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Saturday, April 28, 2012

Do Latex Foam Mattresses Outgas?

Do Latex Foam Mattresses Outgas?


Does Latex Foam Outgas?

Do Latex Foam Mattresses Outgas?

Do Latex Foam Mattresses Outgas?

Do Latex Foam Mattresses Outgas?


Do Latex Foam Mattresses Outgas?



Do Latex Foam Mattresses Outgas?

Outgassing, aka offgassing, is a process in which a solid releases gas which occurs in enclosed environMents such as offices and homes. This outgassing occurs in nature as well as within artificial products. Solids can issue gas for a amount of different reasons. Some feel bodily changes which cause transformation from solid to gas, with the gas being released as an end result. Others may have trapped gases inside as a succeed of the way in which they were formed, in which case the gas will gradually vent over time.

In the poly foam world, heat is a critical component for the expansion process and that heat is generated by the interaction of confident chemicals which cause it to heat up internally. When the vast poly foam core, aka "memory foam", is sent to the curing floor, outgassing will occur while this cool down process.

So does that mean that latex foam outgases?

No! either blended latex or natural latex, no chemicals are used to originate the heat needed for the expansion process to occur. Much like a waffle iron, the heat is generated by heating up the pincore tines that protrude into the mold where the liquid latex is being poured. The tines expand from the top of mold and from the bottom of mold and are heated externally by a thermal regulated SieMens control system. The latex mattress cores are then allowed to cure and cool down as they reach general room temperature. Both the artificial latex and the natural latex are inert and render No harmful outgassing characteristics. This is plainly a farce passed down from vendors trying to bad mouth blended latex in favor or the higher priced natural latex components.

There is a toxicity concern in relation to memory foam products. We've all seen the posts online about condition issues linked to the Tempur type visco beds and many of them are valid. either its actual offgassing or just the toxicity of the chemical composition, I don't in effect know for sure. What I do know is that when the culprit (memory foam mattress) was removed, the condition concerns went with it. These details are well documented online and within forums.

Now look at the construction of an Air bed. What you find is not only Air but tons of poly foams and memory foams layered over the Air chambers. This scenario is not any great since there is foam both on top and on the bottom and of course, all nearby the edges as well. Basically air beds are about 50% poly foams and your face is directly over foam cushioning, not the air chambers.

So in conclusion, the best way to take the outgassing issue off the table is to buy a latex foam mattress. Every type of spring mattress I have seen regularly includes are large amount of poly foam or memory foam or both. So either it's blended or natural latex, there is no wrong selection here. Any type of latex mattress is great than the alternative.

Do Latex Foam Mattresses Outgas?

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Tuesday, April 10, 2012

Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects

Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects


Here are many ideas for science fAir projects that are geared toward environMental awareness, renewable power and sustainable living.

Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects

Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects

Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects


Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects



Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects

Wind power Demonstration - Build a wind tower with small galvanic motor which generates power to do work or charge a battery. Use an external fan or hAir dryer to simulate wind. contribute supporting facts from major wind power manufacturers.

Renewables Survey - conduct a study on the best renewable power sources to use in your area, and recognize the opportunities and challenges to impleMenting such a plan. Interview providers, agencies, landowners.

Hydrogen Generation - Build a solar powered water hydrolyzer. Use a solar cell to split water into Hydrogen and Oxygen. Supporting facts would impart the Hydrogen economy and fuel cell powered devices.

Hydroelectric Power - Build a hydroelectric generator. Small scale to have falling water turn a turbine which generates electricity. study and docuMent the environMental tradeoffs of hydropower.

Biodiesel - generate biodiesel from discarded fryer oil. Show the reactions and the issues colse to using biodiesel in approved diesel vehicles. study new developments in biodiesel generation.

Concentrated Solar Power - generate a working model of a concentrated solar power (Csp) station. Discuss hot fluid flow and storage, load leveling.

Composting - accomplish an diagnosis of varied waste streams to understand the potential discount from composting (cafeteria, home, restaurant, etc.). Supporting evidence on uses of compost or organic matter in biofuels.

Cheapest / Greenest Batteries - reckon the life cycle cost of varied types of batteries in typical applications. For example, how many alkaline, rechargeable NiMh or Lithium Aa would be required to operate a digital point-and-shoot for 1 hour per day for 1 year. reckon the extended cost per year and portion the landfill and toxic metal offering in expanding to the total cost. Will want calculating life of varied battery types in varied applications.

Energy Audits - generate and execute an power audit in varied settings and exertion to portion the impact of varied changes. gain galvanic bills or other usage metrics and do before/after data analysis. Focus on definite areas such as ageement fluorescent (Cf) lighting or setback thermostats.

Smart Power Strips - Some devices are sold that will portion electricity consumption on definite outlets. think using them to reckon the effectiveness of smart power strips, and reckon the payback duration of a strip compared to the annual electricity usage avoided.

Carbon Footprint - reckon the carbon footprint of varied citizen you know. recommend ways for them to lower their footprint. account for the thought and correlate footprints of your users to those in varied places/countries.

Green Rooftops - Build a green rooftop and demonstrate the value in Food/plant yield and power savings.

Waste Biomass to Energy - study and conduct a seek of local agricultural or industrial processes that generate unused biomass that could be diverted to power yield through burning or ethanol production. touch the waste stream generators and interview to understand their issues and the status of biomass reuse.

Cellulosic Ethanol - Demonstrate the process and effectiveness of varied process or substances used to break down cellulose to fermentables for ethanol production. Ferment a operate and varied experimental settings and correlate the quantity of ethanol produced.

Clean Water - portion the water potential of varied water sources such as ponds, lakes and streams. Note the potential variations of some samples from the same source over time and from varied locations, such as upstream and downstream of an industrial site.

Landfill Gas Power - Demonstrate the generation of power from landfill gases. Build a sealed landfill with organic material. Capture and show the methane generated and impart applications of landfill gas used to yield electricity.

Animal Waste Power. Demonstrate the generation of power from animal waste. Similar to above but a miniature higher on the "gross" scale! gain statistics on total mass of beef, Pork and poultry waste generated in your country in one year and reckon the potential Mwh per year of electricity which could be generated. convert to currency.

Automobile Mileage Studies. portion the impact of varied mileage correction strategies. It helps to have a vehicle with a trustworthy instantaneous Mpg calculator. enunciate strict controls on ambient temperature, warmup, elevation change, wind and other nonvariables, and vary Tire pressure, acceleration rate, vehicle speed, total vehicle weight and other factors. Run manifold nonsequential trials for each and show variability within and across variable groups. Make conclusions on effectiveness of each variable. Predict a target Mpg from the blend of some factors and then experiment to see how close the actual values came to your predictions.

Electric vehicle Charging Station. Make a solar powered galvanic car recharging station. Using current tool specifications, reckon how large the station would need to be to recharge a current yield galvanic vehicle. evaluation the cost of construction and years of doing to reckon cost per kWh and correlate to conventionally-purchased electricity.

These are just a few ideas for combining Green with your next Science FAir project. Do Well!

Green Science Fair Projects - Creative Ideas For Environmentally Oriented Projects

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