2.0 MATERIAL DETAILS

Drum construction must comply with Title 49, Code of Federal Regulations (49 CFR), ¶ 178.504 (latest edition) for steel drums, and the following minimum requirements. Manufacturer shall document appropriate quality control on incoming raw material. No significant changes to the manufacturing process or raw material is allowed without prior approval of the Company. Steel thickness dimensions/tolerances in conformance with APPENDIX TABLE, per Appendix A-2.

2.1    Drum Body:

Stainless steel, Type 304-2B, A-240, or equivalent. Top of body rolled to form ½ inch false wire--see Appendix A-2 for steel size for stated drum capacity.

2.2    Drum Head:

Stainless steel, Type 304-2B, A-240, or equivalent; see Appendix A-2 for steel size.

2.3    Drum Bottom:

Stainless steel, Type 304-2B, A-240, or equivalent; same steel as drum body.

2.4    Body Seams:

Welded (on-line, continuous welder).

2.5    Chimes:

Mechanically seamed; bottom chime triple or double seamed to meet UN tests.

2.6    Rolling Hoops:

Three (3) each separate rolling hoops formed into the drum body, with one not more than three (3) inches from top drum curl for 55 gallon capacity and larger. Two (2) rolling hoops for under 55 gallon capacity--see Appendix A-2. Rolling hoops to be in accordance with ANSI MH2-1997 Standards.

2.7    Cover/Bung:

For the 55 gallon drum, a 3/4 inch Tri-Sure bung fitting (stainless) is required in the drum head (cover).

2.8    Gasket:

Closed-cell rubber, glued into lid--gasket material and size as necessary to meet UN performance tests. Gasket to have an operating range of -40 F to+158 F. Must be EPDM or approved equivalent.

2.9    Closure:

Twelve (12) gauge bolt type SS locking ring, welded lugs, one lug threaded, and stainless steel bolt. See Appendix A-2 for minimum required bolt sizes.

Manufacturer/supplier must furnish LMER, in writing, closure requirements, as performed for the UN design test; per 49 CFR, ¶178.2(c)(1).

2.10   Surface:

Stainless steel is polished (2B), and surfaces shall be free from oil/grease, etc.

2.11   Interior finish:

None; interior surface to be free from oil/grease, etc.

2.12   Exterior finish:

Polished -- 2B

2.13   Seaming Compound:

Bottom chime must be sealed with a seaming compound, and applied in conformance to standard manufacturing quality procedures, to insure no leakage/seepage.

2.14   Cleanliness:

Finished drums must be free of rust, dirt, oil, solvents, metal shavings, foreign contaminates, and interior moisture.