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Why lpg stored in iron cylinders instead of rubbers and plastics?
LPG is stored in iron cylinders because iron is a strong and durable material that can withstand the high pressure at which LPG is stored. Rubber and plastics may not be able to handle the pressure or may degrade over time when in contact with LPG, posing safety risks. Iron cylinders are also more fire-resistant than rubber or plastic, providing an added layer of safety.
What are the differences between polymers and plastics?
Polymers are large molecules made up of repeating units, while plastics are a type of polymer that can be molded into various shapes. Not all polymers are plastics, but all plastics are polymers. Plastics are a subset of polymers that have additional properties, such as being lightweight, durable, and easily molded.
Can you melt plastics together with a soldering iron?
Yes, plastic can be melted and reformed, but all the precautions taken when making the original plastic item apply to "remaking" a new item from another one. We generally don't "recycle" plastic like this (though plastic bags can and should be recycled). Plastic fees stock is relatively cheap and color and composition can be controlled tightly by using new plastic as opposed to "used" plastic.
What 3 advantages of using corn-based plastics instead of oil-based plastics?
Using corn-based plastics reduces reliance on fossil fuels, which helps in decreasing greenhouse gas emissions. Corn-based plastics are biodegradable and compostable, resulting in less environmental impact and reducing plastic pollution. Additionally, using corn-based plastics can promote sustainable agricultural practices and support local farmers.
What is Red Iron Oxide used for?
Red iron oxide is commonly used as a pigment in various industries, including the manufacturing of paints, ceramics, plastics, and concrete. It provides a durable and vibrant red color to products. Additionally, it is used in the production of magnetic recording media and as a polishing compound in jewelry making.
How are biodegradable plastics made and what are the problems with them?
- Some plastics made from starch are biodegradable- Another bio-oxodegradable plastics contain a catalyst ( as iron oxide) which improve the degradation in contact with oxygen.Generally biodegradable plastics are as foils not containers.
How are concrete sewer pipes made?
Concrete and cast Iron pipes are made of cast iron and plastic piping systems normally use plastics
What are the main imports for Peru?
petroleum products, plastics, machinery, vehicles, iron and steel, wheat and paper
What are the three main types of pipes for plumbing?
Waste - Vent - water supplyMaterialsCopper - Cast Iron - plastics
What are the main exports and imports of Japan today?
steel iron electronics ships automoblies plastics machinery cameras
Why lpg stored in iron cylinders instead of rubbers and plastics?
LPG is stored in iron cylinders because iron is a strong and durable material that can withstand the high pressure at which LPG is stored. Rubber and plastics may not be able to handle the pressure or may degrade over time when in contact with LPG, posing safety risks. Iron cylinders are also more fire-resistant than rubber or plastic, providing an added layer of safety.
What products does Peru trade?
Peru's main export items are copper, gold, zinc, iron, and steel while its main import items are petroleum, plastics, machinery, vehicles, and iron.
What are Frances imports?
France imports oil, aircraft, vehicles, machinery, plastics, organic chemicals, iron, steel, and electrical machinery.
What are some of the chemicals in computers?
A computer contains many chemicals; among them:Brominated Flame Retardants in the circuit boardsSilicon in the processorMetals (as aluminium and iron) plastics, rubber, ceramics.For more, here is a pdf with GreenPeace testings: www.greenpeace.org/usa/assets/binaries/toxic-tech-testingMetals (aluminium, iron, etc.), rubber, plastics, ceramics.
What was the vikings type of metal and plastics?
the vikings used steel and iron as well as copper brass and bronze, silver and gold where used as jewelry and curency the vikings did not have any plastics but bone antler wood and horn replaces it veary well
What are Bulgaria's major imports and exports?
imported-metals and ores, chemicals, minerals, and plastics. exported-clothing, footwear, iron and steel, and fuels.
What are valves made out of?
Valves are made from metals, including brass, bronze, iron, steel, and alloys, as well as from plastics.
