2021/5/8 · Filtrous Crimp Top Vials Filtrous 2mL crimp top vials are made from type 33 borosilicate glass in an ISO certified facility. With low metal content, these vials protect your sample from destabilizing or -2ml 11mm crimp TOP vial-Autosampler Vials-HPLC Product Description The Microlab Crimp vials are the standard vials for GC and HPLC.The crimp caps provide the tightest seal, reducing the chance