1. Which of the Shading effect of aluminum foil Shading net and black net is better

1. Material comparison

Aluminum foil Shading net is a Shading material composed of multi -layer fiber mesh, aluminum foil, and PE anti -ultraviolet material. It has excellent ultraviolet -resistant, shielding, heat insulation and other properties, and has strong durability and compressive resistance.The black net is a Shading material made of HDPE material, which has the advantages of sunscreen, shielding, breathable, etc. Its advantage is that the price is cheaper and has good light transmission performance.

2. Comparison of Shading effect

The aluminum foil Shading net has a good Shading effect. Its special structure allows it to reflect the sunlight of the sun, reduce the direct radiation of the Solar, maintain temperature and increase water evaporation, thereby improving plant yield and growth quality.The anti -ultraviolet effect of this material is also excellent, which can effectively avoid the damage caused by ultraviolet rays to plants.The black net's Shading effect is slightly inferior to the aluminum foil Shading net, but for some occasions that need light transmission, the black net is a more suitable choice than the aluminum foil Shading net.

3. Select suggestions

When choosing a Shading material, we must first consider the application scenario. If the material is required to have anti -ultraviolet rays and Shading effects, it is recommended to choose an aluminum foil Shading net; if the material is better, you can choose the black net.In addition, the price of aluminum foil Shading net is relatively high. If the requirements are not high and the price is low, you can choose the black net, but you should pay attention to the quality of the material to avoid waste from buying inferior materials.

In summary, the aluminum foil Shading nets and black nets have their own advantages and disadvantages, and appropriate materials need to be selected according to actual needs.When purchasing, you should try to choose materials with quality and guarantee. Do not choose inferior products for cheap or other reasons, causing unnecessary economic losses.

2. How to distinguish the quality of the shade net

1. Material

The high -quality Shading net uses new polyethylene as the raw material, adding imported ultraviolet absorbers, antioxidants and good female mother production.

The inferior Shading net is made of recycling materials (old materials, flower materials) and inferior colors, and the ultraviolet absorbers and antioxidants are not added.

2. Appearance

The high -quality Shading mesh surface is flat, Smooth, shiny, uniform and clear with latitude and weft. In the sun, the color is black and black, the color is small, and the silk has no overlap.

The inferior Shading mesh surface is uneven, no gloss, no light, uneven latitude and weft, with gray black in the sun, large color difference, the silk mesh contains impurities, and the silk mesh overlap.

3, feel

High -quality Shading net feels soft, not rough, not stiff, and elastic.

The inferior Shading net has a rough feel, a bit stabbing, feels thick, and non -elastic.

4. Smell

The high -quality Shading net has no odor, and some are just a faint plastic scorching flavor.

The inferior Shading net is unpleasant, pungent, and plastic scorched flavor.

5. Quality

High -quality Shading nets have a Square gram of heavy gram, and the width and length are accurate. There are no holes in the mesh surface, no filament, strong single silk elasticity, and strong tensile ability.

The Square gram of the inferior Shading net is not standard, the width length is inaccurate, the mesh is hole, the silk is severe, and the single silk has no elasticity and no tensile force.

6. Life life

High -quality Shading nets have been used for more than 3 years under natural climatic conditions (excluding membrane, sulfur corrosion and polymeter areas).

The inferior Shading net is less than 1 year under natural climate conditions.

7. Economy

The high -quality Shading net is generally calculated according to the Square number, and the surface price is high.However, due to the light weight of the mesh, the actual length is accurate, the area is large, and the service life is long. It is much more affordable to calculate according to the service life of peace.

The inferior Shading net is generally calculated according to weight, and the surface price is low.However, due to the weight of the webbage, the actual length is insufficient, the use area is small, the service life is short, the labor cost is high, the cost of the shed is high, and it is not affordable.

[Umbrella Bone] What can I repair the umbrella Bone?

What material is good for the umbrella Bone

With the development of technology.The umbrella has also changed. From the previous oil paper umbrellas to the umbrellas that are now many.With the changes in the umbrella surface, the umbrella Bone has also changed. Most of the previous umbrella bones were wood and bamboo umbrella bones. Later, iron bones, steel bones, aluminum alloy bones (also known as fiber Bone), electric Bone and resinbone.

1 Advantages of aluminum Bone:Light weight and cheap price.

2 The advantages of chemical fiber Bone:Light weight and strong wind resistance.

3 Advantages of carbon fiber Bone:Light weight.Disadvantages: Wind resistance is average, and the price is the most expensive among all materials.

4 Advantage of wood Bone:Traditional Chinese umbrellas are often used.

5 The advantage of iron Bone:Strong and durable, the price is slightly more expensive than aluminum Bone.

How to repair the umbrella Bone

The place where the dark umbrella is easy to break is a small hat on the side. Those small hats are facing the steel skeleton on the inside, because the wind blows the skeleton folding and the hat eyes are loose.In this case, the solution is to find a little thin fabric or plastic, and tighten the hat eye and steel strip together tightly.In this way, umbrellas can be continued.

