产品名称及代号Product descripti and Codes 
代号
Codes定义
Definition代号
Codes定义
DefinitionD单根燃烧 
Combustion for single cableA有烟有酸有毒
have smoke acidity and toxicityS成束燃烧
Combustion for bunched cableB低烟低酸低毒
low smokelow aciditylow toxicityN耐火(单根燃烧)
Fire-proof(Combustion for single cable)C无卤低烟低毒
Halogen freelow smokelow toxicity