DEXTRIN GLUE (ADHESIVE) FOR PAPER
What is Dextrin Glue for Paper
Dextrin glue is a starch-based, water-soluble adhesive commonly used for bonding lightweight paper products. It provides fast tack, easy application, and economical performance for packaging and printing industries.
Properties of Dextrin Glue
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Water-soluble, biodegradable structure
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Medium viscosity and fast bonding
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Suitable for paper, cardboard, labels
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Non-toxic, easy to clean
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Adjustable drying time depending on additives
Ingredients & Composition
Typical composition includes:
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Yellow or white dextrin (primary adhesive polymer)
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Water
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Plasticizers (glycerin, sorbitol)
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Preservatives
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Fillers or modifiers (borax, starch)
How to Make Dextrin Glue for Paper
Preparation Steps
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Heat water to 60–70°C.
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Slowly add dextrin while stirring.
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Add plasticizer to improve flexibility.
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Adjust viscosity with water or fillers.
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Add preservative.
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Mix until smooth and homogeneous.
Manufacturing Process
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Mixing
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Heating
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Homogenization
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Cooling
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Filtration
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Packaging
Formulation
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Dextrin: 35–55%
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Water: Balance
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Plasticizer: 1–5%
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Preservative: 0.1–0.3%
Applications
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Paper bonding
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Envelopes and labels
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Bookbinding
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Packaging adhesives
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Corrugated surface lamination
Advantages
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Cost-effective
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Eco-friendly
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Easy to apply
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Good tack for paper substrates
Safety & Handling (MSDS Notes)
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Non-hazardous
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Avoid microbial contamination
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Store in sealed containers
Summary
Dextrin glue is a versatile, low-cost, eco-friendly adhesive ideal for paper applications. Its adjustable viscosity, fast tack, and safe composition make it widely used in packaging, printing, and labeling industries. Production is simple, requiring only heating, mixing, and viscosity adjustment.
