Description
The Spruce Pine Batch “house” formula was designed by Dominic Labino specifically for use by studio glass artists. The Labino Formula is available in a variety of expansions and with or without decolorizer. The most popular version of the Labino Formula has a theoretical expansion of 87.3 x 10-7, with a measured expansion of 96-97 when melted. The annealing point is 482°C (900°F) and the softening point is 662°C (1224°F).
