Low Temperature Salt
This is Quick Temper 275 manufactured by Hubbard-Hall. Quick Temper 275 is a eutectic mixture of nitrate and nitrite salts formulated for a specific range of operating temperatures. It can used as a tempering or quenching bath salt, and can be used for annealing brass.
$3.50/# in 25# and 50#
$4.00/# in 1#
Temperature range of 315F to 650F (157C to 343C)
Melting point of 275F (135C)
Density is 116#/cubic foot
Can only be shipped via ground to US Domestic addresses.
Make sure you fully understand safe working procedures before using.