Non-flaking wax composition containing liquid polypropylene

Claim 1

A CONTAINER FOR PACKAGING LIQUIDS FORMED FROM FIBROUS SHEET MATERIAL AND PROVIDED WITH AN ADHERENT NON-FLAKING MOISTURE RESISTANT COATING, SAID COATING BEING A HYDROCARBON COMPOSITION COMPRISING ESSENTIALLY FROM 55% TO 69% OF RELATIVELY LOW MELT POINT PARAFFIN WAX HAVING A MELT POINT BETWEEN 125*F. AND 132*F., VISCOSITY AT 210*F. OF BETWEEN 37 AND 41 SECONDS, AND A TENSILE STRENGTH AT 40*F. BEING AT LEAST 25 P.S.I. HIGHER THE TENSILE STRENGTH AT 40*F. BEING AT LEAST 25 P.S.I. HIGHER THAN THE TENSILE STRENGTH AT 70*F., FROM 20% TO 25* OF RELATIVELY HIGH MELT POINT PARAFFIN WAX HAVING A MELT POINT BETWEEN 148*F. AND 154*F., VISCOSITTY AT 210*F. OF FROM 40 TO 46 SECONDS, AND A PENETRATION AT 100*F. OF FROM 13 TO 19, FROM 10% TO 15% MICROCRYSTALLINE WAX HAVING A PENETRATION AT 110*F. OF FROM 69 TO 75, A VISCOSITY AT 210*F. OF FROM 70 TO 79 SECONDS, AND AN ADHESION VALUE OF FROM 30 TO 120, FROM 0.5% TO 2% POLYOLEFIN WAX SELECTED FROM THE GROUP CONSISTING OF POLYPROPYLENE AND POLYETHYLENE, AND FROM 0.5% TO 3% OF LIQUID POLYPROPYLENE, SAID WAX COMPOSITION HAVING A TINIUS-OLSEN ANGLE OF FRACTURE AT 36*F. OF AT LEAST 15* AND AT 73*F. OF AT LEAST 20*.