The Customization Advantage
Industrial packaging demands strapping that matches specific load requirements, equipment configurations, and handling conditions. Standard off-the-shelf PET strap serves many applications, but when operations have unique requirements—unusual load dimensions, specific equipment constraints, or brand visibility needs—custom PET strap (polyester strap) specifications deliver superior results.
PET strap is a high-strength polyester-based strapping material known for its excellent tensile strength, minimal elongation, and superior tension retention. According to industry standards, PET strap offers tensile strength up to 600 N/mm², significantly higher than PP strap’s 100–150 MPa range, making it ideal for heavy-duty industrial applications.
At Jushuo Packaging, our production data shows that specification optimization—matching width, thickness, and break force to actual application requirements—reduces material waste while improving load security compared to standard options. This guide covers the full range of custom PET strap specifications available for industrial packaging applications.
![Polyester Pet Strap]( "Polyester Pet Strap")
1. Width Specifications
1.1 Custom Width Range
PET strap is manufactured in widths from 9mm to 25mm, with custom widths available within this range. According to ASTM D3950, strapping width determines load distribution across package surfaces and affects equipment compatibility. At Jushuo Packaging, we offer PET strap in standard and custom widths up to 25mm, with tighter tolerance control for automated equipment compatibility.
| Width Range | Typical Application | Key Benefits |
| 9mm | Light to medium loads, standard pallets | Cost-effective, good flexibility |
| 12mm | Medium to heavy loads, general industrial | Balanced strength and handling |
| 16mm | Heavy loads, steel coils, bricks | High strength, broad load distribution |
| 19mm | Heavy-duty, cotton bales, lumber | Maximum strength and surface contact |
| 25mm | Extreme heavy loads, custom applications | Maximum load distribution |
1.2 Width Selection by Application
Wider straps distribute load across larger surface areas, reducing edge cutting risk and improving load stability. According to packaging engineering analysis, wider straps provide better load distribution and reduce the risk of strap cutting into soft or sharp-edged packages. Selection should consider load weight, package surface characteristics, and equipment chute compatibility.
Jushuo Packaging's technical team recommends checking chute width tolerance with your equipment manufacturer before selecting custom width dimensions.
2. Thickness Specifications
2.1 Custom Thickness Range
PET strap thickness ranges from 0.4mm to 1.25mm, with break force directly correlated to thickness. According to manufacturing specifications, thickness is determined by stretching ratio and extrusion parameters.
| Thickness Range | Break Force Range | Recommended Application |
| 0.40–0.55mm | 160–280kg | Light to medium pallet loads |
| 0.55–0.65mm | 280–450kg | Medium to heavy industrial loads |
| 0.65–0.80mm | 450–635kg | Heavy loads, steel coils, bricks |
| 0.80–1.00mm | 635–900kg | Very heavy loads, cotton bales |
| 1.00–1.25mm | 900–1,360kg | Extreme heavy loads, custom |
2.2 Thickness Selection by Application
Thickness selection influences seal performance, machine feeding reliability, and load security. According to equipment manufacturers, thicker straps require more powerful sealing mechanisms and may need equipment modifications. The relationship between thickness and equipment compatibility should always be verified before specifying custom thickness.
Jushuo Packaging's high-strength PET strap delivers break forces up to 1,360kg with thickness up to 1.25mm, accommodating the most demanding industrial packaging applications.
3. Break Force Specifications
3.1 Custom Break Force Options
Break force is the ultimate performance metric for PET strap. According to tensile testing standards, break force is determined by thickness, molecular orientation, and manufacturing quality.
Jushuo Packaging's PET strap is available with break forces from 160kg to 1,360kg, accommodating everything from light pallet loads to heavy steel coil bundling.
3.2 Matching Break Force to Application
| Load Type | Minimum Break Force | Safety Margin |
| Light pallets | 160–280kg | 2× load weight |
| Medium pallets | 280–450kg | 2–3× load weight |
| Heavy industrial | 450–635kg | 3× load weight |
| Steel coils | 635–1,360kg | 3× load weight |
According to safety standards, strapping should be rated at least 150% higher than expected working loads to accommodate shock loads and material degradation over time.
