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Home > 2024 > July

Month: July 2024

Persoon die een houten terras behandelt met lijnolie, met behulp van een verfroller.
July 31, 2024

Treating wood with linseed oil

Boiled linseed oil, a natural product from flax seeds, is ideal for protecting wood, metal and concrete from moisture and weather. Before treating wood, the surface must be clean, dry and free of grease. Sand the wood, apply the oil with a brush and let it soak in for 30 minutes. Treat dry areas again and remove excess oil with a lint-free cloth. Then let the wood dry for 24 hours. Linseed oil should not form a layer but should be absorbed into the wood. Pay attention to safety when storing used cloths to prevent spontaneous combustion. Regular maintenance is necessary for lasting protection and a beautiful finish.
Garagedeuren van hout met gedeeltelijk afgebladderde verf en voorbereide schoonmaakbenodigdheden ernaast.
July 30, 2024

How do you lye wood?

Wood lyeing is a process where wood is treated with a caustic solution such as sodium hydroxide or potassium hydroxide to remove impurities and give it an aged appearance. This step-by-step process involves preparing the wood, applying the lye solution, neutralizing and rinsing, and drying and finishing. Safety precautions are essential due to the toxicity of the lye. Although it can produce beautiful results, there are disadvantages such as the loosening of wood joints, the need for sanding, and the unsuitability of MDF and chipboard. Follow the guidelines carefully for a safe and successful result.
Lego-figuren van personages uit Harry Potter staan voor een gedetailleerd Lego-model van een huisje.
July 29, 2024

Gluing Lego with MEK

Bonding Lego with Methyl Ethyl Ketone (MEK) creates a strong and durable bond between bricks, thanks to the chemical properties of the ABS plastic that Lego bricks are made of. MEK melts the surfaces of the ABS, creating a strong chemical bond. This prevents Lego creations from falling apart, for example when children play with them. Although MEK is effective, it does pose health risks and requires careful handling and safety precautions. Alternatives such as plastic glue, superglue and epoxy glue also provide strong bonds without the aggressive properties of MEK. By using the right glue and techniques, durable and robust Lego constructions can be created.
Een wit kledingstuk met bloedvlekken aan de linkerkant en een schoon gedeelte aan de rechterkant
July 26, 2024

Removing blood stains from clothing

This article provides a step-by-step guide to removing blood stains from clothing using hydrogen peroxide. The process involves immediately treating the stain with cold water, blotting the stain, and applying hydrogen peroxide to break down the blood. After blotting and rinsing the stain, the garment is washed with cold water and detergent. The article emphasizes the importance of acting quickly and provides tips for using hydrogen peroxide safely on different fabrics.
Een persoon giet paars zeepmengsel in siliconen zeepvormen.
July 25, 2024

Making your own soap, making your own soap

This article provides a step-by-step lab preparation for students to make their own soap using sodium hydroxide. It covers the materials needed, safety precautions, and the process of saponification, in which fats and oils react with a base to form soap. In addition to detailed explanations, sample lab questions and answers are also provided.
Een vintage petroleumkachel die kachelbrandstof gebruikt, geplaatst op een grijze vloer naast een houten tafel en stoel. De kachel is groen met metalen beschermroosters en staat op een metalen plaat.
July 24, 2024

Alternative Ways to Heat Your Home

Read about the different alternative ways to heat your home, such as solar energy, heat pumps, infrared heating and pellet stoves. Learn how these sustainable heating options work, their benefits, and tips for implementation. For traditional kerosene heaters, we discuss the use of odorless heater fuel to minimize odor nuisance. This article provides practical tips and insights to reduce your energy costs and reduce your carbon footprint with environmentally friendly heating solutions.
Een lachend meisje met roze bril speelt met roze slijm tijdens een wetenschappelijk experiment.
July 23, 2024

Make your own slime with Borax (practical preparation)

Making your own slime with borax and PVA glue is a fun and educational experiment. This manual provides a step-by-step explanation, including required materials, safety precautions and the scientific theory behind the process. The experiment demonstrates polymerization and crosslinking, where borax acts as a crosslinker and turns the glue into elastic slime. The clear instructions allow students to learn and have fun in a safe way. Additionally, we answer questions about the role of borax, the effects of different amounts, and the use of other types of glue, providing a better understanding of the chemical reactions.
Kinderen dragen veiligheidsbrillen en kijken naar een demonstratie van het olifantentandpasta-experiment in een klaslokaal.
July 22, 2024

Making elephant toothpaste (practical preparation)

The elephant toothpaste experiment is a popular chemical demonstration in which hydrogen peroxide is broken down by a catalyst, resulting in spectacular foam production. This experiment is ideal for educational purposes and demonstrates how catalysts work. Materials include hydrogen peroxide (3% or 12%), liquid dish soap, dry yeast, food coloring, and warm water. Safety precautions, such as wearing gloves and goggles, are essential. The reaction produces a large amount of foam, making the experiment a fun and educational experience for children and adults.
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