friction factor 0 57 sbr rubber granules

{"cid":"91220086","title":"High Friction Factor 0.57 SBR Rubber Granules with Customizable Sizes 0.5-4mm and Waterproof Properties for Playgrounds","imgUrl":"https:\/\/img.ismap.com\/nimg\/73\/ec\/d1d8a2dd2d1de7e4bbd39c4d6d5d-200x200-1.jpg","attrs":{"Minimum Order Quantity":"100","Shock Absorption":">53%","Friction Factor":"0.57","Vertical Deformation":"2.3mm","Material":"Rubber","Granule Size":"0.5-2mm\/1-3mm\/2-4mm\/customized","Package Weight":"25kg\/Barrel","Color":"Black or Earthy Yellow","Environmental Level":"E0","Durability":"Over Ten Years","Function":"Waterproof, Soundproof","Production Capacity":"50000 Tons\/Year","Usage":"Outdoor","Recycled Material":"Shoe Materials or Black Tires","Features":"Eco-Friendly,Fast Drainage,Weatherproof,Anti-Spike","Model NO.":"SBR"}}