A1/ A2/ A3/ A3.5/ A4 B1/ B2 /B3/ B4 C1/ C2 /C3/ C4 D2 /D3 /D4 SP-CLEAR/ CLEAR/ LIGHT/ MEDIUM/ DARK/ ORANGE Product Description Densply Ceramco 3 Porcelain powder for Metal Adaptation Scope: Densply Ceramco 3 Porcelain powder for Metal products can be used for silver or silver without the ordinary high melting point alloy productionsingle crown and multi-unit bridge fixed metal porcelain restoration Alloy Selection Densply Ceramco 3 Porcelain powder for Metal porcelain powder can be used with high gold content of precious metal alloy.As well as general base metal alloy compatible.But it is advisable to consult the alloy manufacturer on the composition and coefficient of thermal expansion of the alloy prior to operation.Ceramco 3 porcelain powder also has a good anti-silver deformation.But anyway, The daily cleaning of the porcelain stove is highly recommended by us. Notice Firing Note: 1)The firing result largely depend on the individual firing procedure. The location of the temperature sensor, operating voltages of furnace,the firing trays as well as the size of the workpiece during the firing cycle. Our recommendation of the firing temperature is based on the numerous tests. The information is a reference guideline. The firing parameter should be adjusted accordingly.It is essential to test firing before production 2)Pls refer to the “Instruction for use” for details information