Maya Ellison
Plastic protractors are a handy tool for measuring angles, but they can be fragile and prone to breaking. While some users have reported that their plastic protractors are durable and hard to break, others have experienced issues with the product's durability, finding that it breaks easily. To avoid breakage, it is important to handle plastic protractors with care and avoid applying excessive force or pressure. Additionally, exposure to high temperatures can weaken plastic, making it more susceptible to breakage. If your plastic protractor does break, it may be possible to repair it using a soldering iron or by adding extra plastic to the affected area.
| Characteristics | Values |
|---|---|
| Avoid high temperatures | Plastic can lose its original properties and become weaker, breaking more easily. |
| Avoid tension | Plastic can break under tension. |
| Soldering | Soldering can be used to repair broken plastic, but it may not work on decomposing plastic. |
| Use | Avoid pressing the protractor into books or other objects. |
| Thickness | Thicker plastic is less likely to break. |
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What You'll Learn
Avoid exposing it to high temperatures
When it comes to preserving the integrity of your plastic protractor, avoiding exposure to high temperatures is crucial. Protractors are precision instruments, and the material they are made of can be sensitive to extreme heat. Here are some detailed instructions to ensure you avoid heat-related damage:
- Keep it away from direct heat sources: Never place your protractor near sources of direct heat like stoves, ovens, heaters, or open flames. Even if you are not using your protractor, avoid leaving it in areas where the temperature may rise significantly, such as a car dashboard on a hot day. The extreme heat can cause the plastic to warp or become brittle, leading to inaccurate measurements and breakage.
- Avoid prolonged exposure to sunlight: While natural light is generally not an issue, prolonged exposure to direct sunlight can heat up the protractor and cause damage. If you are working in a sunny environment, ensure your protractor is stored in a shaded area when not in use. Similarly, avoid leaving it in direct sunlight when not in use, such as on a windowsill, as this can lead to warping over time.
- Be cautious when using hot liquids: Hot liquids, such as tea or coffee, can also pose a risk. Avoid placing your protractor near cups or mugs containing hot beverages. If you are working in an area where hot liquids are present, take extra care to avoid any accidental spills that could damage the protractor. Always ensure hot drinks are kept away from your work area to minimize the risk.
- Store it in a temperature-controlled environment: Ideally, store your protractor in a cool, dry place where the temperature remains relatively stable. Fluctuations in temperature can also be harmful, so avoid places that may experience extreme changes, like an uninsulated garage or outdoor shed. A desk drawer, shelf, or storage container in a temperature-controlled room is usually the best option.
- Consider the temperature when transporting it: If you need to transport your protractor, especially over long distances or in hot climates, take steps to ensure it remains cool. Do not leave it in a hot car, and consider insulating the storage container or carrying case to minimize temperature changes during transit.
By following these instructions, you can significantly reduce the risk of heat damage to your plastic protractor, ensuring it remains accurate and durable for a long time. Remember, while plastic protractors are convenient and affordable, they do require some care to maintain their precision.
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Avoid placing it under tension
Plastic is susceptible to breaking under tension, especially when it is too thin. Therefore, to avoid placing your plastic protractor under tension, refrain from applying pressure or force that may cause it to bend or snap.
For example, do not press it forcefully against books or other objects when measuring angles, as this can induce stress and increase the likelihood of breakage. It is also advisable to avoid storing heavy objects on top of your protractor, as the weight may exert tension and compromise its structural integrity.
Additionally, be cautious when measuring angles on uneven surfaces. Applying force to a plastic protractor on an uneven surface can create leverage points that concentrate tension in specific areas, making them more prone to cracking or breaking.
Furthermore, if your plastic protractor has a hollow centre, avoid gripping it too tightly. The hollow design may provide a comfortable grip, but excessive force can deform the shape or even cause breakage.
To summarise, the key to avoiding tension-related breakage is to handle your plastic protractor with care and avoid subjecting it to excessive force or pressure. By doing so, you can minimise the risk of breakage and extend the lifespan of your tool.
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Avoid pressing it into books
Plastic protractors are prone to breaking, especially when they are thin. One way to avoid breaking your plastic protractor is to avoid pressing it into books. This is a common cause of breakage, as the pressure exerted on the protractor when pressed into a book can cause it to crack or snap.
If you need to measure an angle in a book, it is better to use a larger protractor that can lie flat on the page, rather than a small protractor that needs to be pressed into the book. You can also try using a clear plastic protractor, which can help with accuracy and ease of use.
Another way to avoid breaking your plastic protractor is to handle it with care. Avoid applying too much pressure or bending it, as this can cause the plastic to crack or break. It is also important to store your protractor in a safe place, such as a pencil case or a drawer, to avoid accidental damage.
Additionally, it is important to consider the quality of the plastic protractor. Some protractors are made of stronger and more durable plastic than others. Reading reviews before purchasing a protractor can help you determine its durability and whether it is likely to break easily.
By avoiding pressing the protractor into books, handling it with care, and choosing a durable product, you can help prevent your plastic protractor from breaking.
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Avoid dropping it
Plastic protractors are known to break with little effort, so it is important to handle them with care to avoid dropping them. Here are some tips to avoid dropping your plastic protractor:
When using the protractor, hold it gently but firmly to ensure a secure grip. Avoid applying excessive force or pressure, as this can not only increase the risk of breakage but also affect the accuracy of your measurements.
Always be mindful of your surroundings when working with a protractor. Keep your workspace clear and organised to minimise the chances of knocking into objects and accidentally dropping your protractor.
If you need to carry the protractor with you, consider storing it in a protective case or pouch. This will not only protect it from scratches but also reduce the risk of it falling out and breaking if you need to take it with you on the go.
In a classroom setting, especially with younger students, it is advisable to supervise the use of plastic protractors. Teachers can provide guidance on proper handling and emphasise the importance of being careful to prevent breakage.
Lastly, consider the quality of the plastic protractor. While plastic protractors are convenient and affordable, investing in a higher-quality protractor made from more durable materials may be worthwhile if breakage is a frequent concern.
By following these suggestions, you can significantly reduce the chances of dropping and breaking your plastic protractor. Remember, handling any precision instrument requires care and attention to ensure its longevity.
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Choose a thicker plastic option
To avoid breaking your plastic protractor, you could opt for a thicker plastic option. Thicker plastic is often more durable and resistant to punctures or tears. The thickness of plastic sheeting is measured in mil, with one mil being equal to one-thousandth of an inch (0.001 inches).
For example, 2 mil plastic sheeting is suitable for light-duty tasks, while 3 mil plastic sheeting can provide moderate protection for construction and DIY projects. If you're looking for something more durable, 4 mil plastic sheeting is a good option for temporary weather protection, and 6 mil plastic sheeting is perfect for heavy-duty tasks like vapor barriers and crawl space encapsulation.
In the context of protractors, thicker plastic options may be more durable and less prone to breaking. While there aren't specific thickness measurements provided for protractors, opting for a slightly thicker plastic version may increase its longevity.
It's worth noting that the durability of plastic protractors also depends on how they are used and handled. Some users have mentioned that these protractors don't crack easily, while others have noted that they break with little effort, especially in the hands of younger students.
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Frequently asked questions
Plastic protractors are more likely to break if they are exposed to high temperatures, so keep them away from heat sources.
If you keep your protractor in a pencil case, avoid putting heavy objects on top of it, as this can cause it to crack or break.
You can try to fix broken plastic by welding it with a soldering iron. However, this may not work if the plastic is too thin or has already started to decompose.
