B-30 with Marble Adhesive at a certain ratio averagely,and apply to the part where need bonding Use range: Various Natural Stone, Cer- amic or Artificial Marble and etc.Suitable for fami- ly decoration, depart-ment store, factory and etc.                                B-40 is a low viscosity, spray lay-up of benzoyl peroxide dispersant. Be used for an initiator for unsaturated polyester resins, vinyl ester resins and vinyl monomers (e.g. styrene, acrylates, etc.)                   B-50 is a kind of benzoyl peroxide paste with good stability. It can be used to cure polyester resin and vinyl resin at room temperature.It should be use combined with amine initiator.