The skeleton steel bar of the Yulu umbrella is broken. This is also a common situation. When this happens, there will be one or multiple faces when the umbrella is opened.In this case, the solution is to find a pliers. It is best to use a pointed clamping and it will be more convenient, as well as iron wire.Observe carefully and find the iron hat that connects the disadvantages of the connection and replace it with a wire.Tighten it with pliers, and note that the head of the iron wire is screwed with an umbrella to scrape the umbrella surface.

There is also a situation that the position of the contraction card of the Umbrella is broken.After the umbrella is opened, I can't hold it automatically.You can't always push an umbrella with your hands!In this case, it is generally necessary to use a knife such as a fruit knife.The card position when it is opened is flattened, because the total use, as well as the damage of the wind, make the card position uneven and round, and the card can't hold the umbrella.Use a knife to flatten the plastic card position to solve it.The general problems with these methods can be solved.

In addition to the above situations that need to be repaired, the Yellow Umbrella needs to be maintained: the winding wire bending of the umbrella Bone is easy to cause the wire Bone, which can directly pull the iron wire with the hand to avoid the rivet falling off or the umbrella cloth pierced; in the umbrella in the umbrella;The handle is rusty, which is easy to cause the opening and closing. Use a small screw or the toothpick to dip the lubricant to drop the middle handle joint, and then open it several times.The structure is so simple.No matter how big the problem is, there is no need to repair it again.

I believe that after watching the common faults and maintenance of the Yulu umbrella, you can get some maintenance tips.Umbrellas can not only shade the rain, but also shrink and easy to carry.For students, it is the most reliable to prepare an umbrella in a schoolbag.However, after using the umbrella on a rainy day, be sure to remember to dry it before receiving it. In this way, the umbrella handle of the umbrella will not be so easy to rust.Essence

When should I use a sunshine?

1. The indoor (outside) temperature reaches or exceeds 29 C.

2. Solar radiation intensity & gt; 240kcal/m2 h (1004.6kj/m2 h).

3. The depth & gt; 0.5m in the sunlight.

4. The inner time of the sunlight is more than 1h.

What are the main points of sunshade shed?

1. The Shading cannon is suitable for Shading outside the doors and windows of low -rise and multi -storey buildings, and should not be used outside the high -rise building.

2. The material, thickness, specifications and forms of Shading materials, the form and specifications of the fixed device, the power of the motor (when using the electric), the wind pressure of the use of the place is related to each other., Ask professional manufacturers to obtain relevant technical information, and choose after comprehensive consideration.

3. The connection practices of the Shading system and the building subject, lightning protection measures, etc. involving safety issues must be determined and responsible for the engineering design personnel based on the specific engineering situation.

4. Anyone with a long -choir of rolling boxes should consider the impact of placing different locations on the energy saving of the wall.

5. For systems that are equipped with automatic control, generally requirement of risk control and rain control induction device, light control can be selected according to specific conditions.Manual driving method is generally not suitable for Shading that often unmanned places.

6.The fabric is recommended to use dark (or the dark surface of the fabric faces the Outdoor) to achieve a better Shading effect.

The requirements for the fabrics of the sunshade

Types of fabrics: polyester coating fabric, glass fiber coating fabric.

1. The fabric should ensure that the size is constant and non -deformation.

2. The surface of the fabric is Smooth and Smooth to ensure the collection of rolls freely, and prevent the fabric from Running off, wrinkles, or unsatisfactory scrolls.

3. The fabric should have sufficient tensile and tear resistance to prevent the risk of being torn under harsh climate conditions.

4. The connection between the fabric should be a hinge -frequency welding process to ensure that the fabric has sufficient strength.

5. The fabric should ensure good color solidity.

6. The surface of the fabric should have a certain anti -pollution performance, easy to clean, and simple and convenient maintenance.

What is the difference between sunshade and sunshade

1. First of all, in terms of shape, the shade pim was like an umbrella, with a small shape and less places that can be covered.The Shading shed is large, and there are more parts that can cover the sun.

2. Secondly, in terms of usage, sunshade is generally used by the beach or swimming pool, suitable for individual Shading.The sunshade is generally applicable to the Shading of propaganda activities such as stalls and places, and it is suitable for collective Shading for collective and more people.

3. In the end, the sunshade generally requires four brackets to support it, and the transportation is cumbersome. Unless there are large activities, it is generally not used.The sunshade can be opened directly, which is more practical in daily life.

Mooth classification of Sunglasses lenses

1. glass lens

The glass lenses are often exposed to it. The most prominent advantage of glass lenses is that its optical properties are very stable. This is the usual advantage of glass lenses. It is the same on frame glasses.Affected by the pressure of the framework.The disadvantage of glass lenses is that it is easy to break, and it is easy to cause damage to the eyes.At present, the newly developed enhanced glass lenses are more prominent than ordinary glass lenses, and they are also considered a safe lens.

