Base Tint Normal papers have a neutral white base tint. However some papers offer other base tints such as off-white or ivory. Double Double weight is the thickest base available. It is best weight to use for larger prints. Single Single weight is less expensive than double weight but can be easily damaged during processing.
Some papers call their single weight lightweight.
It has the same characteristics as single weight paper. Medium Most resin coated papers are medium weight. Approximately the same density and thickness as double weight. Normal grade is considered to be 2. Variable Variable contrast papers use one paper type to create a variety of tonal scales.