Test Piece
Product Code : SCL-BLE-11651
Test Piece (SKU SCL-BLE-11651) is a transparent glass test tube measuring 16 x 150 mm, used to hold, mix, heat and observe small quantities of liquid in biology and chemistry practicals. The glass resists chemicals and heat, so it suits food tests, enzyme work and simple reactions over a spirit lamp. Schools, colleges, tender contractors and distributors can source it from Science Lab Supplies in Ambala, India, in small or bulk quantities.
Specifications
Every specification of this 16 x 150 mm test tube appears in the table. In brief, it is a transparent glass tube, resistant to chemicals and heat, with the rim style (rimless or with a rim) confirmed on the quotation, for holding and heating small liquid samples in practical work.
| Specification | Value |
|---|---|
| SKU | SCL-BLE-11651 |
| Item | Glass test tube |
| Dimensions | 16 x 150 mm |
| Colour | Transparent |
| Rim | Rimless or with rim, confirmed on the quotation |
| Chemical resistance | Chemical resistant |
| Heat resistance | Heat resistant |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Test Piece
Despite its name, the Test Piece is not a material-testing specimen but an ordinary glass test tube. Students fill it with a few millilitres of sample and reagent, shake or warm it, and watch for colour changes, precipitates or gas, which makes it a core item on any biology or chemistry bench.
- Class 9–10 science: tests for starch, protein and reducing sugars in food samples.
- Class 11–12 biology: enzyme practicals, such as the effect of temperature on the action of amylase on starch.
- Chemistry practicals: heating salts and observing gas evolution, colour change or precipitates.
- Heating over the Alcohol Lamp or Laboratory Spirit Burner, with reagents added from the Dropper.
Fill the tube no more than one-third when heating, warm it gently along its length, and point the open end away from everyone.
Standard Scope of Supply
Each unit is one transparent glass test tube of 16 x 150 mm, and the quantity per pack and the rim style are stated on the quotation. Holders, racks, brushes and reagents are not included, and they can be added to the same quotation for a complete test tube station.
Packing, MOQ and Lead Time
A quotation can be prepared for a few test tubes or for a quantity that covers every practical in a term. Science Lab Supplies details the packing, delivery time and price for that quantity, and holders, racks or brushes can be placed on the same quotation for convenience.
Science Lab Supplies has an Importer-Exporter Code and can ship to buyers in Rwanda, South Africa, Qatar, Sri Lanka, Vietnam and Malaysia. To have test tubes priced, reach us through the contact page, place them in the enquiry cart, or refer to the lab tender page for larger tender lots.
Frequently Asked Questions
Is the Test Piece a test tube?
Yes. The name is a literal translation; the product is a transparent glass test tube of 16 x 150 mm, chemical and heat resistant, for holding and heating small amounts of liquid in practical work.
Does the tube have a rim?
The tube can be quoted rimless or with a rim. State your preference when you enquire, especially if the tubes must match an existing rack, holder or set of stoppers in your laboratory.
Which stands suit a 16 mm tube?
The Case Holder in the related list is a wooden stand with 12 holes for test tubes, and the Test Tube Rack SS holds 24 tubes in 19 mm holes. Check hole sizes against the 16 mm tube diameter when ordering.
Who supplies the Test Piece?
The test tube is supplied by Science Lab Supplies from Ambala, India. Schools, colleges, tender contractors and distributors can request it directly, with holders and racks listed on the same quotation if needed.
Related Test Tubes, Holders and Racks
These tubes, holders, racks and brushes from the Lab Glassware, Chemistry Lab, Clinical Laboratory and Biology Lab Equipment ranges support every stage of test tube work, from gripping and heating to standing and cleaning, and they can all be priced with the Test Piece.
- Test Tubes — pack of 100 laboratory test tubes for holding, mixing and observing small quantities.
- Case clip — wooden test tube holder for gripping a tube while it is hot.
- Test Tube Clamp — wooden holder for a tube that should not be touched by hand.
- Test Tube Holder with Handle — metal clamp that grips tubes during heating, fitted with an insulated handle.
- Case Holder — brown wooden test tube stand with 12 holes.
- Test Tube Rack SS — stainless steel rack with 24 positions and 19 mm holes.
- Brush for Washing Test Tubes — soft white nylon brush, 12 mm in diameter.
Browse the full Biology Lab Equipment range, the Lab Glassware range for tubes and vessels, or all school lab equipment.
Last updated: 9 October 2026
