About Us

MTI Polyexe Inc

MTI Polyexe is a US based fully integrated film release liner manufacturer and a proven innovator in silicone release coatings, silicone base films, and specialty engineered films for a wide range of industries as well as for proprietary, experimental, and exclusive applications.

Our capabilities include plastic film, blown film extrusion, base films, release liner, silicone coatings, silicone release liner, custom coating converting, plastics films, slitting rewinding, polyolefins including LDPE, LLDPE, HDPE, PP, EVA, EMA, POE, POP, TPO, and PP based elastomers.

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  • 2026

    MTI Polyexe Expands Capacity

    A 15,000+ square-foot expansion is expected to be completed at MTI Polyexe in early 2026

    The new building will include three 70-foot-high production bays engineered for
    three new extrusion lines and expanded warehouse space
  • 2025

    MTI Completes 3-Layer Coex Line Rebuild

    MTI complete s a full rebuild of its 3-layer coextrusion blown film line 
    including new control systems and winders

  • 2024

    New High Speed Slitter Installed

    MTI Polyexe deployed a new advanced 90 inch high speed slitter/rewinder

  • 2021

    MTI Polyexe doubles Sales

    Since the acquisition by Inteplast Group in 2016, MTI Polyexe has achieved a twofold increase in sales

  • 2019

    New Coater and Slitter Installed

    MTI Polyexe commissioned a state of the art
    86-inch-wide Silicone Coater and High-Speed slitter/rewinder

  • 2018

    MTI Polyexe builds $3M expansion

    The new building will be used for installation of new equipment to increase production capacity

  • 2016

    MTI Polyexe joins Inteplast Group

    In 2016, MTI & Polyexe Corp joined Inteplast Group as MTI Polyexe, Inc, part of Inteplast's World-Pak Division

  • 2014

    Shipping Product Volumes Grow

    By the end of 2014, MTI Polyexe had shipped 6 million pounds of product

  • 2008

    MTI and Polyexe gets an award and a patent

    MTI and Polyexe is awarded the 'Technology of the Year' by AIMCAL for traction films. The company was also awarded a patent for double- sided traction films

  • 2007

    MTI and Polyexe merge

    In 2007, the two companies combined as a single operating entity, MTI & Polyexe Corporation

  • 2006

    New capabilities added

    In 2006, MTI attained the ability to make silicone-coated release papers with the edition of a boiler and re-moisturization unit to the coater

  • 2004

    Polyexe buys a new extruder

    In June of 2004, Polyexe acquires a 3 million dollar, 3 layer co-extrusion, 2 meter wide blown film line.

  • 1996

    Extrusion line installed

    In 1996, Polyexe Corp installed it's first monolayer extrusion line

  • 1994

    MTI founded

    In 1994, MTI was founded in Brentwood NH