Office: 518-432-0617
Sales Hours no sales hours
Address 45 Discovery Drive, Rensselaer, NY 12144
Fax: 518-432-9146
Sales Hours no sales hours
Address 45 Discovery Drive, Rensselaer, NY 12144
20mmScrewCapsWhite

20mm Screw Caps

ILT’s  customizable 20mm Screw Caps are made with polypropylene, and lined with numerous combinations of silicone/PTFE. Caps manufactured by ILT provide the high level of cleanliness needed to meet analytical laboratory requirements. Interested in our products? Contact us to be connected to our sales team.

Our high-quality caps are available in black or white in both open and closed top styles. Liner thicknesses range from 1.3mm to 1.9mm. Select liner options also include cross-slit styles. 

All of our products are tested in our onsite laboratory, fully equipped with state-of-the-art instrumentation to ensure quality control. As the largest global producer of lined caps, ILT is dedicated to maintaining the highest standards in the industries of manufacturing and material science.

We understand that every laboratory has unique needs and requirements. From product design to laboratory testing, our creativity is found nowhere else in the industry. We use FDA-approved materials in accordance with GMP and ISO 15378 standards. When it comes to the industries of Chromatography, Headspace Analysis, and beyond, ILT remains the trusted provider of cap liners, septa, and cap lining systems.







    ILT Item Number Style Color Thread Cap Material Liner Material Slit Liner thickness(mm) Liner thickness(in)
    020-13-9151 Screw 20-400 Polypropylene White silicone/natural PTFE .. 1.5mm 0.060″
    020-13-7717 Screw 20-400 Polypropylene White silicone/natural PTFE cross-slit Cross 1.5mm 0.060″
    020-13-7490 Screw 20-400 Polypropylene Trans white silicone/natural PTFE .. 1.9mm 0.075″
    020-13-9711 Screw Closed
    Top
    20-400 Polypropylene White silicone/red PTFE .. 1.5mm 0.060″
    ILT Item Number Style Color Thread Cap Material Liner Material Liner thickness(mm) Liner thickness(in)
    020-13-9561 Screw Closed
    Top
    20-400 Polypropylene White silicone/natural PTFE 1.5mm 0.060″
    020-13-7325 Screw Closed
    Top
    20-400 Polypropylene White silicone/natural PTFE 1.5mm 0.060″
    020-13-6449 Screw Closed
    Top
    20-400 Polypropylene White silicone/blue PTFE 1.3mm 0.050″