---
type: faq
title: "What is the difference between elemental chlorine free (ECF) and totally chlorine free (TCF)?"
description: "Paper is usually bright white because the pulp has been bleached, and traditional chlorine bleaching is harmful to the environment. ECF and TCF describe tw"
resource: https://www.4over4.com/faqs/marketing-materials/what-is-the-difference-between-elemental-chlorine-free-(ecf)-and-totally-chlorine-free-(tcf)
tags: ["Marketing Materials", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What is the difference between elemental chlorine free (ECF) and totally chlorine free (TCF)?

Paper is usually bright white because the pulp has been bleached, and traditional chlorine bleaching is harmful to the environment. ECF and TCF describe tw

Part of the **Marketing Materials** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Marketing Materials
- URL: https://www.4over4.com/faqs/marketing-materials/what-is-the-difference-between-elemental-chlorine-free-(ecf)-and-totally-chlorine-free-(tcf)