Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibers from wood, fiber crops, waste paper, or rags. Many kinds of paper are made from wood with nothing else mixed into them. This includes newspapers, magazines and even toilet paper. Pulp is one of the most abundant raw materials.
Pulp is a generic term for a wide range of technically distinct products resulting from complex manufacturing processes that involve the chemical and/or mechanical treatment of various types of plant material. Wood currently provides the basis for the vast majority of global pulp production; the remaining begins as straw, bamboo, bagasse, kenaf, flax, hemp, cotton etc. Pulp is used predominately as a major component in the manufacture of paper and paperboard.
Plastic is an essential component of many items, including water bottles, combs, and beverage containers. Knowing the difference, as well as the SPI codes, will help you make more informed decisions about recycling.
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Pulp and Plastic Components come in a variety of forms:
The pulping process can be defined under the following terms: Mechanical Pulps, Stone Groundwood (SGW), Refiner Mechanical Pulp (RMP), Thermomechanical pulp (TMP), Chemi-thermomechancial pulp (CTMP), Chemical Pulps Kraft (sulphate) pulp, Eucalyptus, Other Or Tropical Hardwood, Sulphite pulp and Semi-chemical pulp.
The seven types of plastic include: Polyethylene Terephthalate (PETE or PET), High-Density Polyethylene (HDPE), Polyvinyl Chloride (PVC), Low-Density Polyethylene (LDPE), Polypropylene (PP), Polystyrene or Styrofoam (PS), Miscellaneous plastics (includes: polycarbonate, polylactide, acrylic, acrylonitrile butadiene, styrene, fiberglass, and ...).