Edwin Mraz

Edwin Mraz Kunststoff-Erzeugnisse GmbH is a highly specialized German manufacturer of high-quality plastic laboratory products and packaging solutions. Founded in 1984, the company quickly established itself as an innovative partner in the scientific community by focusing on the precision moulding of essential laboratory vessels. Based in the Wertheim-Derlesberg industrial area—a region world-renowned for laboratory technology—Edwin Mraz has grown into an international supplier known for its professional competence and consistency. The brand’s philosophy centers on providing robust, chemically resistant plasticware that meets the daily demands of industrial, clinical, and research laboratories. By utilizing advanced materials such as LDPE, HDPE, and Polypropylene, Edwin Mraz ensures that its bottles, caps, and stoppers provide airtight security and long-term durability for even the most sensitive reagents.

 

The Edwin Mraz range at LabFriend features essential general laboratory consumables, headlined by their extensive selection of narrow-neck and wide-neck packaging bottles. For precise liquid distribution, the brand provides liquid handling accessories, including specialized screw caps with integrated spray tubes and dispensing tips. Their portfolio also includes high-quality stoppers and closures, specifically their popular PE octagon stoppers designed to provide a leak-proof seal for standard ground joint glassware. To support sample storage, Edwin Mraz offers a variety of universal round jars, canisters, and vials that are ideal for both liquid and solid specimens. By choosing Edwin Mraz through LabFriend, you benefit from competitive pricing and fast shipping on professional-grade plasticware engineered for safety and operational efficiency.

 

Why Choose Edwin Mraz for Your Laboratory?

  • Precision German Moulding: Decades of expertise in plastic manufacturing ensure consistent wall thickness and perfectly threaded closures for maximum sample integrity.
  • High Chemical Resistance: Products are manufactured from high-grade polymers like LDPE and PP, offering excellent resistance to many laboratory acids, bases, and alcohols.
  • Versatile Closure Systems: Offers a wide range of specialized caps, including wash-bottle inserts, spray tubes, and conical seals to suit diverse laboratory applications.
  • Standardized Compatibility: Their range of polyethylene stoppers is designed to fit standard NS (Normal Sand) ground joints, making them an affordable and unbreakable alternative to glass stoppers.
  • Food-Safe Materials: Many Edwin Mraz plastic products are manufactured according to EU regulations for food-safe materials, suitable for use in nutrition and hygiene laboratories.

Showing 1 - 16 of 20 results

Stopper, PE, NS 7/16 octagon
In stock
Part9.230 107
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Stopper, PE, NS 10/19 octagon
In stock
Part9.230 110
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Stopper, PE, NS 19/26 octagon
In stock
Part9.230 119
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Stopper, PE, NS 24/29 octagon
In stock
Part9.230 124
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Stopper, PE, NS 14/23 octagon
In stock
Part9.230 114
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Stopper, PE, NS 12/21 octagon
In stock
Part9.230 112
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Stopper, PE, NS 29/32 octagon
In stock
Part9.230 129
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Stopper, PE, NS 60/46 octagon
Available soon
Part9.230 160
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Stopper, PE, NS 85/65 octagon
Available soon
Part6.078 262
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Stopper, PE, NS 7/16 octagon pack of 10
Available soon

Frequently asked questions

LDPE (Low-Density Polyethylene) is more flexible and ideal for squeeze bottles and spray tubes, while HDPE (High-Density Polyethylene) is more rigid and offers slightly better chemical resistance for long-term storage.