Description
GSC International PSTT12-75-500 Polystyrene Test Tubes – 12mm x 75mm Clear Plastic Lab Tubes, Rimless, Non-Autoclavable – Pack of 500 for Classroom, STEM Education, and Research Labs
Clear Polystyrene Material – Transparent construction offers excellent visibility for science experiments and lab use
Rimless Design – Smooth edges and uniform shape ensure safe, consistent handling
Cap Compatible – Designed for use with optional polyethylene plug caps (not included) for secure push-fit sealing
Bulk Pack of 500 – Convenient supply for classrooms, STEM activities, teaching labs, and research facilities
Non-Autoclavable – For general laboratory use only; not suitable for sterilization under high heat
⚠️ Proposition 65 Warning for California Residents:
WARNING: This product may expose you to chemicals including styrene and/or bisphenol A (BPA), which are known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 15 and under.
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WHY GSC GO SCIENCE CRAZY ?
Power Up Your Science Experiments
Explore circuits, current, and magnetism with easy-to-use, reliable tools.
Shop NowFrequently Asked Questions
Shipping
Yes! We offer fast, free shipping on eligible orders within the United States.
Most orders are processed within 1–2 business days. Delivery typically takes 3–7 business days, depending on your location.
At this time, we primarily ship within the United States. For international orders, please contact our support team for assistance.
Product
Yes. Our labware and science kits are specifically designed for educational use and are trusted by schools, teachers, and homeschooling families.
Most of our kits include easy-to-follow instructions or experiment guides. If you need additional help, our support team is happy to assist.
We carry a wide range of science education tools across multiple disciplines, including:
- Labware
- Electricity and Magnetism
- Force and Motion
- Light and Sound
- Properties of Matter
- Biology
- Chemistry
- Earth Science
- Novelty Items
Our products are designed with education and safety in mind. Adult supervision is recommended for younger users, especially during experiments.
Other
We’ve been supporting science education for over 60 years, providing reliable labware and hands-on learning tools.
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Yes! We offer a satisfaction guarantee. If you’re not fully happy with your purchase, we make returns easy.
Our friendly support team is always ready to help. Reach out via our Contact Us page or email for expert assistance.