Nothing is more frustrating than finishing up a shipment only to see the PP strapping band snap. It wastes time, slows down your packaging process, and sometimes even damages the goods. Many packaging managers ask: “Why does my PP strap keep breaking, and how can I prevent it?”

If you’ve had the same issue, don’t worry—you’re not alone. In this blog, we’ll go through five practical tips to keep your PP strapping bands strong and reliable, whether you’re using them in a warehouse, factory, or logistics center.

1. Choose the Right Strap Width and Thickness

PP straps come in different widths—5mm, 9mm, 12mm, and 16mm. If the strap is too narrow or thin for your product weight, it may snap under pressure.

👉 Rule of thumb:

• Use 5mm–9mm straps for light parcels (like e-commerce packages).

• Use 12mm–16mm straps for heavier boxes, cartons, or pallets.

Picking the right strap is the first step to avoiding breakage.

2. Check the Quality of the PP Strapping Band

Not all PP straps are made equal. Some low-quality straps have excessive curvature or weak adhesion, which leads to poor sealing and easy breakage.

When sourcing straps, look for:

• Low curvature for smooth machine feeding

• High adhesion for strong thermal bonding

• Consistent thickness to avoid weak spots

This is where working with a reliable supplier really pays off.

3. Adjust Machine Settings Properly

Even the best strap can fail if the strapping machine settings are off. For example:

• If the tension is too high, the strap may snap.

• If the heat-sealing temperature is too low, the strap won’t bond correctly.

Take a few minutes to fine-tune your machine according to the strap specs. Honestly, it’s a small step that saves a lot of trouble later.

4. Store Straps in Proper Conditions

PP strapping bands are sensitive to heat, sunlight, and moisture. If stored incorrectly, they may become brittle, warped, or too soft.

Best practices:

• Store in a cool, dry place

• Keep rolls off the ground to avoid moisture

• Avoid direct sunlight to prevent UV damage

It sounds simple, but you’d be surprised how many warehouses overlook this.

5. Invest in Reliable PP Strap Suppliers

At the end of the day, if your straps keep breaking, the issue may be with the supplier. Cheap straps often save a few cents upfront but cost much more in rework, downtime, and product damage.

Xingyu Machinery Equipment Co., Ltd. has specialized in high-adhesion, low-curvature PP strapping bands since 2011. Our straps are designed for both manual and automatic machines, making them a go-to choice for packaging companies worldwide.

Preventing PP strap breakage is not rocket science—it comes down to choosing the right strap, using quality products, adjusting machines correctly, and storing straps in proper conditions.

Follow these tips, and you’ll cut down on packaging headaches, save costs, and keep your shipments safe. And let’s be honest, nobody likes wasting time fixing broken straps when deadlines are tight.