Mainly used in producing resin coated sands.Have good flow,fast cure, high strength,low content of free phenol,etc... Storage condition:Kept in dry,ventilated conditionsStorage time:6 months shelf life under 25 °C GradeAppearanceSofteningpoint(°C)cure(s)Pellet flow(mm)Free phenol(%)usageRD-103Little yellow88-9324-3360-902.0-3.5Fast cure/mould&coresRD-10491-9538-4570-1002.0-3.5Fast cure/mould& ...