Plastic Scrap Prices

matt
March 29, 2011
 
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An essential aspect of trading plastic scrap determining prices. There is no set value to plastic scrap. There is no blue book value as in selling used vehicles. Plastic scrap prices move up and down like stocks. To be a successful plastic trader, you need to buy low and sell high. To be a successful recycler, you need to sell at the highest possible price. The key to being successful in this industry (probably true for all businesses) is finding the most suitable buyer for your type and quality of recycled plastic.

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Import / Export Plastic Scrap into China

matt
March 27, 2011
           
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Ultimate Guide to Importing & Exporting Plastic Scrap into China

The process of importing and exporting plastic scrap to China can be confusing at first. However, in the end, when you figure everything out, it can be quite rewarding. Essentially, by shipping your recyclables directly to processors in China, you’re cutting out several layers of middlemen.

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What is Acrylonitrile Butadiene Styrene (ABS)?

matt
March 23, 2011
       
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What does ABS stand for?

ABS is an acronym for Acrylonitrile Butadiene Styrene, a copolymer thermoplastic manufactured from the polymerization of Styrene and Acrylonitrile in the presence of Polybutadiene.

What is ABS’s plastic number?

ABS does not have its own plastic number. Products made with ABS use recycling number 7, which represent “other” plastic types.

You may find ABS products marked with a recycling symbol and “ABS” written inside or beneath it.

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What is Extrusion Molding?

matt
March 23, 2011
   
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What is Extrusion Molding?

Extrusion molding is a manufacturing process transforming thermoplastics into products like plastic sheets, pipes, tubes, drinking straws, optical fibers, curtain rails, etc. Extruded products are usually long with consistent cross section.


What is the extrusion molding process?

If you can imagine how spaghetti is made, molten plastic is squeezed through a shaped orifice, typically a custom made and designed steel die in the shape of the cross section of the intended final product. The extrusion process produces a continuous work piece; refer to the diagram below.

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What is Stretch Blow Molding?

matt
March 22, 2011
   
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What is the stretch blow molding process?

Stretch blow molding is a two stage process similar to injection blow molding. First, a test tube like preform parison (pictured above) is injection molded in-house, or the preform parison can be purchased from an outside vendor. The neck of the preforms is fully finished (with threads) but the diameter and length of the body are much smaller than the final product. The thermoplastic preform then undergoes a reheat process (usually via infrared heaters) and is stretched and blown against the mold. This process is sometimes referred to as “reheat and blow molding” process, RHB for short. Below is a step by step diagram of the stretch blow molding process:

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