Specification

This report contains seven (7) pages. Any additions to, alterations of, or unauthorized
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USG Corporate Innovation Center, 700 N. Highway 45, Libertyville, IL 60048
Page 2 of 7
1. TITLE
ASTM C423-17 Sound Absorption and Sound Absorption Coefficients by the
Reverberation Method testing of KINA Acoustical Panels.
2. OBJECTIVE
To determine the Noise Reduction Coefficient (NRC) and the frequency specific
Sound Absorption Coefficients of KINA red low density wall panels.
3. TESTED FOR
Knauf Insulation North America
1 Knauf Drive
Shelbyville, IN 46176
4. TESTING ORGANIZATION
USG Testing Services
USG CORPORATION
Corporate Innovation Center
700 N US Highway 45
Libertyville, IL 60048-1268
5. TESTING PERSONNEL
Laboratory Manager: James Ullett
Test Conducted By: Austin Phillips
6. REFERENCE STANDARDS
ASTM C423-17 Standard Test Method for Sound Absorption and Sound Absorption
Coefficients by the Reverberation Method.
ASTM E795-16 Standard Practice for Mounting Test Specimens During Sound
Absorption Tests.
7. CALIBRATED TEST EQUIPMENT
Microphone: Bruel & Kjaer Type 4942 C 1 SN: 2741255