wall construction 1lb mass loaded vinyl

{"cid":"91225268","title":"Black Soundproofing MLV Noise Control MLV Sound Barrier Waterproof","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/d2\/47aa51be0be5d9f87b4d90f25ff5-200x200-1.jpg","attrs":{"Price":"8$","Brand Name":"MJ MASTER ACOUSTIC","Minimum Order Quantity":"100 Square Meter","Delivery Time":"31days","Certification":"A+,FSC,ETC","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Supply Ability":"1000 pieces about 31days","Packaging Details":"Carton","Name":"Soundproofing MLV","Thickness":"1 mm \/ 2 mm \/ 3 mm \/ 5 mm","Density (Weight)":"2 kg\/m\u00b2 \/ 3 kg\/m\u00b2 \/ 5 kg\/m\u00b2","Width":"1 m \/ 1.2 m \/ Custom","Length":"5 m \/ 10 m \/ Custom","Color":"Black (standard)","Sound Transmission Loss (STL)":"20\u201332 dB","Roll Width":"1 m \/ 1.2 m \/ Custom","Roll Length":"5 m \/ 10 m \/ Custom"}}

{"cid":"91224093","title":"Economical Hollow Block Molds | Cost-Effective Molds for Daily Production","imgUrl":"https:\/\/img.chinax.com\/nimg\/a6\/6b\/7ac192d1f72ebc14e2840ded017d-200x200-1.jpg","attrs":{"Price":"USD 6500-10000\/Set","Brand Name":"TURUI","Model Number":"TR1","Minimum Order Quantity":"1Set","Delivery Time":"15 Work Days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T,","Supply Ability":"50 Sets per Month","Packaging Details":"Wooden Case (Fumigation-Free)","Packing":"Wooden Case","Suitable For":"Driveways, Walkways, Patios","Usage":"Used for making concrete paving blocks","Compatibility":"Suitable for manual or machine casting","Dimensions":"Varies by designa","Productname":"Paving Block Moulds","Surfacefinish":"Smooth or textured","Mouldtype":"Single cavity or multi-cavity","Durability":"High impact resistance and weatherproof","Reusable":"Yes, can be reused multiple times","Customization":"Available on request for size and design"}}