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Plastics Materials
Materials used in plastics processing include plastics, thermoplastics or polymers, materials are the stuff of which molded and extruded parts are made. Broad subcategories include commodity materials such as polyethylene, polypropylene and PVC; and engineering materials such as nylon, acetal and ABS for applications requiring higher performance.

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ESSENTIAL READING
VIEW ALLHow to Optimize Injection Molding of PHA and PHA/PLA Blends
Here are processing guidelines aimed at both getting the PHA resin into the process without degrading it, and reducing residence time at melt temperatures.
Read MoreThe Effects of Time on Polymers
Last month we briefly discussed the influence of temperature on the mechanical properties of polymers and reviewed some of the structural considerations that govern these effects.
Read MoreThe Effects of Stress on Polymers
Previously we have discussed the effects of temperature and time on the long-term behavior of polymers. Now let's take a look at stress.
Read MoreTracing the History of Polymeric Materials, Part 26: High-Performance Thermoplastics
The majority of the polymers that today we rely on for outstanding performance — such as polysulfone, polyethersulfone, polyphenylsulfone and PPS — were introduced in the period between 1965 and 1985. Here’s how they entered your toolbox of engineering of materials.
Read MoreTracing the History of Polymeric Materials, Part 25: Silicones
The long road to the development of silicone resulted in a chemistry that is remarkably versatile.
Read MoreThe Importance of Melt & Mold Temperature
Molders should realize how significantly process conditions can influence the final properties of the part.
Read MoreLatest Materials News And Updates
‘Super’ Small Color Masterbatch Pellets for PVC
Delta Tecnic’s new SSP is manufactured using an advanced process distinct from traditional cryopellet production.
Read MoreExpanded Line of ‘Super’ Soft TPEs for Medical Devices
Kraiburg TPE has expanded its Thermolast M series of TPE compounds by additional hardness degrees.
Read MoreCJ Biomaterials Hires Leah Ford as Director of Marketing
Ford has background in biopolymer technology having worked for PLA bioplastics supplier NatureWorks.
Read MoreDow Revoloop Resins for Cable Jacketing With Postconsumer Content
Announced resins will incorporate recycled material.
Read MoreExxonMobil Launches New Materials Portfolio Brand
The Signature Polymers brand, which includes all polyolefins, is focused on delivering best-in-class service and partnership.
Read MoreBiomass Balanced LCP for Reduced CO2 Emissions and Improved Renewable Content
Polyplastics’ Laperos bG LCP is slated for commercialization in spring 2025.
Read MoreFeatured Posts
Prices Drop for All Five Commodity Resins
While PE price reductions were not as apparent, they too were following the year-end price trajectory of PP, PS, PVC and PET.
Read MorePolymer Science for Those Who Work With Plastic — Part 1: The Repeat Unit
What are the basic building blocks of plastics and how do they affect the processing of that material and its potential applications in the real world? Meet the repeat unit.
Read MorePrices Up for PE, ABS, PC, Nylons 6 and 66; Down for PP, PET and Flat for PS and PVC
Second quarter started with price hikes in PE and the four volume engineering resins, but relatively stable pricing was largely expected by the quarter’s end.
Read MorePart 3: The World of Molding Thermosets
Thermosets were the prevalent material in the early history of plastics, but were soon overtaken by thermoplastics in injection molding applications.
Read MorePrices Drop for PP, Largely Flat for PE, PS, PVC, and PET
While the major correction in PP prices was finally underway, generally stable pricing was anticipated for the other four commodity resins.
Read MoreLet's Take a Journey Into the World of Thermosets: Part 2
Most thermoset molding processes still treat the mold like a black box where the curing process is invisible and mysterious, and nobody knows what is happening to the material until the mold opens. That just isn’t so.
