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Flake Pulp Fiber

Updated: 2026-08-06

Overview

Flake pulp fiber is a processed form of wood pulp, primarily composed of cellulose. It is widely used in industries such as papermaking, textiles, and composite materials due to its renewable and biodegradable nature. The material is produced by breaking down wood into fibrous form and then drying it into flakes. Flake pulp fiber is favored for its high cellulose content, which provides strength and flexibility in various applications. It is an eco-friendly alternative to synthetic fibers, aligning with sustainable manufacturing practices.

Physical and Chemical Properties

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Flake pulp fiber is characterized by its white or off-white appearance and flaky texture. It has a density of approximately 1.5 g/cm³ and is insoluble in water, though it can absorb moisture. The material decomposes before melting, making it unsuitable for high-temperature applications. Chemically, flake pulp fiber is composed of long-chain cellulose molecules, which give it high tensile strength and flexibility. Its biodegradability and renewability make it an attractive option for environmentally conscious industries.

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Main Applications

The primary use of flake pulp fiber is in the papermaking industry, where it serves as a raw material for producing various types of paper. It is also used in textiles to create biodegradable fabrics and in composite materials for added strength and flexibility. Additionally, flake pulp fiber is employed in the production of filters, insulation materials, and even some food packaging. Its versatility and eco-friendly properties make it a valuable resource across multiple sectors.

Safety and Storage

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Flake pulp fiber is generally considered safe with low toxicity. However, dust from the material can be irritating if inhaled, so proper ventilation and protective equipment are recommended during handling. Storage should be in a dry, cool environment to prevent moisture absorption. Long-term exposure to moisture can degrade the quality of the fiber, so it is essential to keep it in sealed containers or bags. Proper storage ensures the material retains its properties for extended periods.

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B2B Procurement Guide

When procuring flake pulp fiber, buyers should pay attention to purity levels, moisture content, and fiber length, as these factors significantly impact performance. Suppliers should provide detailed specifications and test reports to ensure quality. Prices typically range from $500 to $1,200 per ton, depending on quality and market conditions. Bulk purchases may offer cost savings, but buyers should also consider logistics and storage requirements.

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