QC/T 431-1999
Specifications for spark plug porcelain insulators (English Version)

Standard No.

QC/T 431-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Automobile

Status

Be replaced 2013-09

Replace By

QC/T 431-2013

Latest

QC/T 431-2013

Scope

This standard specifies the terminology, technical requirements and acceptance rules for spark plug porcelain insulators. This standard applies to porcelain insulators for spark plugs used in electric spark ignition systems of internal combustion engines. This standard does not apply to porcelain insulators for spark plugs used in aviation and special engines.

QC/T 431-1999 history

• 2013 QC/T 431-2013 Spark plug ceramic insulator specifications
• 1999 QC/T 431-1999 Specifications for spark plug porcelain insulators