BJ-K7 Self-Adhesive Kraft Paper Tape for Express Packaging

Детали

Backing

Kraft Paper

Adhesive

Starch Base

BJ-K7 self-adhesive kraft paper tape is designed for postal express sealing, logistics packaging, gift wrapping, carton protection, and fast fixing. Its soft kraft paper construction provides a close fit to carton surfaces, while the hot melt adhesive allows direct pressure-sensitive application without water activation. With a total weight of 120 ± 2 g/m², thickness of 0.13–0.14 mm, tensile strength of 120 N/25mm, 180° peel adhesion of 14 N/25mm, holding power of 10 H/25mm, and initial tack of 8#, BJ-K7 offers balanced sealing performance for everyday express and shipping packaging.

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Product Description

BJ-K7 Technical Specifications

Verified physical and adhesive performance data for BJ-K7 self-adhesive kraft paper tape.

MODEL BJ-K7
PRODUCT TYPE Self Adhesive Kraft Paper Tape · Hot Melt
120 N/25mm Tensile Strength
14 N/25mm 180° Peel Adhesion
10 H Holding Power
8# Initial Tack
Physical Properties Imperial Metric Test Standard
Color Brown
Adhesive Hot melt
Total grams of weight 120g ± 2 g/m²
Total thickness 5.11-5.51 mils 0.13-0.14 mm ASTM D-3652 GB/T7125
Tensile strength 27 lbs/in 120 N/25mm ASTM D-3759 GB/T30776
180° peel adhesion 3.3 lbs/in 14 N/25mm ASTM D-3330 GB/T2792
Holding power 10 H/in 10 H/25mm ASTM D-3654 GB/T4851
Initial tack 8# 8# ASTM D-3121 GB/T4852
Storage Temperature Store at 20°C–26°C in a clean and dry place.
Storage Humidity Recommended relative humidity is 40%–50%. Protect packaging from damage and avoid volatile solvents.
Test Conditions Test condition: 23°C ±1°C and humidity 50% ±5%. Independent suitability testing is recommended.

Kraft Paper Tape Built for Express Packaging

BJ-K7 self-adhesive kraft paper tape is designed for postal express sealing, logistics packaging, gift wrapping and fast carton fixing.

Its soft paper structure helps the tape conform closely to carton surfaces, while the hot melt adhesive allows direct pressure-sensitive application.

Optimized for Postal & Express Packaging BJ-K7 combines flexible paper, moderate air permeability, weather resistance and direct self-adhesive application for everyday shipping operations.
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EXPRESS PACKAGING PROFILE

Designed Around Everyday Shipping Needs

01 Express Sealing Suitable for postal, courier and logistics carton closure.
02 Soft Carton Fit High paper softness helps the tape conform to carton surfaces.
03 Weather Resistance Designed for stable performance in routine packaging environments.
04 Fast Fixing Hot melt adhesive supports direct and quick application.
120 ± 2 g/m² Total Product Weight
0.13–0.14 mm Total Thickness
120 N/25mm Tensile Strength
14 N/25mm 180° Peel Adhesion

Key Features

  • Designed for Postal Express Packaging

The specification specifically states that BJ-K7 is particularly suitable for postal express labeling and packaging, making this its strongest application positioning.

  • Soft Kraft Paper for Better Carton Fit

The paper is described as highly soft, helping the tape conform closely to carton surfaces during sealing.

  • Moderate Air Permeability

BJ-K7 is specified with moderate air permeability, providing a distinct paper structure characteristic compared with more film-like packaging materials.

  • Hot Melt Self-Adhesive System

Uses hot melt adhesive for direct pressure-sensitive application without water activation.

  • Weather & Moisture Resistance

The product description specifies strong weather resistance, supporting stable use in routine shipping and packaging environments.

  • Recyclable Paper-Based Packaging

BJ-K7 is described as environmentally friendly, pollution-free, recyclable, and suitable for renewable resource utilization.

Primary Uses

  • Express Carton Sealing

Suitable for sealing cartons used by courier, express, and logistics operations.

  • Postal Packaging

The product is specifically positioned for postal express labeling and packaging.

  • Gift Packaging

Suitable for gift wrapping and paper-based packaging applications.

  • Carton Tamper Protection

Can help reduce carton damage caused by opening or tampering.

  • Fast Pasting & Fixing

The hot melt adhesive allows direct application for quick packaging and fixing.

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

Self-adhesive kraft paper tape for express packaging is suitable for courier cartons, postal packaging, logistics sealing, gift wrapping, carton protection, and fast fixing.

BJ-K7 combines soft kraft paper, close carton fit, moderate air permeability, hot melt adhesion, and weather resistance. The specification specifically describes it as highly suitable for postal express labeling and packaging.

No. This express packaging paper tape uses hot melt adhesive and can be applied directly to cartons without water activation.

BJ-K7 provides 120 N/25mm tensile strength, 14 N/25mm peel adhesion, 10 H/25mm holding power, and 8# initial tack.

The specification states that BJ-K7 has strong weather resistance. Actual suitability should still be verified against the customer’s packaging, storage, transport, and environmental conditions.

Store the postal packaging kraft tape in a clean, dry place at 20°C–26°C and 40%–50% relative humidity. Protect the packaging from damage, avoid volatile solvents, and rotate stock as recommended.

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