HS-508RTM UPR ti ko si halogen free low smoke density
HS-508PTF UPR ti ko si halogen free low smoke additive type
HS-502PTF UPR ti ko si halogen free low smoke additive type flame retardant
HS-502RTM UPR ti ko si halogen free low smoke additive type flame retardant
HS-504PTF-2 UPR ti ko si halogen free low smoke additive type flame retardant