BJ-N700Y Water-Activated Kraft Paper Tape for Secure Carton Sealing

Additional information

Backing

Kraft Paper

Adhesive

Water-Activated Starch Adhesive

BJ-N700Y water-activated kraft paper tape is designed for secure sealing of corrugated cartons used in shipping, warehousing, and everyday packaging operations. It combines a 70 g/m² natural kraft paper backing with a starch-based water-activated adhesive, providing a total weight of 90 ± 2 g/m² and a thickness of 0.12–0.13 mm. With machine-direction tensile strength reaching 165 N/25mm and transverse-direction strength of 94 N/25mm, BJ-N700Y provides a strong paper structure along the dispensing direction while creating a secure, tamper-evident carton seal after water activation.

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Product Description

BJ-N700Y Technical Specifications

Physical properties and laboratory test data for BJ-N700Y natural paper gummed tape.

BJ-N700Y Paper gummed tape (Natural)
Physical Properties Standard Metric Test Method
Backing 70 g/m2 Kraft paper
Water Activated Adhesive Starch adhesive
Glue Weight 20g±2g/m2
Total Weight 90g±2g/m2
Total Thickness 4.72-5.12 mils 0.12-0.13 mm ASTM D-3652 GB/T7125
Tensile Strength MD 37 lbs/in 165 N/25mm ASTM D-3759 GB/T30776
TD 21 lbs/in 94 N/25mm ASTM D-3759 GB/T30776
Application & Test Note

The above performance values represent average laboratory test results obtained from BAIJIN product samples. Users should independently test and verify product suitability for the intended application before large-scale use.

Reliable Paper Sealing with Strong MD Performance

BJ-N700Y water-activated kraft paper tape combines a 70 g/m² natural kraft paper backing with starch-based adhesive for corrugated carton sealing.

Its 165 N/25mm machine-direction tensile strength provides additional support along the direction in which the tape is typically unwound and dispensed during packaging.

Designed for Secure Carton Closure After water activation, the starch adhesive bonds the kraft paper tape to corrugated boxes for shipping, warehouse storage and transit packaging.
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PRODUCT PERFORMANCE MATRIX

Structure, Adhesive and Tensile Data

70 g/m² Kraft Paper Natural paper backing forms the structural base of the tape.
20 ± 2 g/m² Starch Adhesive Water-activated adhesive coating for corrugated carton bonding.
0.12–0.13 mm Total Thickness Defined thickness range for consistent handling and application.
165 / 94 MD / TD · N/25mm Directional tensile performance measured according to ASTM D-3759.
165 N/25mm Machine Direction
Why Machine-Direction Strength Matters The machine direction follows the length of the tape roll. Higher MD tensile performance supports stable unwinding, dispensing and application during repetitive carton sealing operations.

Key Features:

  • 70 g/m² Natural Kraft Paper Backing
    Uses a defined kraft paper construction for consistent water-activated carton sealing and packaging applications.
  • 165 N/25mm MD Tensile Strength
    Higher machine-direction tensile performance supports the tape during unwinding, dispensing, application, and carton handling.
  • Starch-Based Water-Activated Adhesive
    The adhesive remains dry on the roll and becomes active after contact with water before application to the carton.
  • 90 ± 2 g/m² Total Weight
    Controlled paper and adhesive coating weight provides a consistent overall tape construction.
  • 0.12–0.13 mm Thickness Range
    The specified thickness provides a defined paper structure for routine shipping and carton sealing applications.
  • Tamper-Evident Carton Closure
    Once bonded to corrugated board, the paper tape helps secure the carton and makes unwanted opening or disruption more visible.

Primary Uses:

  • Corrugated Carton Sealing
    Designed for securely closing corrugated boxes used in packing, storage, and transportation.
  • Shipping & Transit Packaging
    Suitable for cartons that pass through repeated handling during logistics and distribution.
  • Warehouse Packaging
    Supports everyday carton sealing at warehouse and fulfillment packing stations.
  • E-Commerce Shipping Boxes
    Provides a paper-based sealing solution for parcels and corrugated boxes prepared for delivery.
  • Tamper-Evident Packaging
    The bonded paper seal can show visible evidence when the carton closure has been opened or disturbed.

Dongguan Baijin Packing Material Co., Ltd. Specializes In The Production Of Eco-Friendly Kraft Paper Tape. With 20 Years Of Experience, Our 12,000m² Facility Houses Over 100 Employees, Including A Dedicated Team Of Senior Technicians And Business Professionals.

We Operate Fully Integrated Production Lines—Covering Adhesive Manufacturing, Coating, Printing, And Slitting—To Ensure Strict Quality Control And Product Stability. Serving Both Domestic And Global Markets, We Are A Trusted Partner To Numerous Well-Known Brands.

Committed To Green Manufacturing, Our Products Hold Rohs, Reach (Svhc), Fsc, And Sgs Certifications, Guaranteeing Both Environmental Compliance And Superior Quality.

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Frequently Asked Questions (FAQ)

BJ-N700Y water-activated kraft paper tape is designed primarily for sealing corrugated cartons used in shipping, storage, warehousing, and distribution. Water activates the starch adhesive before the tape is applied to the carton.

This gummed paper tape uses a starch-based water-activated adhesive with a specified coating weight of 20 ± 2 g/m². The adhesive remains dry before use and requires moisture for activation.

The BJ-N700Y kraft carton sealing tape has a machine-direction tensile strength of 165 N/25mm (37 lbs/in) and transverse-direction tensile strength of 94 N/25mm (21 lbs/in).

The water-activated paper tape uses a 70 g/m² kraft paper backing, has a total weight of 90 ± 2 g/m², and a specified thickness of 0.12–0.13 mm.

Yes. Gummed kraft paper tape is commonly used to securely close corrugated shipping boxes. BJ-N700Y bonds to the carton after water activation and helps maintain the closure during normal storage, handling, and transit.

Yes. Once water-activated kraft tape bonds to corrugated board, disturbing or removing the paper seal can leave visible damage to the sealed area, helping indicate whether the carton has been opened or tampered with.

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