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What kind of plastic foams are best for your needs

by: Ispas Marin

Nowadays, when you are thinking about accomplishing your hobbies generally consisting of model building, you couldn�t have missed the basic materials for it, which are called foam plastics. They can be used even in boat modeling, yet there are many things you should not forget when thinking about using them because there are several types, each one having different characteristics.

We can name three types of these foam plastics: the rigid Styrofoam, the rigid polyurethane foam and the beaded Styrofoam. The rigid Styrofoam and the rigid polyurethane foam have similar properties and can be given many shapes, while the beaded Styrofoam can be used only to shape angled and squared forms. You may recognize it whenever you buy an electrical device as this comes covered in the third type of the foam plastics: the beaded Styrofoam.

The second type of the foam plastics, the rigid polyurethane is a material of a light-brown color; it is alike the Rigid Styrofoam ,yet there are two main differences between them: this one will not dissolve whenever coated with polyester resin, and the second difference is that it is impossible to be cut with a hot wire cutter( a specific tool used by modelers in their work).

The first type of foam plastics, the rigid Styrofoam presents the opposite characteristics of the rigid polyurethane: it can easily be dissolved when coated with polyester resin and a hot wire cutter can be used to give different forms of this material. Moreover, the beaded

Styrofoam cannot be altered by means of carving but a hot wire cutter can be used to obtain carved shapes.

There were several doubts regarding the way you find these materials and the purpose of the article is also to clarify this aspect: the rigid polyurethane is generally sold in panels of 4X8 foot sheets; this is the case of the beaded Styrofoam too. The Rigid Styrofoam can be found in pink and blue(the pink type is less dense than the blue one and easier to carve with a hot wire cutter), its thickness being 1 or 2 inches.

In what concerns the price of the materials, you should know that Beaded Styrofoam is the cheapest as its properties are limited, while the Beaded Styrofoam is the most expensive(can be found only at commercial plastic suppliers). The rigid Styrofoam has a medium price as it combines the properties of the other two foam plastics: it can be sanded, carved, sawed or cut with the hot wire cutter mentioned above. This tool is similar to a scroll saw consisting of heated nichrome wire replacing the saw blade, enabling you to cut in any direction.

All in all, the three materials come in hand when performing your task: both advantageous and easy to work with, these foam plastics represent the key elements of model-building. In addition, the hot wire cutter is an advantage to your work as it can easily deal with the foam plastics and it is accessible to everyone. This way, the satisfaction of your work is guaranteed.

For quality hot wire foam cutters, architectural foam, foam coatings, eps foam cutter, styrofoam hotwire manufactured and supported in the U.S.A. just visit http://www.hotwiredirect.com

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Keys to Responsible Recreation in the BackCountry
by: Chuck Fitzgerald

Having a good time is pretty high on everyone�s to do list, especially when surrounded by awesome views and super-awesome friends. We hike, bike, climb, camp, raft, fish, hunt, four-wheel, sleep and eat � among other things � in the backcountry. If not done properly, that�s a lot of wear and tear on our natural resources. Responsible recreation ensures future outdoor enthusiasts the opportunity to enjoy the outdoors as you have. Without a recreation code of ethics, our backcountry would become a thing of the past. Here are some universally agreed upon keys for having a good time � the right way.

-Take only pictures, leave only footprints. If you carry it in, carry it out. This will eliminate litter.

-Protect water sources from contamination. Use bio-degradable soap, or try hot water soap-less dishwashing, bathing and clothes washing. When using soap (even bio-degradable) and toothpaste, dispose of the wastewater at least 100 feet away from natural water sources, well or faucet water sources.

-Be a good neighbor - control your noise and your pets. Always keep your dog on a leash no longer than 6 feet, and away from public swimming areas. Barking and not cleaning up after pets leads to many complaints from other outdoor enthusiasts. Do not leave pets unattended.

-Be respectful of the natural environment � keep the trees and shrubs alive and growing. Nails and wires should not be used on trees because they can cause serious damage to trees. Burn damage will permanently scar or kill a tree.

-When hiking or biking, stay on designated trails. This keeps damage to vegetation and erosion in one place.

-Before leaving your campsite, clean your fire pit and your campsite. Make it as clean as you would want it if you were arriving that day. The next user will appreciate it.

Leave-No-Trace, www.lnt.org, offers the following Principles for Outdoor Ethics: Plan Ahead and Prepare, Travel and Camp on Durable Surfaces, Dispose of Waste Properly, Leave What You Find, Minimize Campfire Impacts, Respect Wildlife and Be Considerate of Other Visitors.

Here is the Tread Lightly!, www.treadlightly.org, pledge: Travel and recreate with minimum impact, Respect the environment and the rights of others, Educate yourself � plan and prepare before you go, Allow for future use of the outdoors � leave it better than you found it and Discover the rewards of responsible recreation.

Responsible recreation means having the common sense and the courtesy to enjoy the backcountry without spoiling someone else�s experience. Most outdoor enthusiasts understand this very well and spend a good deal of their time restoring, enhancing and conserving our backcountry. Have a good time when you�re outdoors, share these keys with your friends and use this information to Get It Right The First Time.

Get Outdoors!

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