Resource Center
Paper Converting, Explained.
Practical, evergreen guides to slitting, rewinding, roll specifications, and specialty papers — written for the engineers and buyers who work with converted paper every day.
What Is Your Slitter Really Costing You?
A practical framework for comparing the fully loaded cost of in-house slitting with outsourcing, including capital, labor, scrap, downtime, inventory, utilization, and opportunity cost.
Browse by Topic
Five Topics. One Goal: Rolls That Run Right.
Converting Basics
Plain-English guides to slitting, rewinding, and how paper converting actually works.
Roll Specifications
Basis weight, core sizes, roll dimensions, and how to measure and specify paper rolls.
Quality & Troubleshooting
Diagnosing roll defects, storage and handling, and keeping converted paper running right.
Specialty Papers
How fire resistant paper and steel interleave paper work, and where each is used.
Buying Guides
How to spec an order, write an RFQ, and work with a contract paper converter.
Latest
Recent Articles
Roll Specifications
Why Slit-Width Tolerance Matters for Automated Equipment
Slit-width tolerance defines how closely a finished roll is held to its specified width. Learn why precise width control matters for automated equipment and what dimensions to communicate to your converter.
Roll Specifications
What Is Paper Caliper? Paper Thickness, Mils, and Why It Matters
Paper caliper is the measured thickness of paper or paperboard. Learn how caliper is expressed in mils and microns, how it differs from basis weight and GSM, and why thickness matters when specifying a paper roll.
Specialty Papers
What Is Steel Interleave Paper? A Complete Guide
Learn what steel interleave paper is, where it is used in metal processing, what buyers should specify, and how custom converting supports coil and sheet operations.
Converting Basics
Razor, Shear, and Score Slitting: Cutting Methods Explained
Learn how razor, shear, and score slitting differ, how each cutting method works, and what buyers should consider when specifying converted paper rolls.
Converting Basics
Paper Mill vs. Paper Converter vs. Distributor: What's the Difference?
Learn the difference between a paper mill, paper converter, and distributor, where each fits in the paper supply chain, and which one to contact for your requirements.
Roll Specifications
Grain Direction: What It Is and When Converting Buyers Should Care
Learn what grain direction means in paper, how machine direction differs from cross direction, and when MD/CD matters for converted-paper specifications.
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