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Section 12303

D9.1-00 ..................................Sheet Metal Welding Code DIOA-86 (R2000) ..................Welding Austenitic Chromium-Nickel Stainless Steel Piping and Tubing

PART 2 - PRODUCTS

    • 2.1

      MATERIALS

      • A.

        Plastic Laminate: NEMA LD 3.

        • 1.

          Concealed backing sheet Type BKL.

        • 2.

          Decorative surfaces:

      • E.

        Particleboard: NPA A208.1, Grade 2-M-2.

      • F.

        Plywood: PS 1, Exterior type, veneer grade AC not less than five ply construction.

      • H.

        Hardboard: AHA A135A, Type I, tempered, fire retardant treated, smooth surface one side.

    • 1.

      Adhesive

        • 1.

          For plastic laminate FS A-A-1936.

        • 2.

          For wood products: ASTM D4690, unextended urea resin or unextended melamine resin, phenol resin, or resorcinol resin.

        • 3.

          For Field Joints:

          • a.

            Epoxy type, resistant to chemicals as specified for plastic laminate laboratory surfaces.

          • b.

            Fungi resistant: ASTM G-21, rating of O.

    • 2.1

      0 COUNTERTOPS

      • A.

        Fabricate in largest sections practicable.

      • B.

        Fabricate with joints flush on top surface.

      • C.

        Fabricate countertops to overhang front of cabinets and end of assemblies 25 mm (one inch) except where against walls or cabinets.

      • D.

        Provide 1 mm (0.039 inch) thick metal plate connectors or fastening devices (except epoxy resin tops).

      • E.

        Join edges in a chemical resistant waterproof cement or epoxy cement, except weld metal tops.

      • F.

        Fabricate with end splashes where against walls or cabinets. 3

Section 12303

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