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A series of internationally used numbers and codes exist for the identification of tyre structures, dimensions and main applications as well as the producer information.This group of codes and numbers is collectively known as the Tyre Markings and permits a precise identification of the tyre.

  • U.S.A. Dept. of Transportation Compliance Approval
  • Tyre Brand Name
  • Tyre does not require a tube
  • Tyre Pattern Name Designation
  • Type of Construction
  • Tyre Size
  • Load Index
  • SpeedSymbol
  • Uniform Tyre Quality Grading Marks
  • Tyre Construction Details
  • Load and Pressure Marking Requirement
Other Markings

P - as part of the tyre size designation (e.g., P205/65R15) used to indicate tyres intended for services on passenger cars.

LT - as part of the size designation (e.g., LT235/75R15) used to indicate the tyres are intended for light truck vehicles.

M&S - letters used to indicate a tyre suitable for Mud and Snow and/or All Season usage.

XL - as part of the size designation (e.g., P235/75R16 XL) used to indicate the tyre can carry more loads as the maximum inflation pressure and load are greater than a standard load version. (Also could be called REINFORCED or RF).

ZR - as part of the tyre size designation (e.g. 225/45ZR17 XL) used to indicate the tyre has a maximum speed over 240 kilometer per hour.

  • Brand Name
  • Country of Origin
  • Regroovable Marking Tubeless Marking Rim Size
  • Tyre Load and Air Pressure
  • Mould Reference Number
  • Construction Code
  • Tyre Size
  • Load Indices ( Single / Dual )
  • Supplementary service description, load indices and speed symbol for specific service conditions
  • Safety Warning
  • Product Name
  • Position for operator's own brand(when applicable)
  • ECE Certification
  • Road Conditions Information
  • North American Department of Transportation Compliance Symbol and Identification Number
  • 3C Compulsory Certificationfor Chinese Market
  • Product Name

  • Brand Name
  • Safety Warning
  • Tyre Size
  • Standard Rim
  • Service Index
  • Tread Pattern
  • Service Classification
Service Classification

WESTLAKE tyre has code number on it in order to identify and serve the function.

Conversion table: Star rating to Ply ratings
Size and  Star Rating Corresponding PR Size and Star Ratings Corresponding PR
Loading
service		 Transport
service		 Loading
service		 Transport
service
20.5R25 ★ up  to  20   21.00R35 ★★   up  to  44
★★   up  to  24 24.00R35 ★★   up  to  48
23.5R25 ★ up  to  24   17.5R25 ★   up  to  16
★★   up  to  28 17.5R25 ★★   up  to  20
26.5R25 ★ up  to  28   13.00R25 ★★★   up  to  28
★★   up  to  32 14.00R25 ★★★   up  to  28
29.5R25 ★ up  to  28          
★★   up  to  34        
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