Certified Digestion Tubes 

TLG is a leading manufacturer of OEM equivalent digestion tubes and accessories.

Our tubes are molded from premium-grade polypropylene for their impact strength, flexibility, and heat-resistant properties. All our digestion cups are certified to class A volume accuracy, include a metals background report, also are compatible with leading brand graphite block digestion systems. A growing number of laboratories are turning to us for our high-quality and cost-effective OEM alternative solutions.

• Made from virgin polypropylene (PP)

• Excellent visibility

• Very good resistance to acids

• 15 mL tubes are graduated in increments of 1mL and have a total capacity of 18 mL

• 50 mL tubes are graduated in increments of 5mL and have a total capacity of 63 mL

• 100 mL tubes are graduated in increments of 25 with an additional line at 10 mL and have a total capacity of 130 mL

• Each shipment comes with a certificate of volume accuracy stating the tubes meet Class A tolerance

• Extremely low leachable metal content; each shipment comes with a metals background report

• Three sizes fit all leading brand graphite digestion block systems

• Fits leading brand graphite digestion block systems

• Can also be used as a graduated cylinder, volumetric flask, autosampler tube, or storage container

• Tubes sold with or without screw caps.

• Ribbed watch glass accessory available for each size, reflux cap available for 50 mL tube