Description
Tamperproof seal 38 mm 2-start with retention strap is a plastic closure accessory intended for Freital PET wide mouth bottles used in laboratory packaging and sample handling. The 38 mm two-start thread geometry is designed for matching wide-mouth PET bottle necks, while the integrated retention strap keeps the seal tethered after opening so the closure is less easily lost during inspection or dispensing. Supplied in a pack of 10 pieces with a pack weight of 0,031 kg, the seals support routine storage, internal transport and logistics workflows where a visible tamper-evident closure is preferred. Produced by manufacturer SEMADENI, the component aligns with Freital PET wide mouth bottle systems common in labware inventories. Typical contexts include containers and plastic bottles for buffers, process samples and general laboratory materials. Quick thread engagement from the two-start design aids efficient sealing on the bench, and the retention strap format suits repeated checks without fully separating the seal from the bottle. This consumable fits laboratories and production areas that standardise on Freital PET wide mouth bottles and need consistent, ready-to-use tamperproof seals for everyday packaging tasks.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 10 pc(s)
- Product type: Tamperproof seal with retention strap
- Diameter: 38 mm
- Thread: 2-start
- Compatibility: Freital PET wide mouth bottles
- Weight: 0,031 kg
Recently viewed
You may also like
Browse related categories
Category
Sub-category
Catalogue
Brand
Questions about Tamperproof seal 38mm 2start, ret. strap, for Freital PET wide mouth bottles
What is this article?
Tamperproof seal 38mm 2start, ret. strap, for Freital PET wide mouth bottles is the article on this page. Luminix Health distributes SEMADENI for laboratory use. It sits in Screw caps & closures, inside Stoppers, caps & closures, in Labware.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
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 Stoppers, caps & closures. The sub-category is Screw caps & closures. The catalogue is Labware.
Shelves beside this one are Rubber & silicone stoppers, Ground-joint glass stoppers, Lids & seals and Closures (other).
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.