Shenzhen Vinco Soundproofing Materials Co.,Ltd is one of the best custom foam manufacturers and suppliers in China, welcome to wholesale our customized custom foam made in UK, and also welcome to check the price with us.Special custom acoustic spongeProduct Introduction:The special custom acoustic sponge With Eco-friendly sponge foam as raw material,can processing the special shape as your demand by the equipment ,to improve and develop the acoustic characteristics. Can effectively reduce the standing wave and flutter echoes, and low frequency absorption. Not only have good sound-absorbing properties, but also no harm to human.Specification:Product nameSpecial custom acoustic spongeMaterialPolyurethane Foam spongeSizeCustomized as your demandNRCGood sound Absorbing and acoustic treatmentColorBlack,white and other colors can be customizedshapeWedge,wave,pyramid,plaid,flat,mushroom head style(can be made as your demand)Density15/25/35kgs/m3(can......url:http://www.goodsoundproof.com