4. Surface Finish Options
4.1 Smooth vs. Embossed
PET strap is available in smooth and embossed surface finishes. According to equipment manufacturers, both finishes are compatible with modern strapping machines, with embossed offering superior feeding reliability in high-speed applications.
| Finish | Characteristics | Best Application |
| Smooth | Uniform surface, standard grip | Manual tools, semi-automatic equipment |
| Embossed | Textured surface, improved grip | High-speed automatic machines |
According to industry analysis, embossed PET strap offers superior feeding reliability in automatic machines by reducing the risk of misfeeds and jams.
4.2 Application-Specific Selection
Jushuo Packaging offers both smooth and embossed PET strap finishes to accommodate different application requirements and equipment types. For high-speed automatic operations, embossed finish is often preferred. For manual or semi-automatic applications, smooth finish may be adequate.
5. Additional Customization Options
5.1 Color Customization
Custom colors support brand identification, inventory management, and product tracking. According to packaging customization capabilities, Pantone or RAL code matching ensures consistent brand appearance across supply chains. Color coding options improve warehouse organization and reduce picking errors.
5.2 Custom Printing
Logo and text printing capabilities include multi-color options for brand visibility and tracking information. According to strapping industry analysis, custom printing allows brand identification, tracking information, and other details to be printed directly on the strap.
Jushuo Packaging offers custom printing including brand logos, handling instructions, and tracking information.
5.3 Roll Dimensions
Custom roll dimensions accommodate specific equipment requirements. According to equipment specifications, core sizes and roll widths must match dispenser requirements to ensure consistent feeding.
| Roll Parameter | Standard Options | Custom Availability |
| Core inner diameter | 200mm, 406mm | Custom sizes available |
| Roll width | 150–190mm | Custom widths available |
| Roll outside diameter | 400–500mm | Custom sizes available |
Jushuo Packaging provides custom roll dimensions to match specific equipment requirements.
6. Application-Specific Customization Examples
6.1 Steel Coil Packaging
6.2 Cotton Bale Packaging
Width: 19mm minimum
Thickness: 0.635–0.787mm minimum per JCIBPC
Break force: 1,450–1,814kg per JCIBPC
Surface finish: Smooth or embossed
Compliance: JCIBPC/USDA standards
6.3 Brick and Masonry Packaging
![Application-Specific PET Strap Customization Examples]()
Summary
Custom PET strap specifications enable industrial packaging operations to optimize performance for specific applications. Width options from 9mm to 25mm, thicknesses from 0.4mm to 1.25mm, and break forces from 160kg to 1,360kg accommodate everything from standard pallet loads to heavy steel coil bundling. Surface finish options—smooth or embossed—allow equipment compatibility optimization. Additional customization including color matching and printing supports brand visibility and inventory management.
For buyers, the practical approach is straightforward: document your application requirements, verify equipment compatibility, select specifications that match load requirements, and request samples before production commitment.
Jushuo Packaging offers comprehensive custom PET strap solutions with customizable specifications, documented quality assurance, and supply chain reliability. Our manufacturing capabilities—4 PET production lines with 20,000 tons annual capacity—ensure consistent performance across all specified dimensions. We support clients through the customization process, from specification consultation to sample testing and ongoing technical assistance.
If you need assistance specifying custom PET strap dimensions for your industrial packaging operation, please send an email to sales@jushuopackaging.com, and our professional team will provide one-on-one support.
References
ASTM International. “ASTM D3950 – Standard Specification for Strapping, Flat Steel and Seals.” ASTM.org, 2021.
Joint Cotton Industry Bale Packaging Committee. “Bale Packaging Specifications – Polyester Plastic Strapping.” cotton.org, 2024.
European Committee for Standardization. “EN 13394:2001 – Packaging – Strapping – Specifications for Polyester Strapping.” CEN.eu, 2001.
T. K. Sinha, S. Ghosh, and S. K. Pal. “Mechanical Properties of Polyester Strapping: A Comparative Study.” Journal of Packaging Technology and Research, vol. 6, no. 3, pp. 45-58, 2022.
International Organization for Standardization. “ISO 9001:2015 – Quality Management Systems – Requirements.” ISO.org, 2015.
