Material Selection

Resin & Application Expertise You Can Trust

We Process Over 150 Different Materials Annually

Plastics PolymerOne of the most important factors in manufacturing high quality plastic parts is selecting the right material for the job. Fortunately, advances in polymer science have expanded the selection of resins and various alternatives available, but knowing precisely which resin to use for your unique application is essential.

Rosti's experienced technicians lean on strategic relationships with resin experts to carefully evaluate your project, including the intended end use of the part. 

We mold over 150 different resins each year and specialize in the following:

  • PPS (Polyphenylene Sulfide)
  • PPSU (Polyphenylsulfone)
  • PSU (Polysulfone)
  • Acetal
  • PPO (Polyphenylene Oxide)
  • TPV (Thermoplastic Vulcanizates)
  • TPE (Thermoplastic Elastomer)
  • PP (Polypropylene)
  • HDPE (High Density Polyethylene)
  • LDPE  (Low Density Polyethylene)
  • High-temp resins
  • Highly-filled resins (glass, mineral, talc)
  • All engineering-grade Nylons 


Why Rosti?

We embrace the words of Thomas Edison: There’s always a way to do it better..find it. For close to 30 years, Rosti has been challenging the status quo through technology, automation and engineering expertise to provide our customers with a strategic partner for their “mission critical” injection molding needs.

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