The SureSeal™ Promise

Quality & Consistency

  • Product performs as expected—every time.
  • Uniformity and reliability are consistent on a lot-to-lot basis.

Purity & Clarity

  • Sealing system is of the highest-clarity, medical-grade polypropylene, and TPE.
  • Product is certified free of detectable RNase, DNase, DNA, and PCR inhibitors.
  • Sterile versions are also certified free of pyrogens.
  • Ultra-clear resins provide maximum visibility to your solution.


  • Our broad product line is suitable for all standard applications.
  • Custom solutions are innovated through our expertise and technology.

Commitment & Responsiveness

  • We believe in open and honest communication: You talk. We listen.
  • Your needs, concerns, and ideas receive our highest priority.
  • Deliveries are on-time through cooperative planning and safety stock maintenance.

When you need to be sure about the plastics you select to protect your product or sample, choose the brand that has the experience, innovation, and reliability of an industry leader: SureSeal from Scientific Specialties, Inc. Since introducing screw cap microtubes over 20 years ago, our business has steadily grown through our customers’ satisfaction and recommendations.  We invite you to put our screw cap products to the test in your process and see why Scientific Specialties is a world leader in life science plastic design and manufacturing.

SureSeal Screw Tubes and Caps Product Directory
SureSeal Screw Tubes and Caps Product Directory
Download SureSeal Screw Cap Tubes Brochure
Download SureSeal Screw Cap Tubes Brochure