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The Environmental Testing Capabilities
The Environmental Testing Laboratory supports testing of materials under an array of  environmental conditions.  Specimens can be tested under accelerated regimes of ultraviolet (UV) exposure, condensation, and water spray.  They are also routinely subjected to repeated freeze-thaw cycles.
 
Accelerated Weather Testers

Accelerated Weather Testing Machine

Accelerated Weathering Testers (2) - QUV;  programmable cycles of UV exposure, condensation, water spray, thermal shock and  irradiance control; capacity of 48 test specimens; maximum specimen size of 12" x 24".

 

 
Walk-In Freezer

Walk-In Freezer

Freezer - Harford Duracool 100 ft2 Walk-in: -20 F to 0 F.

 

 
Horizontal/Vertical Flame Chamber

Horizontal Flame Chamber

Horizontal/Vertical Flame Chamber -  Atlas Model HVUL; capable of testing specimens up to 24" long x 24" wide; used for flammability testing of plastic and composite materials.

 

 
Hot Baths

Hot Bath Machine

Hot Baths - Temperature-controlled  immersion of composites in water or other chemical reagents is performed to determine rates of  material degradation.

 
Temperature/Humidity Environmental Chamber

Temperature/Humidity Environmental Chamber

Temperature/Humidity Environmental Chamber - ESPEC Chamber: Model ESL 3CA, -35C to 150C, 10-98% RH.

 
Walk-in Temperature/Humidity Environmental Chamber

Walk-in Temperature/Humidity Environmental Chamber

Walk-in Temperature/Humidity Environmental Chamber - Bally Refrigerated Boxes, Inc.;
Small Chamber: 6'W x 8'H x 20'L; -30 C to 70 C; 20% to 80% Relative Humidity (RH); computer interface for monitoring and control.
Large Chamber: 12'W x 8'H x 25'L, -34 C to 70 C, 20% to 95% RH, primarily used to condition specimens at 21 C, 65% RH.

 
Ovens

Ovens

Ovens(4)
2 VWR Scientific ovens, 40C to 260C
- One 32" x 26.5" x 67"
- One 44" x 25" x 54" (Double Door Oven)
2 Despatch Ovens
- One 19" x 18" x 19", 25C - 260C
- One 23.75" x 20" x 24", 40C - 260C

 
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An ISO 17025 Accredited Laboratory
(207) 581-2123
composites@umit.maine.edu