Paper Converters: Paper Converting including Roll Slitting and Rewinding, Guillotine Trimming and Bundling

Material Concepts is a one of the leading paper converters and paper roll slitters among American paper converting companies. Located in Philadelphia PA.

Material Concepts offers paper converting (toll converting) and paper roll slitting services. In addition to paper converting for the roll goods sold to end users and through private label, Material Concepts also provides toll paper converting services for customer-owned inventory. Material Concepts does custom slitting and rewinding of roll goods and has extensive expertise with difficult-to-convert rolls.

With over 30 years of paper converting experience, Material Concepts is a leader among paper converters, providing the following services:

  • Converting
  • Roll Slitting
  • Rewinding
  • Perforating
  • Guillotine trimming and bundling

Materials That Can Be Converted Include:

  • Paper - Bond, Newsprint, Kraft, Wax (Waxed Paper)
  • Tyvek®
  • Valéron®
  • Non-wovens
  • Plastic
  • Board
  • Tissue

Slitting/Rewinding Paper Converting Capabilities

Material Concepts, a leading paper converter, can do paper converting for a jobs large and small.

Material Concepts has 5 Cameron slitter rewinders with the largest one capable of handling rolls up to 155".

Paper converting and paper roll slitting are the generic industry terms that describe these services, but these terms apply to all materials that can be converted. Paper converting is also referred to as toll converting or contract converting, where customer-owned inventory is converted to custom specification.

Paper converting, slitting, and unwinding services are available for master rolls:

  • Up to 155 inches wide
  • Up to 100 inches diameter
  • Any size core

Rewinding services for finished rolls:

  • Up to 155 inches wide rolls can be provided
  • Up to 63 inches diameter
  • 3" or 5" cores are used; other sizes can be accommodated upon request


Not to be confused with tear-off perforating found in roll towels or toilet paper, Material Concepts' perforating process puts a specific hole size pattern across the entire web for papers used on CAM equipment such as air flotation tables and vacuum cutters used for automated materials cutting. Material Concepts will perforate and convert to create a finished roll made to customer specification. Perforation is done for rolls up to 120" wide, with a variety of different hole sizes, including:

  • #1 MAX-AIR™ Perforated Kraft - Maximum air flow, 3/16 inch hole size
  • #3 MICRO-PERF™ Perforated Kraft - Minimal air flow, 1/16 inch hole size
  • #3 TONKA-KRAFT™PERF Perforated Kraft
  • #4 TONKA-DUO™ Dual Purpose Paper
  • #4 MINI-PERF™ Perforated Kraft - Pinholes, 1/32 inch hole size

Material Concepts offers guillotine trimming and bundling services

Guillotine Trimming and Bundling

Material Concepts has a 59" Polar Guillotine Cutter for trimming and bundling paper and board.

Converting FAQs

Material Concepts provides the following frequently asked questions (FAQs) and answers about paper converting and its capabilities:

What is the widest roll Material Concepts can handle for converting?

155" is the maximum roll width Material Concepts can accommodate.

What is the maximum roll diameter Material Concepts can handle?

Material Concepts can handle roll diameters up to 100".

What is the maximum finished roll diameter Material Concepts can provide?

Finished rolls can be provided up to 63" in diameter.

I don’t know the core size of my material. What can Material Concepts handle?

You can provide your material on any size core. Your material will typically be finished on 3" or 5" cores depending on your requirements.

What types of materials can Material Concepts slit and rewind?

Staple nonwovens, Spunlaid, Air Laid, Wet Laid, Spunbond Polyester, Spunbond Polypropylene, Spunlace, scrim, DRC, wipes, tissue, cellulose.

Bond, newsprint, liner board, kraft, waxed, bogus, butcher, poly coated papers, polyester, Tyvek®, glassine, fabric and nylon can also be converted.

How narrow can Material Concepts slit material?

This really depends on the material. Please contact us to discuss your specific needs.

Will Material Concepts warehouse my material until I need it converted?

Yes. You can ship your material to Material Concepts directly from your supplier. Please contact us to discuss your specific needs.

I have bundles of sheets in a size I no longer sell. Can Material Concepts cut it to a different size?

Material Concepts has a 59" wide Polar Mohr guillotine cutter and will cut and bundle your paper or board to any size you require.

Material Concepts - An American Paper Converting / Toll Converting Company

Material Concepts is an American paper converter with paper converting facility located in Philadelphia, PA. Material Concepts specializes in nonwovens and paper converting, roll slitting and rewinding, and wide width/large diameter roll goods. Customized slitter rewinders keep converting operations nimble and versatile, making it easy to perform many hard-to-do jobs. VP of Operations, Joe Palantino (formerly of PAL Converters), has built a reputation on trust, dependability, reliability, and clean quality work since 1991.

Select Material Concepts for paper and nonwovens converting because of:

  • Fast turnaround jobs
  • Competitive rates
  • Capable of doing hard-to-do paper converting jobs
  • Wide width capable (to 155")
  • Clean quality work
  • Warehousing customer inventory for future converting

Contact Material Concepts for Paper Converting Services

Contact Us for further assistance with paper converting, paper roll slitting, perforating and guillotine trimming / bundling services.