What does 'gauge' or 'micron' mean for stretch film?

Gauge (or micron) refers to the thickness of the film. A higher gauge/micron number means a thicker, stronger film. For light loads, 15 microns might suffice, while heavy, irregular loads may require 20-23 microns.

What is the difference between cast and blown stretch film?

Cast film is quieter to unwind and has excellent clarity, but less holding power. Blown film is noisier, hazier, but has superior puncture resistance and holding power. For most manual wrapping, cast film is more common and user-friendly.

Is pre-stretched film better for manual wrapping?

Pre-stretched film can be a great choice. It's lighter and requires less physical effort to apply because the film is already stretched during its production. This can reduce worker fatigue and material cost, though it may have slightly less holding power than traditional film.

What is a 'hand-saver' and do I need one?

A hand-saver is a simple plastic dispenser that fits into the ends of the roll's core. It allows the roll to spin freely in your hands, preventing friction burns and giving you better control over tension. It's a low-cost tool that makes a huge difference.

Best Stretch Film for Manual Wrapping

Manual wrapping, or hand wrapping, is the most common method for securing pallets in small to medium-sized businesses. But not all stretch film is created equal for this task. Choosing the right type of hand wrap can significantly impact your load security, material costs, and worker efficiency. This guide will help you select the best stretch film for your manual wrapping needs.

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1. Understanding Gauge (Micron) - Thickness Matters

The most critical factor is the film's thickness, measured in gauge or microns (µ). The right thickness depends on the weight and shape of your load.

15 Microns (Light Duty): Ideal for light, uniform loads under 800 kg. Perfect for securing stable, square boxes.
17-20 Microns (Medium Duty): The most versatile range. Suitable for loads up to 1,200 kg, including slightly irregular shapes. This is the go-to for most general-purpose applications.
23 Microns (Heavy Duty): For heavy loads over 1,200 kg or pallets with sharp corners and very irregular shapes. This thickness offers superior puncture resistance and holding power.

Choosing a film that's too thin will result in breakage and poor load containment, while choosing one that's too thick is a waste of money and material.

2. Cast vs. Blown Film: The Manufacturing Process

Hand wrap comes in two main types, based on how it's made:

Cast Stretch Film

This is the most common type for hand applications. It's made by extruding heated resin through a flat die onto a chilled roller.

Pros: Excellent clarity (for barcode scanning), unwinds quietly, consistent thickness.
Cons: Less puncture resistance and "memory" (holding power) compared to blown film.
Best for: Standard warehouse environments where noise and clarity are important.

Blown Stretch Film

Made by blowing heated resin into a bubble, which is then flattened and rolled.

Pros: Superior puncture and tear resistance, high holding power (it "clings" to itself).
Cons: Hazier/less clear, noisy to unwind.
Best for: Heavy or sharp-edged loads that require maximum durability.

For most manual wrapping, cast film is the preferred choice due to its user-friendly characteristics.

3. Roll Size and Core: User-Friendliness

For manual wrapping, roll size is crucial for ergonomics.

Width: The standard width is 500mm (around 20 inches). This provides good coverage without being too cumbersome to handle.
Length: Rolls like our 500mm x 300m option offer a good balance between roll weight and frequency of changeovers.
Core Size: Most hand wrap rolls use a 2" or 3" core. This is important if you use a hand-saver or dispenser, so ensure compatibility.

4. Pre-Stretched Film: A Smart Alternative

Pre-stretched film is a newer innovation where the film is stretched close to its ultimate breaking point during production. When you apply it, you don't need to pull and stretch it yourself.

Advantages:
- Less Physical Effort: Easier and faster to apply, reducing worker fatigue.
- Material Savings: You can use up to 50% less film by weight, leading to significant cost savings.
- Lighter Rolls: Easier for staff to carry and handle.
Disadvantages:
- Less Holding Power: Because it's already stretched, it has less "memory" to tighten further around a shifting load. Not ideal for loads that might settle.

Pre-stretched film is an excellent choice for light to medium, stable loads.

Conclusion: The Best Choice for You

For the average business doing manual wrapping, the best choice is typically a 17 or 20-micron cast stretch film in a 500mm x 300m roll. It offers the best balance of strength, cost, and ease of use.

If you're looking to reduce costs and worker strain for stable loads, consider trying pre-stretched film. For heavy-duty, demanding applications, a 23-micron blown film is your safest bet.