... the public. We own six grades, here is D-Fast Cyclin grade:GradeSpecificationBeads SizeFoam MultipleUseD-Fast Cycling ... , block and china packing and high density product D-1040.85-1.2550-65For electric packing, block ... and china packing and high density product D-1050.70-1.0040-60 For electric packing, ... block and china packing and high density product D-1060.50-0.8035-55 For electric packing, ...