WD-SJ301 is a silica-calcium-alkali type sintering flux with an alkalinity of about 1.0. It has the appearance of gray spherical particles of 10-60 mesh (2.0-0.28mm).

WD-SJ105 is a fluoro-alkali type sintering flux with an alkalinity of about 3.2. It has the appearance of gray-black spherical particles of 10-60 mesh (2.0-0.28mm).

WD-SJ8600 is an aluminum-alkali type sintering flux with an alkalinity of about 1.2. It has the appearance of gray spherical particles of 10-60 mesh (2.0-0.28mm).

WD-SJ38 is an aluminum-titanium type sintered flux with alkalinity of 0.7 and appearance of gray-black spherical particles of 10-60 mesh (2.0-0.28mm).