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FAQ
- The types of plastic bags commonly used for packaging agricultural products include polyethylene bags, high-density polyethylene (HDPE) bags, low-density polyethylene (LDPE) bags, and biodegradable bags.
- I have a lot of german garten zwerge[little gnomes]have a lot of black spots from being outdoors,I guess how do I get rid of them.I heard a good plastic cleaner might do it.
- They are products already available in the market. You can buy on stores like Walmart. If you have it around the house, kerosene is good for this purpose and will not damage the plastic. Good luck...!
- Yes, agricultural plastic products are commonly used in vertical aeroponic systems. These systems often utilize plastic materials for various components such as containers, growing trays, and irrigation systems. The use of plastic in vertical aeroponic systems helps provide durability, flexibility, and cost-effectiveness in maintaining an efficient and productive growing environment.
- 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...
- Some ground cover options for wet, boggy areas include marsh marigold, ferns, sedges, and mosses. These plants are adapted to thrive in moist conditions and can help stabilize the soil while adding beauty to the area.
- Plastic plant pots can be recycled for sustainability through a process that involves collecting the pots, sorting them by type of plastic, cleaning them, shredding them into small pieces, melting the plastic, and then reforming it into new products. This recycling process helps reduce the demand for new plastic production and minimizes waste, contributing to a more sustainable environment.
- Yes, nursery trays can be used for starting succulent leaf cuttings. Nursery trays provide a suitable environment for propagating succulent leaves, allowing for proper drainage and airflow. It is important to use well-draining soil and mist the cuttings occasionally to maintain moisture levels.
- Yes, ground cover can be used to create a natural-looking lawn alternative. By selecting low-growing plants that spread and fill in spaces, such as creeping thyme or clover, a lush and green ground cover can be established. This alternative not only adds beauty to the landscape but also requires less maintenance, water, and chemicals compared to traditional lawns.
