KSTD-301 Paper Packaging Hot Melt Glue Block

Paper packaging hot melt glue block is specially designed for bonding corrugated boxes, cartons, paper bags, and other paper-based packaging materials. It provides strong adhesion, fast melting, stable viscosity, and quick setting, ensuring reliable sealing performance even under high-speed production conditions.

This adhesive has excellent bonding strength to kraft paper, cardboard, and coated paper. It offers good heat resistance, cold resistance, and aging resistance, making it suitable for long-term packaging stability. The product is solvent-free, safe, low odor, and environmentally friendly, meeting RoHS and REACH standards.

ItemSpecification / Description
MaterialEVA / Polyolefin thermoplastic polymer
AppearanceWhite or yellow solid blocks
Softening Point80℃ ~ 120℃
Recommended Use Temperature160℃ ~ 190℃
Viscosity (at 170℃)2,000 ~ 5,500 cps
Open Time5 ~ 12 seconds
Setting Time3 ~ 8 seconds
Temperature Resistance-20℃ ~ +80℃
Environmental ComplianceRoHS / REACH

Applications

  • Corrugated carton sealing

  • Paper bag manufacturing

  • Folding cartons for food, beverages, and cosmetics

  • Paperboard packaging assembly

  • General paper product bonding

Instructions for Use

  1. Preparation

    • Ensure paper surfaces are clean, dry, and free of dust or grease.

    • Adjust hot melt equipment according to paper type and production speed.

  2. Melting

    • Place glue blocks into the glue tank and heat to the recommended operating temperature.

    • Maintain stable heating to ensure consistent flow and viscosity.

  3. Application

    • Apply molten adhesive evenly to bonding areas.

    • Fold or press paper parts together immediately after glue application.

  4. Curing

    • Hold the bonded parts in place until adhesive cools and sets.

    • Avoid stressing the joints before full curing is achieved.

  5. Notes

    • Avoid overheating to prevent adhesive degradation.

    • Clean glue equipment regularly to prevent carbonized residue.

    • Store in a cool, dry place away from direct sunlight and moisture.


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