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Classification And Comparison of Main Raw Materials for PP/PET STRAPPING

Views: 0 Author: Site Editor Publish Time: 2026-04-04 Origin: Site

PP and PET are the two most mainstream materials in plastic strapping. The following is a comparison of their raw material classifications and typical application scenarios.

Key Differences Between PP and PET

Comparison Dimension	PP Packing Belt (Polypropylene)	PET Packing Belt (Polyester)
Main Raw Materials	Polypropylene resin particles (drawing grade)	Polyethylene Terephthalate (PET) chips/bottle flakes
Core Features	Light weight, soft, medium breaking tensile strength, high elongation, low cost	High strength (close to steel strip), low elongation, temperature and weather resistance, no damage to goods
Applicable Weight	Several kilograms – several hundred kilograms	Several hundred kilograms – several tons
Typical Applications	Cartons, light pallets, e-commerce express, daily chemical products	Replacing steel strips for bundling heavy goods, such as building materials, steel, wood products, aluminum ingots

PP Strapping: Raw Material Classification

1. By Raw Material Purity

New Material (Pure Material) PP Strapping: Made of brand-new polypropylene resin, with bright color and strong tensile strength, suitable for high-demand scenarios such as automatic packing machines and export packaging.
Mixed New and Recycled Material PP Strapping: Adopting a mixture of new materials and recycled materials, with low cost and medium performance, suitable for general industrial packaging.
Recycled Material Sandwich PP Strapping: The outer layer is PP material, and the inner layer is filled with a large amount of recycled materials or fillers. It has low cost but unstable performance, and is only suitable for occasions with low requirements on strength and appearance.

2. By Purpose/Function

Ordinary/Colored Strapping: Used for bundling conventional cartons and light pallets.
Transparent/Printed Strapping: Used for packaging household appliances, 3C products and other products that need to display brands or facilitate identification.
Special Functional Strapping: Such as cash strapping (high transparency, high flatness), chemical fiber packing strapping (anti-slip), anti-static strapping (electronic industry), flame-retardant strapping (coal mines, building materials), etc.

PET Strapping

PET Strapping: Raw Material Classification

1. By Raw Material Source

Virgin PET Chips: Polymerized from PTA and EG, with high viscosity and stable performance, used for producing high-strength Class H and Class M products.
Recycled PET Bottle Flakes/Crushed Materials: Made by crushing recycled PET bottles, etc., which are environmentally friendly raw materials. They can produce qualified PET Strapping to meet some medium and low strength requirements.

2. By Formula and Performance

Ordinary PET Strapping: Meets basic strength and temperature resistance requirements, used for conventional industrial bundling.
Tackified PET Strapping: Adding tackifier to make the strapping bond more firmly when lapped. The lap strength can reach 70-90% of the strapping, suitable for automatic buckless packing machines.
Special PET Strapping: Such as flame-retardant PET Strapping, used for bundling products with high fire safety requirements such as batteries and energy storage.

Application Scenario Selection Guide

Light Load and Low Cost Scenarios → Choose PP Strapping

Applicable Goods: Cartons, light pallets, e-commerce packages, daily chemical products, small hardware, etc.
Core Advantages: High cost performance, which can meet the bundling needs of most light to medium weight goods.

Heavy Load and High Safety Scenarios → Choose PET Strapping

Applicable Goods: Steel coils, aluminum ingots, wood, building materials, glass, ceramics, complete household appliances, etc.
Core Advantages: High strength, low elongation, can maintain tightness for a long time, safe and no damage to goods, and is an ideal choice to replace steel strips.

Environmentally Friendly and Recyclable Scenarios → Choose PET/PP Strapping

PET: 100% recyclable, especially suitable for environmentally friendly products produced with recycled PET bottle flakes.
PP: New material Strapping are also recyclable, which is a common solution balancing cost and environmental protection.

Suzhou ORTPAK Packaging PET/PP Strapping are made of high-quality virgin + high-purity recycled raw materials, with high quality, high strength, good toughness and strong tensile strength; we support personalized customization such as specification, color and printing, covering multiple scenarios from light goods packing, logistics express to heavy industry building materials, new energy and cross-border environmental protection, adapting to needs and being worry-free and durable!