Snap-off knife OLFA - Look in the online store Zalepi.eu

History of OLFA or the first snap-off knife in the world

n 1956 year Yoshio Okada, the founder of the Japanese company OLFA, develops first in the world snap-off knife. The unique invention of Okada very quickly becomes the best selling and most recognizable product in the world. The length, width and angle of the blades developed by Yoshio Okada have become the world standard for the snap-off knives.

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3M Industrial Tapes for Marking – the durability you need

Color coding and hazard warning tapes for every job “From one of the world’s most trusted manufacturers, 3M, comes the future of floor marking.” Whether you’re marking a wall, a pipe, or a loading dock, 3M has the right product durability, flexibility and vibrant color you need to help maximize your workflow, safety and factory,…

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3M Industrial Tapes for Marking - the durability you need
How to bond polyethylene

How to bond polyethylene?

For a structural adhesive to be effective, it has to closely adhere to the surface, which, as previously mentioned, depends on a material’s surface energy. In order to bond well, an adhesive has to closely adhere to the surface, and to be able to do that, the surface has to allow good contact with the adhesive, which is something that low surface energy materials don’t do.

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The Polyethylene and its properties

Plastics of all shapes and types have become indispensable in our everyday lives. If you look around, you will find that an increasing number of natural materials are being replaced by plastics. This has resulted in many technical challenges, one of the biggest being bonding.

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Types of plastics

Types of plastics

When talking about plastics, we are actually using a term that covers a wide variety of synthetic and semi-synthetic organic compounds. What is interesting is that only a small portion of plastic materials is based on petrochemicals, while most are made from renewable resources such as polyacrylate, which is derived from corn or cotton.

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Testing the strength of 3M VHB double-sided tapes

Numerous tests of 3M’s double-sided tapes have been done by the 3M’s experts in order to prove the qualities of the VHB tapes. For testing the strength of the adhesive of the double-sided tapes, they used the open spaces in Arizona, Florida, Minnesota, and many others.

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Testing the strength of 3M VHB double-sided tapes

What are LSE and HSE plastics?

Each type of materials including plastics has a specific surface energy. It quantifies the disruption of intermolecular bonds that occurs when a substrates is created. The surface energy of plastics defines the adhesion strength,…

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What are LSE plastics and HSE plastics?