Serving the Automotive Aftermarket
1150 Heritage Road, Burlington, Ontario, Canada, L7L 4X9
Phone 1-905-335-1533    1-888-311-3503    Fax 1-888-311-3504    Email

"BN" and "BNT" Bias Ply Application Chart
Using This Chart:
  • Note the ply rating of the tire being repaired and locate this on the left-hand column of the appropriate chart.
  • Measure the injury being repaired across the largest area of broken or removed cord.
  • Locate the injury size along the top row of the appropriate chart.
  • Use the BN Repair Unit indicated where the column and row intersect.
NOTE: Injury must be within repairable limits. Click here for description of repair limitations and non-repairable areas.
 


Passenger, Truck & Earthmover
 
Ply
Rating		 3mm
1/8"		 6mm
1/4"		 10mm
3/8"		 15mm
1/2"		 20mm
3/4"		 25mm
1"		 40mm
1 1/2"		 50mm
2"		 65mm
2 1/2"		 75mm
3"		 100mm
4"		 125mm
5"
 4 BN0 BN2 BN3 BN4 BN4 BN4 BN7 BN9
6 - 8 BN0 BN2 BN3 BN4 BN5 BN5 BN8 BN9 BN10      
10 - 12 BN1 BN3 BN4 BN5 BN7 BN9 BN9 BN10 BN10 BN12 BN12
14 - 16 BN1 BN3 BN4 BN5 BN8 BN10 BN10 BN12 BN12 BN12 BN15 BN20
18 - 20 BN2 BN3 BN5 BN7 BN9 BN10 BN12 BN15 BN15 BN15 BN15 BN20
22 - 24 BN2 BN3 BN5 BN8 BN10 BN10 BN12 BN15 BN15 BN15 BN20  


Farm, Tractor, Skidder
 
Ply
Rating		 3mm
1/8"		 6mm
1/4"		 10mm
3/8"		 15mm
1/2"		 20mm
3/4"		 25mm
1"		 40mm
1 1/2"		 50mm
2"		 65mm
2 1/2"		 75mm
3"		 125mm
5"		 175mm
7"
4 - 6 BN3 BN4 BN4 BN5 BN7 BN8 BN8 BN9 BN9
or BN10		 BNT20
or BN12		 BNT21
or BN20		 BNT22
8 - 12 BN3 BN4 BN5 BN7 BN8 BN8 BN8 BN9
or BN10		 BNT20
or BN10		 BNT23
or BN15		 BNT24
or BN20		 BNT25
14 - 16 BN4 BN5 BN7 BN8 BN8 BN9 BN9
or BN10		 BNT20
or BN10		 BNT23
or BN15		 BNT24
or BN20		 BNT25


Reinforcement Repairs
 
Ply
Rating		 3mm
1/8"		 6mm
1/4"		 10mm
3/8"		 15mm
1/2"		 20mm
3/4"		 25mm
1"		 40mm
1 1/2"		 50mm
2"		 65mm
2 1/2"		 75mm
3"		 100mm
4"		 125mm
5"
8 - 12 BN0 BN2 BN3 BN3 BN4 BN4 BN5 BN8 BN9 BN10 BN12
14 - 18 BN1 BN2 BN4 BN4 BN5 BN5 BN7 BN9 BN10 BN10 BN12 BN15
20 - 24 BN2 BN3 BN4 BN5 BN7 BN8 BN9 BN10 BN12 BN12 BN15 BN15
Bias-Ply | CP/CPT | BN/BNT | AG & AG Chart | CP Chart | BN Chart | Chop Cord
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Phone 1-905-335-1533   ·   1-888-311-3503   ·    Fax 1-888-311-3504
1150 Heritage Road, Burlington, Ontario, Canada, L7L 4X9