Glass Test Tube With Screw Cap

Glass Test Tube with Screw Cap

Guide Medlab glass test tubes with screw caps are made of soda-lime glass or 3.3 borosilicate glass. The screw caps create tight sealing and prevent liquid leakage. They fit sample storage and chemical reactions for teaching and chemical labs. Sizes range from 12×75mm to 25×200mm.

Jiangsu Guide Medlab supplies complete specifications of screw cap glass test tubes in both soda-lime glass and 3.3 borosilicate glass. Reliable production quality, safe packaging and professional after-sales service help us gain wide recognition from global customers.

Product Specification

Product name	Guide Medlab Glass Test Tube with Screw Cap
Material	Soda-lime glass / 3.3 borosilicate glass
Size options	12×75mm, 12×100mm, 13×100mm, 15×100mm, 15×150mm, 16×100mm, 16×125mm, 16×150mm, 16×160mm, 18×150mm, 18×180mm, 20×150mm, 20×200mm, 25×150mm, 25×200mm
Feature	Screw cap design, good tight sealing, prevent liquid leakage, transparent
Function	Sample storage, chemical reactions for teaching and chemical labs

Application

Guide Medlab glass test tubes with screw caps are widely used in chemical labs, teaching institutions and research facilities for reagent preparation, liquid testing and sealed sample preservation.

• Prepare reagents and carry out routine liquid chemical experiments

• Store liquid and solid samples with tight sealing to prevent leakage and volatilization

• Support classroom demonstration and student laboratory practice

• Carry out small-scale chemical reactions and sample pretreatment

Quality Control

Packing, Storage and Transportation

●Packing

Glass test tubes with screw caps are packed in corrugated cartons complying with GB/T 6543. Outer cartons are marked with product name, specification, quantity, net weight, gross weight and volume. Custom OEM packing solutions are available upon request.

●Storage

Store packaged goods indoors under dry conditions. Do not over‑stack. Keep away from corrosive chemical substances.

●Transportation

Multiple transport modes are supported. Avoid heavy impact, dropping, compression and moisture during loading, unloading and transit.

Specification	12×75mm	12×100mm	13×100mm	15×100mm	15×150mm
Qty per carton	1000pcs	1000pcs	1000pcs	1000pcs	1000pcs
Specification	16×100mm	16×125mm	16×150mm	16×160mm	18×150mm
Qty per carton	1000pcs	1000pcs	1000pcs	1000pcs	600pcs
Specification	18×180mm	20×150mm	20×200mm	25×150mm	25×200mm
Qty per carton	600pcs	600pcs	600pcs	300pcs	300pcs

FAQ

Q1: Do you offer free samples?

Yes, we provide free samples for your evaluation. Shipping cost is covered by the customer or negotiated separately.

Q2: What is the minimum order quantity (MOQ)?

MOQ varies by product. The MOQ for glass test tubes with screw caps is 5 cartons; for plasticware, the MOQ is 1 carton; for other glass labware products, the MOQ is also 5 cartons. We can use pallets for large-volume shipments to stabilize the packages.

Q3: What payment methods do you accept?

We accept T/T (bank transfer) or payments through Alibaba.

Q4: Can I add my own design or logo to the product?

Yes, we provide OEM/ODM services. Custom packaging and logo printing are available.

Q5: Can you provide CE and ISO for your products?

Yes, all glass test tubes with screw caps come with complete technical documentation including CE, ISO and COA.

Q6: Do you support shipping insurance and freight options?

Yes, we offer sea, air and courier shipping with optional full insurance coverage.

Q7: Is the glass test tube with screw cap resistant to high temperature and corrosion?

We supply two glass types: soda-lime glass and 3.3 borosilicate glass. The 3.3 borosilicate screw cap test tubes deliver excellent heat resistance and chemical stability, suitable for various standard laboratory experiments. The screw caps offer reliable sealing to prevent liquid leakage and sample volatilization.

Q8: How do you prevent breakage during shipping?

We use reinforced 5-layer corrugated cartons with protective cushion materials. The breakage rate is typically kept below 1%.

Q9: What is your policy for damaged goods?

If broken tubes are found upon receipt, please send photos or videos within 48 hours. We will arrange free replacements or corresponding refunds.

Q10: What is your typical lead time?

For in-stock glass test tubes with screw caps, delivery takes 3–7 days. For bulk orders, it usually takes 15–25 days.

Q11: Do you have a price list for bulk purchases?

Yes, we offer tiered pricing based on order volume. Please contact our sales team for a formal quote.

Q12: Do you participate in international labware exhibitions?

Yes, we regularly attend exhibitions such as ARABLAB, ACHEMA, and Analytica.

Hot Tags: Glass Test Tube With Screw Cap,Glass Test Tube