Read MoreMaterials Supplier Categories
- Polyphenylene Ether/Oxide-Based Resins
- Additive Manufacturing (3D Printing/Prototyping Materials)
- Starch-based Polymers
- Nylon - Type 6
- Polycarbonate/ABS Alloys
- PVC - Dispersion & Blending Resins
- Cellulose Acetate (Butyrate & Propionate)
- Polyester (Thermoplastic) - PETG Type
- Polyethersulfone
- Polyethylene - Adhesion Modified
- Recycled/Reprocessed Materials - Ground Flake
- Polyphthalamide (PPA)
- PVDC
- Polyphosphonate
- Acrylic/PVC Alloy
- Polycarbonate/Polyester Alloy
- PVC - Flexible Compounds
- Polyester (Thermoplastic) - PCT Type
- Thermoplastic Elastomers
- Polyamide, Aromatic
- Nylon - Type 69
- Ionomers
- Liquid Crystal Polymers
- Ethylene Plastomers
- Nylon/Polypropylene Alloys
- Nylon - Type Mxd6
- Ethylene Vinyl Alcohol (EVOH)
- Polyester (Thermoplastic) -PBT Type
- Polyarylether
- Prepregs (thermoplastic)
- Polyethylene - LLDPE
- ASA Copolymers & Alloys
- Nylon/ABS Alloys
- Polyarylate
- Polybenzimidazole
- Polysulfone
- Cyclo-olefin Polymers
- PVC - Rigid Compounds
- Polyester (Thermoplastic) - PTT Type
- Nylon - Type 610
- PVC - Chlorinated PVC (CPVC)
- Ceramic Fibers
- Continuous Fiber Rovings, Tows, Yarns
- Core Materials
- PHA, PHBV Biopolymers
- Carbon or Graphite Fiber
- Polyphenylene Sulfide (PPS)
- Nylon - Type 612
- Mineral Fiber
- Polyester (Thermoplastic) - Other Types
- Ethylene Vinyl Acetate (EVA)
- Acrylics
- Recycled/Reprocessed Materials - Bale or Bulk
- Fabric, Mat, Veil, Felt
- Stock Shapes - Film, Rod, Tube, Sheet
- Polymethylpentene
- Polyethylene - UHMW PE
- Polycarbonate
- Polyester (Thermoplastic) - PCTG Type
- Polyestercarbonate
- Nylon - Type 6/66 Copolymer
- Acrylic Copolymers
- Polyetherimide
- Syndiotactic Polystyrene (SPS)
- Polyarylsulfone
- PVC - Plastisols, Organosols
- Nylon - Type 11
- Aramid Fiber
- Polybutylene
- Polyetheretheketone (PEEK), Polyetherketone (PEK) & Other Polyketones
- Polyethylene - LDPE
- PVC - Suspension or Mass General-Purpose Resins
- Nylon - Amorphous
- Nylon - Type 46
- Polyphenylsulfone
- Nylon, PET or PP Fiber
- Acetal
- PVC - Copolymer Resins
- Acrylonitrile Copolymers
- Polyester (Thermoplastic) - PET Type
- Polyamide-imide
- Ethylene Copolymers & Alloys - Other
- Polyethylene - ULDPE/VLDPE
- Polyethylene - HDPE
- Expandable Polyolefin Bead
- Acrylic/Polycarbonate Alloy
- Polyimide (Thermoplastic)
- Polyester (Thermoplastic) - PCTA Type
- Fluoropolymers
- Nylon - Type 12
- Nylon - Type 66
- Polypropylene (including Copolymers)
- Polylactide (PLA) Polymers
- Recycled/Reprocessed Materials -Pelletized
- ABS (and ABS/PVC Alloy)
- Polyethylene - MDPE
- Biodegradable, Photodegradable Resins & Compounds
- UHMW-PE Fiber
- Glass Fiber
- Phenoxy
- Cellulose Acetate
- Polystyrene & Styrene Copolymers
- Nylons - Other
- Natural Fibers
- Discontinuous Fibers (Chopped, Milled, Staple)