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The term ‘foam’ actually refers to any kind of material that is formed by locking in multiple gaseous bubbles in a liquid or solid. foam manufacturers produce several different varieties of foams including polystyrene foam, polyurethane foam and polyethylene foam.
All common commercial foam varieties have several excellent properties including cushioning, insulating, vibration dampening and buoyancy inducing properties though each have their own specific uses. From furniture seats to packing material, from carpets to insulation, the use of foam is truly wide-ranging. However, most of us don’t think about what happens to all that packaging materials and/or old mattresses after we finish using them.
Nevertheless, recycling is an issue all of us need to take seriously. The world we are living in is fast getting over-polluted and depleted of its resources and it is up to each of us to ensure that our remaining resources are carefully husbanded and used wisely.
Polystyrene foam in particular is a major environmental hazard and polystyrene foam manufacturers are the fifth major producer of hazardous waste in the United States. However, there are still some specialized recycling facilities that handle the safe disposal of such foam and with a little time spent searching online will soon locate the one closest to your location. One major use of recycled polystyrene foam is as insulation for building and repairing homes.
Fortunately, except for Polystyrene foam most commonly used foam varieties are environmentally friendly and recyclable. Polyethylene foam products for example are stamped with number four recycling logo, meaning that they can be recycled in specialized recycling facilities.
Items that can be produced from recycled Polyethylene foam include shipping envelopes, trashcans and liners, compost bins, paneling, floor tiles, etc. Polyethylene foam waste agglomerates formed during manufacturing can also be reintroduced into the production the production process and is commonly used in injection molding.
Finally, polyurethane foam can be recycled in two ways: regrinding and flexible foam bonding. The re-grinding process is self-explanatory and involves grinding used polyurethane into a powder and then using that to produce new foam. Flexible foam bonding is a similar process involving the shredding and re-bonding of polyurethane pieces to produce new foam products.
Common recycled polyurethane products include home decorations such as picture frames, moldings and trims, and garden supplies. Recycled foam technology is also used for creating synthetic turf for stadiums and playgrounds. |
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