Description
Test tubes PS with PE plugs are polystyrene laboratory test tubes fitted with polyethylene plugs and provided in a 3,5 ml volume. They are laboratory vessels and consumables used as test tubes and sample tubes for collecting, holding and transferring small samples during routine work. Each pack contains 100 pc(s), a quantity suited to continuous bench use in analytical, research and teaching laboratories. Tube bodies are made of polystyrene (PS) and the accompanying plugs of polyethylene (PE). The pack weighs 0,207 kg, which keeps storage and internal transport straightforward. These tubes come from manufacturer SEMADENI and serve general sample handling wherever a 3,5 ml plastic test tube with plug is required. Typical tasks include aliquoting and organised storage of small liquid or solid portions according to the laboratory’s own methods. The 3,5 ml format addresses small-volume laboratory work, and the PE plugs close the tubes after filling. This PS and PE test-tube set is packed as 100 pc(s) for everyday laboratory supply and sample organisation on the bench.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 100 pc(s)
- Volume: 3,5 ml
- Tube material: Polystyrene (PS)
- Plug material: Polyethylene (PE)
- Weight: 0,207 kg
- Product type: Test tubes with plugs
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Bouchons, capuchons & fermetures
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Bouchons en caoutchouc & silicone
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Questions about Test tubes PS with PE plugs, 3,5 ml
What is this article?
Test tubes PS with PE plugs, 3,5 ml is the article on this page. Luminix Health distributes SEMADENI for laboratory use. It sits in Bouchons en caoutchouc & silicone, inside Bouchons, capuchons & fermetures, in Matériel de laboratoire.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Bouchons, capuchons & fermetures. The sub-category is Bouchons en caoutchouc & silicone. The catalogue is Matériel de laboratoire.
Shelves beside this one are Bouchons à vis & fermetures, Bouchons en verre à rodage, Couvercles & joints and Fermetures (autres).
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.