Physical Tests for Charaterization of Paints/Coatings
   
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Physical Tests for Charaterization of Paints/Coatings

 

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AZ Technology has a rich history in development of specialized paints and coatings, beginning with the Optical Properties Measurement (OPM) experiment designed by AZ Technology under the protoflight concept in partnership with NASA, flown aboard the Space Shuttle and used on the exterior of the Russian Mir Space Station. The OPM contained three instruments that measured how various material samples deteriorate in space. All three of the instruments worked by measuring optical properties of coatings and materials. A number of the coatings that AZ Technology developed and offers as part of its product line were tested on the OPM, and AZ Technology paints and coatings continue to be tested against the rigors of a space environment through the experiments on the Materials International Space Station Experiment (MISSE).

From these beginnings in space coatings / paints development and testing, the researchers at AZ went on to develop paints / coatings with exacting phyisical, optical and conductive properties for use in space, on spacecraft and satellites, and other harsh environments. Such development requires facilities and expertise in testing and characterizing the properties of paints and coatings. AZ Technology offers customers measurement and testing services. This includes characterization of the physical properties of paints (wet) and coatings (cured) as summarized below. In addition, we offer a variety of tests and measurements on the optical properties of paints, coatings and other materials .

Test
Standard
Description
Adhesion ASTM D3359 Standard Test Methods for Measuring Adhesion by Tape Test; method A,x-cut
Flexibility ASTM D522 Standard Test Methods for Mandrel Bend Test of Attached Organic Coatings. We use a GARDCO, Paul N. Gardner Company, Conical Mandrel bend test apparatus, model number MN-CM. Bends test coupon over mandrel with a diameter from 1.5 inches down to 1/8”. 
Impact resistance ASTM D2794 Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)
  ASTM D4226 Standard Test Methods for Impact Resistance of Rigid Poly(Vinyl Chloride) (PVC) Building Products
Electrical Resistivity or Conductivity ASTM D257 Standard Test Methods for DC Resistance or Conductance of Insulating Materials
Thickness Certified by NIST standards Includes Eddy current type measurements
Abrasion resistance ASTM D4060 Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser
Thermal shock   Our normal thermal shock test consists of 10 cycles, from 100 C to liquid nitrogen (LN2) [-196C], going straight from oven into the LN2, and straight from LN2 into oven at 100 C.  After thermal cycle is completed, we typically perform an x-cut adhesion test though other tests are possible. 
Viscosity ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
  ASTM D5293 Standard Test Method for Apparent Viscosity of Engine Oils Between -5 and -35°C Using the Cold-Cranking Simulator
  ASTM D4684 Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Engine Oils at Low Temperature
Density ISO 10012 (replaces MIL STD 45662A)  
 

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