1.Quartz glass 2.E4 E-MARK Certification Approved 3.80 ... About the Product l This is H1 12v 55w yellow halogen lamp, we also have Rainbow blue, Clear, Yellow, Rainbow yellow ... Steel.l We can supply Glass material as, Hard Quartz, corning.l The life time is below, Quality A ... as:Iron,Copper,Stainless Steel and GlassMaterial as:Hard,Quartz,CorningLife time:Qualilty A>=500 hrsQuality B>=350 hrsColor: ...