Spectra Plast manufacturers are reliable and cost-efficient Slat Chain Conveyor Manufacturers. Spectra Plast manufactures highly innovative components that are aimed at the automation industry with our smart and sustainable solutions. SS Slat Chain or crate conveyor chains are mainly used in areas where products are conveyed in trays, crates, or containers. A slat conveyor comprises one or more endless chains to which non-overlapping, non-interlocking, spaced slats are attached. A Slat Conveyor comprises one or more endless chains to which non-overlapping, non-interlocking, spaced slats are attached