Dry Strength Agent

Chemical Formula:

Varies by agent, but PVA has the formula (C₂H₄O)n.

Grade \ Packaging	Containers	Jerricans	Drums	IBCs & Tanker Trucks
Technical Grade	Yes	No	Yes	No
Industrial Grade	No	No	Yes	Yes
High-Purity Grade	No	No	Yes	Yes

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Dry Strength Agent

Chemical Formula:

Varies by agent, but PVA has the formula (C₂H₄O)n.

CAS Number:

A dry strength agent is a chemical additive used in the papermaking industry to enhance the dry strength of paper. These agents are primarily polymeric compounds that improve the strength of paper products when dry, by enhancing the fiber bonding during the manufacturing process. They help increase the paper’s resistance to tearing, folding, and other mechanical stresses. Dry strength agents are particularly valuable in the production of high-strength papers, such as cardboard, paperboard, and newsprint, as well as tissue paper and sanitary products.

Characteristics

Molar Weight

Varies depending on the specific formulation (often ranges from 500 to 10,000 g/mol depending on the polymer's chain length)

USES AND APPLICATIONS

Key applications

Papermaking: Enhances the dry strength and durability of paper products such as cardboard, tissue paper, and newsprint.
Packaging Industry: Improves the strength of corrugated boxes and paperboard.
Sanitary Products: Used in products like tissues and sanitary napkins to improve the integrity of the paper when dry.