The "A" Sticky Stuff Dispenser is available in ratios from 1% to 1:1 and has a maximum viscosity of 7000 centipoise. It will pump will accurately dispense up to 1qt of unmixed two part resin per minute. This is a manually operated, precise piston type pump. The cleanest way to handle small batches of resin; much faster than calculating, weighing and pouring. Ratios are infinitely adjustable within range, different ranges are available by changing the piston sizes.