Heavy-duty vehicle tire, with tread (1) of thickness E of wearable material and surface (10) for contact with a roadway, tread (1) having a raised element (41, 42) with of sipes (5) circumferentially distributed and inclined. Tread (10) material is an elastomer based on natural rubber or synthetic polyisoprene with a majority of cis-1,4 linkages and on a reinforcing filler predominantly of silica, with a content expressed in phr (parts by weight per hundred parts of elastomers) of greater than 40 and a filler content in phr of greater than 50, and having: a tan(δ)max/(G*25%) ratio at most of 0.065, in which tan(δ) is the measurement, at 60° C., of the loss factor of the tread material, and G*25% is the complex dynamic shear modulus, expressed in MPa, and a deformation at break under tensile testing at least equal to 530%, at a temperature of 60° C.
PNEU AYANT UNE BANDE DE ROULEMENT COMBINANT DES INCISIONS INCLINEES AVEC UN MATERIAU SPECIFIQUE
TYRE HAVING A TREAD COMBINING INCLINED SIPES WITH A SPECIFIC MATERIAL
REIFEN MIT EINER LAUFFLÄCHE, DIE GENEIGTE LAMELLEN MIT EINEM SPEZIFISCHEN MATERIAL KOMBINIERT
2020-09-16
Patent
Electronic Resource
French
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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