D9.1-00 ..................................Sheet Metal Welding Code DIOA-86 (R2000) ..................Welding Austenitic Chromium-Nickel Stainless Steel Piping and Tubing
PART 2 - PRODUCTS
Plastic Laminate: NEMA LD 3.
Concealed backing sheet Type BKL.
Particleboard: NPA A208.1, Grade 2-M-2.
Plywood: PS 1, Exterior type, veneer grade AC not less than five ply construction.
Hardboard: AHA A135A, Type I, tempered, fire retardant treated, smooth surface one side.
For plastic laminate FS A-A-1936.
For wood products: ASTM D4690, unextended urea resin or unextended melamine resin, phenol resin, or resorcinol resin.
For Field Joints:
Epoxy type, resistant to chemicals as specified for plastic laminate laboratory surfaces.
Fungi resistant: ASTM G-21, rating of O.
Fabricate in largest sections practicable.
Fabricate with joints flush on top surface.
Fabricate countertops to overhang front of cabinets and end of assemblies 25 mm (one inch) except where against walls or cabinets.
Provide 1 mm (0.039 inch) thick metal plate connectors or fastening devices (except epoxy resin tops).
Join edges in a chemical resistant waterproof cement or epoxy cement, except weld metal tops.
Fabricate with end splashes where against walls or cabinets. 3