... ,NRC=0.55,RH=95% 2, fire resistance Class A 3,CE ISO,SGS quality 4,OEM available acoustic mineral ... requirement)Packing and transportation1). standard export carton 2). transporting by container3). according to your request.Feature: MaterialWet Formed mineral ... (RH)>=90%Light reflectivity>=85%Fire Performancenon-combustible,reach class A according to EN13964:2004/A1:2006Moisture resistantconform to the ...