
Serum Vacuum Blood Collection Tubes Clot Activator Tube Red Cap Pet Blood Collection Tube. CE & ISO13485 Certified: Factory certified with ISO13485 & ISO9001, products approved by FDA and CE. OEM & ODM Services: 30+ years experience with own mold factory developing 150-200 sets annually. Silica Clot Activator: Contains silica particles for efficient serum separation in chemistry and serology. Multiple Material Options: Available in Medical Grade PET or Glass with Red, Purple, Blue, Green, Black caps. Sterilization Options: Offered with Ethylene Oxide, EB, or Gamma sterilization, or non-sterile. Free Samples Available: Free samples provided for small quantities; freight collect for large orders. High Production Capacity: Daily output of 3,500,000 tubes with 100% inspection during production. 2-Year Shelf Life: Guaranteed 2-year shelf life with 2-year quality guarantee period.