ASTM C423 — Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
0.95 NRC Rated- Absorptive Panels
ASTM E90 — Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
33 STC Rated- Absorptive Panels
32 STC Rated- Reflective Panels
ASTM D790 — Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
Flexural Strength ≥ 70 MPa
Modulus of Elasticity ≥ 33GPa
ASTM D4226 — Standard Test Methods for Impact Resistance of Rigid Poly (Vinyl Chloride) (PVC) Building Products
Impact Resistance of Rigid PVC Building Products Results = Mean Failure energy after 2000 hours of accelerated weathering ≥ 80% of initial value.