys is also known to pose a danger to humans. Cadmium poisoning carries the risk of cancer, anosmia (loss of sense of smell), and damage to the liver, kidneys, nerves, bones, and respiratory system. The dust may form flammable mixtures with air.

This weight is ideal for use with N or HO scale to bring your locomotive and rolling stock up to the NMRA specs. There is no easier way to improve the performance a troublesome locomotive or car than to weight it properly. The NMRA recommends cars be weighted as follows:
 
SCALE INITIAL WEIGHT
(ounces)
+ ADDITIONAL WEIGHT
per inch of car body length
(Ounces)
O 5 + 1
0n3 1-1/2 + 3/4
S 2 + 1/2
Sn3 1 + 1/2
HO 1 + 1/2
HOn3 3/4 + 3/8
TT 3/4 + 3/8
N 1/2 + .15

 
 

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