Description
GSC International TT25-150-CS10 Test Tubes, 25mm x 150mm, Borosilicate Glass with Rolled Rims, Case of 720 – Durable Laboratory Glassware for Science, Chemistry, and Classroom Use
QUALITY BOROSILICATE GLASS – Manufactured from strong borosilicate glass for durability, clarity, and resistance to thermal stress in lab environments
UNIFORM WALL THICKNESS – Each test tube features a consistent wall thickness with rolled rims for added strength and reduced risk of chipping
STANDARD DIMENSIONS – Large test tubes measuring 25mm in diameter and 150mm in length, compatible with size 6 stoppers and most lab accessories
CASE OF 720 TUBES – Sold as ten packs of 72 test tubes each, making it a convenient bulk option for classrooms, research labs, and science projects
VERSATILE LAB USE – Ideal for chemistry experiments, biology studies, science fairs, and general laboratory applications in schools and research facilities
PRODUCT WARNINGS
This product is NOT A TOY. It is designed for educational, scientific, or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.
Certified Women's Business Enterprise
Certified Women’s Business Enterprise (WBE)
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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.
We accept all major credit cards and secure payment options such as Shopify Payments, PayPal, and more.
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.