H.P. White Laboratory Opens New Environmental Test Facility for Personal and Vehicular Arm... H.P. White Laboratory, Inc., the world's largest independent test laboratory for armor, today announces the opening of Cooper Main, a new Environmental Test Facility for personal and vehicular armor. The new laboratory houses four Environmental Conditioning Chambers capable of achieving temperature ranges from minus 75 degrees C to 150 degrees C, and humidity ranges from 10% to 98% for hard and soft armor samples up to 39.4"x35. » Read More...