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Home » Products » Bus Tire » Bus Tire

Bus Tire

Bus Tire
Bus Tire
Product Code : BT-02
Brand Name : KOKUBU
Product Description
Equipped with necessary infrastructure, we have emerged as a leading exporter of  Bus Tire. Procured from the trusted vendors of the market, the offered  Bus Tire is known for its abrasion and puncture resistance nature, sufficient load bearing ability, unique grasping performance and durable formation.

Specification of casing grade

Grade A

a)This grade casing has not been previously retreaded, remoulded nor repaired with a section.

(b) This grade casing has at least 1/32" of original groove tread depth remaining.

(c)This grade casing has not been regroved.

(d)This grade casing do not contain the followings:

  1 Significant weather checking

  2 Damage requiring a major section repair

3 More than 2 nail holes in Nylon tire casing and more than 1 nail hole in Radial tire casing.

4 Penetrating injury is less than 3mm.

5 Obvious run-low conditions

6 Tread skid

7 Deep tread cuts by sharp rocks, glasses, metals, etc. for damaging nylon or steel cords.

8 Excessive sidewall abrasion or damage.

9 Sidewall ripples or bulges

10 Bead damage or deformity

11 Circumferential cracking around the bead area

12 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

Grade C

This grade casing may contain some of the conditions mentioned below, but it is very limited and also not more than 5 conditions:

1 Casing with no remaining tread depth

2 Previously repaired nail holes, but without loose patches.

3 Deep tread cuts within the allowable limit in rubber only or without loose wire or rust

4 Section repair required. But, it is limited with 3 and without patches overlapped

5 Several nail holes but maximum 1 nail hole within 15 square centmeters And also, the diameter, bigger than 6mm, shall be considered as section repair.

6 Penetrating injury is less than 6mm. But, there are no rust and loose wire.

7 Minor damage on sidewall and /or shoulder (rubber only) within the allowable limit, but no radial ozone crack

8 Damage on rubber in bead inside area, but no damage in bead wire itself

9 2 large patches and 4 small patches (for nail hole repair) in the inside of the casing

10 Small exposure of the Steel Belt, Braker and Nylon Cord, but no damage such as the rust and loose wire in the Steel Belt、Braker and Nylon Cord.

11 All other conditions are same as Grade "B" casing.

Grade D

This grade casing may contain some of the conditions mentioned below, and not more than 10 conditions:

 

1

Casing with no remaining tread depth

 

2

Previously repaired nail holes, but without loose patches.

 

3

Deep tread cuts within the allowable limit in rubber only or without loose wire or rust

 

4

Section repair required. But, it is limited with 3 and without patches overlapped

 

5

Several nail holes but maximum 1 nail hole within 15 square centimeters And also, the diameter, bigger than 6mm, shall be considered as section repair.

 

6

Penetrating injury is less than 6mm. But, there are no rust and loose wire.

 

7

Minor damage on sidewall and /or shoulder (rubber only) within the allowable limit, but no radial ozone crack

 

8

Damage on rubber in bead inside area, but no damage in bead wire itself

 

9

2 large patches and 4 small patches (for nail hole repair) in the inside of the casing

 

10

Small exposure of the Steel Belt, Braker and Nylon Cord, but no damage such as the rust and loose wire in the Steel Belt、Braker and Nylon Cord.

 

11

All other conditions are same as Grade "B" casing

Grade R1

This grade casing (so called once recapped casing) has been previously recapped by full or top and may contain some of the followings:

1 Previously repaired damage within the allowable limit

2 Tread cuts in rubber area within the allowable limit

3 Skid within the allowable limit, but underlying fabric and steel are not exposed.

4 Sidewall damage in rubber area only

5 All other conditions are same as Grade "A" casing.

Technical Specification :

235/70R22.5

CASING

275/70R22.5 R-1

CASING

11/70R22.5

CASING

285/60R22.5

CASING

265/60R22.5

CASING

385/65R22.5

CASING


Stock

Level

Many

A

No many

B

A little

C

Very a few

D


SIZE

STOCK

11R22.5 14P

A

11R22.5 16P

A

275/80R22.5

A

245/70R19.5

A

1000R20 14P

B

12R22.5

B

275/70R22.5

B

295/80R22.5

B

315/80R22.5

B

385/65R22.5

B

1000N20

C

1100R20

C

9R19.5

C

295/70R22.5

C

825N20

D

825R20

D

900N20

D

900R20

D

1200N20

D

1200R20

D

10R22.5

D

315/70R22.5

D

285/60R22.5

D

265/60R22.5

D


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