Spoke material
The material from which the spokes of the umbrella are made. It may differ from the frame material (see the relevant paragraph), which is why this parameter is given separately.
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Steel. One of the most common knitting needle materials. In modern umbrellas, different grades of steel can be used, differing in price and quality; usually, this moment directly depends on the price category of the umbrella. However, anyway, this material is strong enough, resilient, reliable and durable, and is relatively inexpensive. The main disadvantage of steel can be called a relatively large weight.
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Aluminium. Compared to steel, aluminium is distinguished, on the one hand, by its lower weight, and, on the other hand, by its relatively low strength. As a result, it is relatively rare, mainly in children's umbrellas and low-cost "adult" models.
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Fibreglass. A material based on a fibre of thin glass threads. Differs in rather high durability and reliability. However, the main advantage of this material can be called the ability to bend well without damage, which allows such knitting needles to normally endure turning the dome inside out. This is especially important for
storm umbrellas(see above), although it will be useful for a regular umbrella. However, such knitting needles are more expensive than the same steel ones.
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— Fibreglass. Composite material made of glass fibre filled with plastic. It is similar in properties to the fibreglass described above, however, on the one hand, it is cheaper, on the other hand, it is somewhat inferior to it in terms of performance, including the same flexibility.
— CFRP. Composite carbon fibre material with plastic filler. With a small weight, carbon fibre is highly durable, however, it also costs accordingly, which is why it is relatively rare.Length (folded)
The length of the umbrella when folded. For the decomposed one, this parameter is not specified, because is not critical, but when transporting a closed umbrella, it is the length that is the most important dimension.
The length of cane umbrellas (see "Type") is, by definition, the same when open or closed; most often it is 60 – 90% of the dome diameter (see above). But folding models of the same diameter can vary markedly in length, and here the choice depends on the situation: on the one hand, more compact umbrellas are more convenient to carry, on the other hand, they are less reliable and more complex in design, and also cost more.
Handle material
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Plastic. As a material for umbrella handles, plastic is very practical: it has a low price, is resistant to moisture, and its strength, although lower than that of metals, is quite sufficient in this case, especially since there are many varieties of this material on the market, including number and are very durable. It is also worth noting the low thermal conductivity of plastic — it does not "cool" the hand in cool weather. Similar handles are used in umbrellas of all price categories.
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Tree. Wood, like plastic, does not conduct heat well and does not cool the hand, while many consider it more pleasant to the touch; Yes, and this material looks quite stylish. At the same time, wooden handles are somewhat more expensive, and their quality noticeably depends on the price category of the umbrella (although in a cheap product, the frame is more likely to break than the handle).
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Skin. In this case, of course, we are talking about a handle made of hard material (usually wood or plastic, see above), covered with genuine leather. Such a coating gives the pen a rich and solid appearance and well emphasizes the image of the owner — after all, leather is quite expensive. Of the practical disadvantages of this option, it is worth noting the exactingness of care — otherwise the material may lose its presentation.
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Metal.
...Metal handles are usually an integral extension of the central rod. They are very durable, besides they look stylish, but they tend to "cool" the hand and slip out of it — therefore they are rarely used, mainly in designer models.
— EVA foam. Handles in the form of a solid base (usually the same material as the frame), covered with a layer of ethylene vinyl acetate (EVA) foam. This coating is pleasant to the touch, does not slip in the hand and provides a secure hold. At the same time, for a number of reasons, this option is found mainly in premium models.Weight
Total weight of the umbrella.
All other things being equal,
lighter umbrellas are more convenient to carry (both in the open and closed positions). On the other hand, such products are less reliable and/or more expensive than relatively heavy models of similar design and size. We also note that in some cases, significant weight can be an advantage. For example, in a strong wind, a massive umbrella does not “tear from your hands” as much, and when released, it does not fly as far as a lighter one.