25kg kraft paper bag packaging of White Dextrin
25kg kraft paper bag packaging of White Dextrin

White Dextrin

White Dextrin is a highly versatile, bio-based polysaccharide derived from the partial hydrolysis of starch. Known for its excellent film-forming properties, strong initial tack, and water solubility, it is predominantly used as a primary ingredient in industrial adhesives for paper tubes, carton packaging, and labeling. In the construction and foundry sectors, White Dextrin functions as an exceptional eco-friendly binder and thickener, improving the cohesiveness of dry-mix mortars and enhancing the green strength of casting molds.

Product Description

Appearance:

White or slightly light yellow amorphous powder.

 

Specifications (Industrial Grade):

Item Technical Standard
Moisture ≤ 10.0%
Viscosity (Engler, 25°C) 1.5 – 2.5 (Adjustable based on needs)
pH Value (10% aqueous solution) 4.0 – 5.5
Ash Content ≤ 0.5%
Fineness (Pass 100 mesh) ≥ 98.0%
Cold Water Solubility ≥ 40.0% (Highly soluble in hot water)

 

Applications:

Concrete & Mortar Admixtures: Acts as an eco-friendly binder, thickener, and anti-bleeding agent in dry-mix mortars and special concrete formulations. It helps improve the cohesiveness of the mixture, prevents segregation, and provides a mild retarding effect during hydration.

Industrial Adhesives & Paper Packaging: Extensively used as a primary raw material for manufacturing water-based adhesives, paper tube glue, carton sealing glue, and labeling adhesives due to its rapid tack and strong bond strength.

Foundry & Casting: Serves as a high-quality green sand binder in foundry casting. It improves the green strength and surface finish of molds while offering excellent collapsibility after casting.

Textile & Briquetting: Utilized as a sizing agent in textile finishing to increase fabric stiffness, and as a reliable binder in coal or charcoal briquette production.

 

Safety & Handling:

Precautions: This product is bio-based, non-toxic, and non-corrosive. Like most organic powders, high concentrations of fine dust in the air may pose a dust explosion risk. Maintain adequate ventilation and avoid open flames during handling.

 

Packaging & Storage:

Standard Packaging: 25kg multi-wall kraft paper bags or PP woven bags with PE inner liner.

Storage Recommendations: Hygroscopic material. Store in a cool, dry, and well-ventilated indoor warehouse. Protect from moisture, high humidity, and pests. Ensure packaging is tightly sealed when not in use to prevent caking.

Shelf Life: 12 – 24 months (under proper dry and sealed storage conditions).

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