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CASING SPECIFICATIONS

GRADE A:
Casings for retreading that HAVE NOT BEEN previously retreaded, remoulded nor repaired with a section. Grade "A" casings have at least 1/32" of original tread remaining and have not been regrooved. Grade "A" casings DO NOT CONTAIN the following:

  • Significant weather checking
  • Damage requiring a major section repair
  • More than 2 nail holes (nylon), more than 1 nail hole (radial), Penetrating injury is less than 5mm (approximately 3/16")
  • Obvious run-low conditions
  • Tread Skid
  • Deep tread cuts due to sharp rocks, metal, etc., damaging nylon or steel cords
  • Excessive sidewall abrasion or damage
  • Sidewall ripple or bulges
  • Bead damage or deformity
  • Circumferential cracking around the bead area
  • Separation

GRADE B:
Casings may contain any of the listed conditions, but are limited to a maximum of two of the following injuries:

  • Casings with no remaining tread
  • Previously repaired nail hole injuries
  • Deep tread cuts acceptable
  • Maximum 4 nail holes but not grouped together (nylon), including previous repairs
  • Maximum 2 nail holes but not grouped together (radial), including previous repairs
  • Minor damage on sidewall/shoulder (rubber only) are acceptable, but no damage to fabric or steel cords, needs no more than spot repairs, maximum of two per tire
  • Bead damage to rubber only
  • All other conditions same as Grade "A" casings

GRADE R1:
Once capped casings are those that have been previously top or full capped, and may contain any of the following:

  • Previously repaired damage acceptable
  • Tread cuts acceptable
  • Skid acceptable, underlying fabric or steel not exposed
  • Sidewall damage to rubber only, needs no more than spot repairs, maximum of two per tire
  • All other conditions same as Grade "A" casings


Central Marketing Inc.
P.O. Box 1439, Colonial Heights, VA 23834
Phone: (804) 733-4684 Fax: (804) 733-8603
email: sales@central-marketing.com