RTP Company

Specialty compounder that provides custom solutions for injection molded applications, using reinforced and specially modified engineering thermoplastics and advanced composite materials.

580 E Front St.
Winona, MN 55987 US


As Seen In CompositesWorld

LT Compounds

RTP Company develops light and tough thermoplastic compounds
LT Compounds can accomplish weight reductions in parts molded with glass fiber reinforcement without compromising performance or requiring modifications to existing tools.

Delivering the potential of thermoplastic composites
Why has the adoption of TPCs been slower than expected, and who is best placed to accelerate it?

RTP Company facility in Poland

RTP Company adds facility in Poland
RTP Company, a compounder of custom engineered thermoplastics, has announced its expansion into Poland with a 7,990m2 facility located at Prologis Park V in Wroclaw.

PlastiComp hybrid carbon/glass compound

Hybrid composites: tailoring for specific performance
I received a link to an interesting technical paper presented at CAMX by AGY (Aiken, SC, US). It got me thinking about hybrid composites.

RTP Co. launches laser-markable compounds
A variety of polymers, including clear substrates, can be compounded to optimize laser marks, which eliminates the need for inks, paints and dyes.

Small companies, long-term impact
In a time known for owner “exit strategies,” longevity in family-owned composites businesses is heartening.

CAMX 2014 show report
Bigger, better and more inclusive than any previous U.S. composites trade event, the inaugural show turns North American eyes forward to the future.

Medical applications: A healthy market
Composites make advances in devices for medical diagnosis and treatments that promote healing and help return patients to active lives.

RTP establishes operation in Brazil
Engineered thermoplastics compounder RTP Co. opened a sales office and warehouse in Alphaville, Barueri, Brazil.

RTP bio-resins

Engineered bio-plastic compounds
RTP Company has introduced a line of engineered bioplastic specialty compounds that use resins derived from rapidly renewable resources.

SPE ACCE Exhibits

SPE's ACCE 2009 Show Preview
The Society’s 2009 Automotive Composites Conference & Exhibition charts an industry at a crossroads.

News briefs -- Dec. 16, 2008
Seminars for Engineers announces two composites seminars for 2009; RTP Co. adds quality assurance lab; Euroresins named to distribute PPG glass fiber; Plascore expands honeycomb for infusion and light RTM; Lawrence Kuntz named sales director at Park; NIAR adds WaterjetPRO machine; Fiber-line names Thompson vice president sales and marketing.

Additives Add Key Innovations
Added in small quantities, these resin system enhancements make larger contributions to composite quality as suppliers enhance their utility.

CNT compounds for thermoplastics
Specialty compounder RTP Co. (Winona, Minn.) has introduced new carbon nanotube (CNT) compounds for multiple resin systems, including polycarbonate (PC), polybutylene terephthalate (PBT), glycol-modified polyethylene terephthalate (PETG), polyphenylene sulfide (PPS), polyetherimide (PEI), and polyetheretherketone

Reinforced Thermoplastics: LFRT vs. GMT
As the suppliers of long fiber-reinforced thermoplastics and glass-mat thermoplastics battle for market supremacy, the winner is … the composites OEM.

PEEK sheet
RTP Co.’s Sheet and Film Div. (Winona, Minn.) has announced the availability of polyetheretherketone (PEEK) sheet stock in thicknesses that previously were available only in custom-made products. The new stock sheets come in 0.61m by 1.22m (2-ft by 4-ft) configuration and are available in five thicknesses, ranging

LNP Verton nylon 6

Thermoplastic Composites Making An Impact
Product/process developments accelerate use of long-fiber-reinforced thermoplastics in automotive and industrial markets.

Product Categories of RTP Company

  • Matrix resins, thermoplastic
    • Acetal
    • Acrylonitrile butadiene styrene (ABS)
    • Liquid crystal polymer
    • Nylon (polyamide)
    • Polybutylene terephthalate (PBT)
    • Polyarylene ketone, sulfide
    • Polycarbonate
    • Polyester (PET)
    • Polyether ketone family (PEK, PEKK, PEEK)
    • Polyetherimide
    • Polyethersulfone
    • Polyethylene
    • Polyethylene terephthalate (PET)
    • Polyimide
    • Polyphenylene sulfide (PPS)
    • Polypropylene
    • Polystyrene
    • Polyurethane
    • Styrene monomer (diluent)
    • Other thermoplastics
  • Compounds
    • Thermoplastic, long fiber-reinforced (LFRT)
    • Thermoplastic, short fiber-reinforced
    • Other compounds
Fabricating services
  • Thermoplastic materials
    • Custom compounding and blending