SPECIFICATIONS OF CASING GRADE

GRADE "A"

1. This grade casing has not been previously retreaded, remoulded or repaired with a section.
2. This grade casing has at least 1/32" of original groove tread depth remaining.
3. This grade casing has not been regrooved.
4. No damage requiring a major section repair
5. No more than 2 nail holes in Nylon tire casing and more than 1 nail hole in Radial tire casing.
6. No tread skid
7. No deep tread cuts by sharp rocks, glasses, metals, etc. for damaging nylon or steel cords.
8. No sidewall ripples or bulges
9. No Separation

GRADE "B"
This grade casing may contain some of the conditions mentioned below, but it is very limited and also not more than 2 conditions:
1. Casing with no remaining tread depth
2. Previously repaired nail holes
3. Deep tread cuts within the allowable limit
4. Section repair required
5. Maximum 4 nail holes but not grouped together in nylon tire casing and maximum 2 nail holes in radial tire casing.
6. Penetrating injury is less than 6mm.
7. Minor damage on sidewall and /or shoulder (rubber only) within the allowable limit, but no damage to fabric or steel cords
8. Damage on rubber in bead area, but no damage in bead wire itself
9. All other conditions are same as Grade "A" casing