Different Shape of Soundproof Sponge Panels Acoustics Sponge

Product Name: Different Shape of Soundproof Sponge Panels Acoustics Sponge Model NO.: DRSPS Color: White Certification: ISO Edge: Square Surface Finishing: Melamine Fireproof Grade: B1 Eco-Friendly: E0 Wool Acoustic Panel Type: Melamine Sponge Acoustic Panel Type: Acoustic Foam Panels Type: Acoustic Panels Material: Melamine Sponge Size: as Per Your Request Density: 12-24kg OEM/ODM: Yes Delivery Time: based on Your Quantity Trademark: Derun Transport Package: Box and Carton Specification: 50*50*3.5cm Origin: China Product Description Product Capability:1.Sound AbsorptionThe structurer of three dimensional mesh with hold completely openden(the hole rate is above 97% with a melamine foam density of 7kg/cbm) can make the sound wave easy go into deep foam efficiently and transfer into mesh vibration which can be consumed and absorbed. Three dimensional mesh structure of high hole rate can eliminate reflected wave efficiently.2.Flame ResistanceIt can reach the grades of GB/T8624-2012 B, DIN5510 S4, B56853 and UL94V-0 without adding any flame-retardant media. When it meets fire, it can be decomprosed and carbonized but not dropping. Its smoke density is less than 15. It is recommend as No.1 Flame-retardent material in the public place on the book of "Fire Safety and Flame Resistant Technology in the pulic place" which is mainly edited by China Public Security Department.Sound Aborsption TestFlame Retardant Test