... direction as strengthening core layer. Laminate with flame retardant adhesive rubber and cover rubber onto core ... Application: Coal mine underground and others which require flame retardant property Specification:Carcass type: Steel cordTensile strength ... , 1600, 1800, 2000, 2200, 2400Covering rubber grade: flame retardant, fire resistantCovering rubber thickness: as per standard or customizedEdge ...