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Radar panels are an economical, all purpose ceiling pattern available in various panel sizes. They are a Fire rated product designed to meet life safety codes. This product utilizes a ground wet-felted basemat consisting of perlite, mineral wool, paper fiber and starch with varying levels of clay. The products do differ in thickness, density and coating levels with each product specifically designed to achieve the required target acoustical properties in terms of its NRC and CAC values. Additional information regarding Radar products can be found at usg.com.These products generally fall under ASTM E1264 Section 5.2 designation as Type III Mineral base with painted finish. The modifications typically involve modifications to the thickness, density, basemat composition and or coating package.