2. Polarized lens

This is a lens used on polarized Sunglasses. The polarization principle of light is used. In the future, the glare obstruction of the parties will be separated from the lens to make the sight clearer and safer when driving.In 1937, Dr. Edwinland in the United States invented this lens and was widely used in polarizing Sunglasses, and he also created his own Pokmon company.

3, color change lens

Also known as sensitive lens, due to the change of light, the color of the lens changes accordingly, so that the eyes can adapt to different environments. Under the strong light, the color of the color changing lens will deepen.EssenceThis kind of lens has been used in myopia Sunglasses. This kind of Sunglasses in the form of color -changing lenses are also considered to be the most convenient and most beautiful myopia Sunglasses, which is more popular than clamping.

4. Plastic lenses

This is the material that many Sunglasses brands like very much. Light and not fragmented are its most obvious features. The functions of non -processed plastic lenses are significantly better than glass lenses.EssenceThe disadvantage of plastic lenses is that its wear resistance is easier to scratch. When the lens is impacted, it is also easy to deform, so it should be more careful about its maintenance.

There are three main types of plastic lenses, namely resin lenses, PC lenses, and acrylic lenses.

5. Resin material Sunglasses lens

Friends who often wear glasses must have heard of resin lenses, but what are the resin lenses?Resin (CR-39) is actually a chemical substance of the phenolic structure. It is refined from the phenolic components in oil. The characteristics are light weight, high temperature resistance, strong impact resistance, and can effectively block ultraviolet rays.The great advantage of resin lenses in Sunglasses is that it is easy to color. Many fashionable Sunglasses use resin lenses to favors the characteristics of coloring.But the resin lenses are poor and impact.This type of Sunglasses have a wide range of use and strong decorative effects. It is a good choice for fashion people.

6. PC material Sunglasses lens

PC refers to polycarbonate, a type of plastic (PC). It is a polymer polymer containing carbonate groups in the molecular chain and PC material. In short, it is a Sunglasses material material.There are high -end points, PC films commonly used by professional athletes and colorless or colorless plastic sheets.It is characterized by lightness and good coloring performance. The disadvantage is that the abrasion resistance is low and the optical properties are unstable.PC -made Sunglasses are more suitable for sports people and drivers.

7. AC film (acrylic lens)

It has excellent and tough characteristics, has a high perspective rate, has good anti -mist resistance, the lowest cost, the material is crispy, the rupture may have crumbs, and the stability of optical indicators is average.

8. nylon material Sunglasses lens

nylon Sunglasses are used in sports brands Sunglasses and high -quality big -name Sunglasses. It has high elasticity and excellent optical quality, and has a strong resistance to impact.Professional protection function.However, nylon lenses have poor wear resistance and high production costs.Such Sunglasses are more suitable for people for sports or professional protective mirrors.

9. Tac material Sunglasses lens

TAC Sunglasses are relatively widely practical in China. TAC (triax cellulose, TriaceTyl Cellulose), which is complicated, is one of the high molecular materials with high penetration.TAC has the characteristics of Sunglasses, which has the characteristics of acid -resistant type, light texture, and high cost performance.However, the abrasion resistance has become a soft foot of TAC lenses, and it has its less stable optical characteristics. Although the price of TAC lenses is low in price, it is eventually discarded by most well -known foreign brands.

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1. What kind of sunshade mesh and web needle is more solid

The flat needle Shading net has a closer structure, smaller acupuncture pitch, stronger and durable, longer service life, good toughness, not easy to break, and strong wear resistance.The network needle is resistant to corrosion, which can be used in humidity, and at the same time, ventilation is better.Therefore, the specific choice of the Shading net should be selected according to the environment and requirements.

2. Which sunscreen mesh and oblique needle is durable

The durability of the oblique needle.The Shading net with the same material and needle is better to choose a diagonal needle.Because the oblique needle is more firmly woven, it is not easy to occur during use and damage.Relatively speaking, the durability of the flat needle is not strong, so it is recommended to choose the oblique needle when choosing a Shading net.The oblique needle's Shading net has a good effect on disaster relief and income. During the use process, it must be straightened, tightened, and flattened. There must be no low places. Otherwise, it is prone to stagnant water falls on rainy days, causing the net to be damaged.

3. precautions for Shopping.com

1. When buying a Shading net, many people are very easy to buy a net with a high shielding rate, which is mistaken for the high shielding rate.However, too high shielding rate causes weak light in the shed, reduced photosynthesis of crops, weak stems, and long -term problems, which reduces the production of crops.So try to choose the Shading rate as low as possible when choosing a Shading net.

2. When buying a Shading net, try to choose a guarantee product with big manufacturers and brands, and determine the use of products that have been used for more than 5 years on the greenhouse.

3. The thermal contraction characteristics of the shade net are easily ignored. The most contracted in the first year, about 5%, and gradually become small.With its contraction, the shielding rate will increase.Therefore, it is necessary to consider its thermal contraction characteristics when using a card slot.