Multi-span PC sheet greenhouse for study
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 10000 set/month
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Specifications
1- POLYCARBONATE GREEN HOUSE
2- Good for warm keeping.
3- Strong,Good Looking.
POLYCARBONATE GREEN HOUSE
1-Structure: Hot galvanized steel tubes, Triple-A Roof structure per bay. 15 year warranty.
2- Covered by twin-wall polycarbonate sheet.10 year warranty. Anti-storm. Anti-hail. Anti-Snow. Best material for warm-
keeping.
3-Strength: Long life ,Good looking, Warm keeping. Energy saving in winter.
4-Suitable for heavy snow place, flower market, expensive flower & vegetable planting, research center or restaurant.
Optional:
1-Outside&Inside Shading system controlled.
2- Cooling Pad & Fan system.
3-Auto-enviroment controlled panel.
4-Rounf Roof instead of Triple A-Style is available with simplified structure.
- Q: Does anyone know of any current Plastic Canvas Magazine subscriptions? I really want one!
- complex subject. search onto the search engines. it may help!
- Q: Plastic surgeons I want to know where to find...?Is their Any Free Background Check Sites on Doctors?????Looking into the plastic surgery are specifically are there any websites where you don't have to pay money to view if a Surgeon has any malpractice suits against them. Is the Better buisness bureau one of them? Any others available...doing research on this and need some serious answers.. Thanks in advance
- If you are willing to spend the money and take the risk on plastic surgery then be willing to spend the $9.95 it would take to check out the doctor. We have all seen the horror stories of botched plastic surgery jobs. Donda West just died due to the negligence of a plastic surgeon. If I were you I would run a real search and not rely on finding something free.
- Q: is there is any graph which shows phase transformation of plastic after heating then cooling.
- There isn't a phase transformation in plastic like there is in metals. When you heat treat plastic you are just annealing it. In other words the polymer chains are stretched and frozen during the molding process (or any process that melts and solidifies the material) and this creates stresses that when a chemical attack happens the plastic with fracture. When you anneal plastic your allowing stretched polymers to relax. Sometimes this will also cause your perfect part that is under great stress to become warped in its relaxed state. This can be resolved using fixtures when annealing the plastic. To anneal a plastic you need to take the plastic to about 20F below the ASTM D648 @ 66PSI and hold it there for approximately 1/2 hour at that temp. This is difficult if the plastic is very thick (4 blocks of plastic and you want to machine it.) If plasticis not annealed it is similar to having a 1 ton chain with a 1990 lbs hanging on the end of it. All you need is a small force added or a stress concentrator such as oxidation reaction to attach it and the thing will snap in front of you and you can hear and watch it happen. To view the stresses in plastic you can mold the plastic out of a clear polymer and then using 2 polarized sheets and a backlight the stress in the plastic will bend the light and you will see the coloration. These iso bars of color show the location of the stresses (which are typically at corners, gates and at the knit lines. people.rit.edu/andpph/text-polari...
- Q: Inquire if farmers can opt for biodegradable mulch as an alternative to conventional plastic mulch in agricultural practices.
- <p>Yes, farmers can use biodegradable mulch as an alternative to traditional plastic mulch. Biodegradable mulches, made from materials like paper, straw, or other organic substances, break down naturally over time, reducing environmental pollution. They can help retain soil moisture, suppress weeds, and improve soil health, similar to plastic mulches. However, their effectiveness and longevity may vary, and they might require more frequent replacement. It's important for farmers to consider the specific needs of their crops and local conditions when choosing between biodegradable and traditional mulches.</p>
- Q: Which could keep a high temperature surface cool: Metal or Plastic?
- Plastic is a thermal insulator. Metal is a thermal conductor. If you want to conduct heat away from the surface to cool it, then metal is better. If you want to insulate the surface to protect fingers when touching, then plastic is better. Plastic, as an insulator, will resist heat loss from the surface, so the surface temperature of the object might increase, but the surface of the plastic will be cooler than would be the surface of the metal. These comments assume that the hot surface is hotter than the environment into which the plastic or metal will face.
- Q: Are nursery trays suitable for starting plants from adventitious roots?
- No, nursery trays are not suitable for starting plants from adventitious roots.
- Q: Can agricultural plastic be used for plant support and trellising?
- Yes, agricultural plastic can be used for plant support and trellising. Agricultural plastic materials like trellis netting, plant ties, and plastic stakes are commonly used to provide support and structure to plants, especially in vineyards, orchards, and vegetable gardens. These materials are lightweight, durable, and flexible, making them ideal for creating trellises and supporting the growth of plants.
- Q: What are the different types of agricultural plastic films?
- There are several different types of agricultural plastic films, including greenhouse films, mulch films, silage films, and tunnel films.
- Q: This question asks if farmers can utilize agricultural plastics to enhance the soil's quality and fertility.
- <p>Yes, farmers can use agricultural plastics to improve soil quality and fertility. Plastic mulches can help retain soil moisture, suppress weeds, and regulate soil temperature, which can lead to increased crop yields. They can also reduce soil erosion and improve soil structure by protecting the soil from direct impact of raindrops. However, it's important to manage the use of plastics responsibly to avoid environmental issues such as plastic pollution and to ensure that the benefits to soil health are sustainable in the long term.</p>
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Multi-span PC sheet greenhouse for study
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 set
- Supply Capability:
- 10000 set/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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