Minimum Specifications.docx

Minimum Specifications Cyclic Corrosion Chamber Cyclic Corrosion Chamber

· Ability to run the following standardized cyclic tests:

· SAE J2334 – Laboratory Cyclic Corrosion Test

· Humid Stage: 122˚F and 100% humidity, 6 hr duration

· Salt Application Stage: 15 min duration at ambient conditions

· Collection rate of water fog should be .046 to .092 in3/hr

· Dry Stage: 140˚F and 50% RH, 17 hrs and 45 min in duration

· GMW 14872 – GM Worldwide Cyclic Corrosion Laboratory Test

· Ambient Stage

· Hold temperature at 77 ± 1.7˚F

· Humidity: 45 ± 10% Relative Humidity (RH)

· Duration: 8 hrs per cycle

· Humid stage (ramp up within 1 hr and maintain for 7 hrs)

· Hold temperature at 120 ± 1˚F

· Humidity: ~100% RH

· Duration: 8 hrs per cycle

· Dry Off Stage (ramp up within 3 hrs and maintain for 5 hrs)

· Hold temperature at 140 ± 1˚F

· Humidity: ≤30% RH

· Duration: 8 hrs per cycle

· ASTM B117 – Standard Practice for Operating Salt Spray (Fog) Apparatus

· Conditions in Chamber

· Hold temperature at 95 ± 1˚F

· Atomization and quantity of fog should be such that for 12.4 in2 of horizontal collecting area, .061 to .122 in3 of salt fog solution can be collected per hour, based on an average cycle of 16 hrs.

· ASTM G85, Annex 5 – Standard Practice for Modified Salt Spray (Fog) Testing, Dilute Electrolyte Cyclic Fog Test

· Conditions in Chamber

· Atomization and quantity of fog should be such that for 12.4 in2 of horizontal collecting area, .061 to .122 in3 of salt fog solution can be collected per hour, based on an average cycle of 16 hrs.

· Dry-Off Temperature held at 95 ± 1˚F for 3/4th hrs when switch from fog stage to dry-off stage.

· Test Chamber Volume: equal to or greater than 30 ft3

· Specimen Max Load Capacity for total chamber: ≥ 1200 lbs

· Inlet Water pressure: 9-56 psi

· Compressed Air pressure: 60-150 psi

· Footprint no greater than 125” L x 50” W x 96” H

· Electrical Requirements: 240V, 3 phase, high-leg delta

· Simple user interface, programming, and operation

· Self-diagnostics

· Safety shut down

· Internal salt solution reservoir ≥ 31.7 gal

· Monitoring window and light

· Fog collection containers

· Internal heaters

· Fully user serviceable Panel Holder

· Compatible with cyclic corrosion chamber

· Made from non-corrosive material

· Made from non-conductive material

· Holds test specimen panels inside chamber Hanging Rods

· Compatible with cyclic corrosion chamber

· Made from non-corrosive material

· Made from non-conductive material

· Holds test specimens inside chamber by hanging (e.g. metal testing coupon) Fog Collection Kit

· Compatible with cyclic corrosion chamber

· Made from non-corrosive material

· Made from non-conductive material

· Collects and stores condensate from chamber

Shipping Tracking Information The contractor shall provide the Government technical point of contract (TPOC) with tracking information NLT one day after shipping the chamber.

FOB

The contractor shall provide Free on Board shipping to the destination Destination Naval Surface Warfare Center Carderock Division, West Bethesda, MD 201817 Delivery The chamber shall be provided 30 days ADC.