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Introduction to IML Film

The IML film produced by Hardvogue is a high-performance material with excellent printability, strength, and wear resistance, which can directly integrate the label into the product during the injection molding process, providing enhanced durability and a high-quality appearance. The common materials used are BOPP and PET. The IML film comes in several types, including:

  • Orange Peel BOPP Film: Featuring a unique orange peel texture, it is both aesthetically pleasing and enhances scratch resistance, making it ideal for high-end food and cosmetic packaging.

  • Metallized BOPP Film: With a shiny metallic finish, it offers moisture and oxygen barrier properties, making it suitable for luxury packaging.

  • Transparent IML Film: Provides clear graphics and full product visibility, commonly used for beverage bottles and cosmetic packaging.

  • White IML Film: With a bright, opaque background, it enhances the visual impact of graphics, making it perfect for high-end product packaging.

IML films are widely used in industries such as food, beverages, and cosmetics, offering high-quality labels, durability, and improved aesthetics. The in-mold labeling process makes production more efficient, reducing waste.

At Hardvogue’s factory, we use advanced production equipment to ensure stable film quality and offer customization services, supporting different thicknesses, surface treatments, and printing solutions to meet specific customer needs.

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Technical Specifications
Category Property Unit Transparent Metallized Solid White Orange Peel
Physical Density g/cm3 0.91 0.91 0.91 0.65
Physical Thickness um 35 - 70 +/-2 35 - 70 +/-2 35 - 70 +/-2 35 - 70 +/-2
Optical Gloss (45 deg) GU >= 90 >= 90 >= 90 >= 85
Optical Opacity % >= 92 >= 94 >= 96 >= 90
Mechanical Tensile Strength (MD/TD) MPa >= 100/200 >= 100/200 >= 100/200 >= 100/200
Mechanical Elongation at Break (MD/TD) % <= 180/50 <= 180/50 <= 180/50 <= 180/50
Surface Surface Tension mN/m >= 38 >= 38 >= 38 >= 38
Thermal Heat Resistance C Up to 130 Up to 130 Up to 130 Up to 130
Technical Advantages of IML Film
High-resolution images with sharp details.
Water, oil, and chemical-resistant properties.
The label becomes an integral part of the container.
Supports recyclability and reduces material usage.
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Types Of IML Film
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Application Scenarios of IML Film

HARDVOGUE Plastic Film Supplier

Food & beverage: Used in yogurt cups, margarine containers, and beverage bottles.


Personal care & household: Ideal for shampoo bottles, detergent packaging, and cleaning products.

HARDVOGUE Plastic Film Manufacturer
Wholesale Plastic Film
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Plastic Film Manufacturer

All IML Film products

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What are the Common Issues and Solutions in IML Film Applications?
When using BOPP film for in-mold labeling (IML) in injection molding, several challenges may arise during printing, processing, and molding. Below is a detailed breakdown of common problems and corresponding solutions.
Printing Issues
Static Electricity Problems
Die-Cutting and Label Handling Issues
Adhesion and Bonding Problems in the Injection Mold
Temperature and Shrinkage Issues
Environmental and Storage Problems

Offering IML-grade BOPP films that are pre-treated for printing, anti-static properties, and high-temperature resistance will improve product performance and processing efficiency.

FAQ
1
What types of IML film does Hardvogue offer?
Hardvogue provides Solid White, Transparent, Silver Metallized, and Holographic IML films.
2
What thicknesses of IML film are available?
Available thicknesses include 45µm, 50µm, 60µm, 65µm, and 70µm, with 60µm,65µm and 70µm being the most commonly used.
3
Can Hardvogue apply primer for customers?
Yes. If customers do not have enough printing stations for primer application, Hardvogue can provide films with primer. However, films with primer are more expensive.
4
Is primer necessary for IML printing?
Primer is highly recommended before printing to ensure good ink adhesion. It is especially beneficial for UV ink and digital printing.
5
What printing methods are suitable for IML film?
Flexographic, offset, rotogravure, and digital printing are all suitable for IML films.
6
Is UV ink suitable for IML film?
Yes, UV ink can be used, but applying primer beforehand is recommended for best results.
7
How can curling of IML film be avoided?
If the film is flat before printing, curling issues may be related to primer, ink, or varnish. Selecting the right combination is important. Hardvogue performs cross-cutting lab tests before shipment to ensure flatness.
8
How can ink adhesion issues be avoided?
The use of primer before printing is strongly recommended to achieve good ink adhesion.
9
Why can’t the IML stick to pails sometimes?
This is often caused by static imbalance. If static is too high, labels may stick together. If too low, labels may not feed properly. A balanced static level is necessary.
10
What is the orange peel effect and how does it occur?
The orange peel effect appears after the injection molding process, usually due to low material density.
11
Can IML film be laminated?
Yes. IML films can be laminated with different materials, such as synthetic paper + metallized BOPP/PET or Solid White IML film + Metallized IML film.
12
Can IML film be used as a monolayer film?
Yes. High-thickness films are typically used as monolayer IML films with primer, printing, and varnish.
13
Can IML film be cut into sheets?
Yes. IML films can be customized into rolls or sheets according to requirements.
14
What is the shelf life of IML film?
It is recommended to use the films within 3 months after arrival for best performance.
15
How should IML films be stored?
Films should be stored away from direct sunlight at 15–35 °C and 45–65% relative humidity. Packaging should remain sealed until use.
16
How long is the lead time for IML film?
Hardvogue typically requires around 25 days to ship materials after order confirmation.
17
How does Hardvogue control the quality of IML films?

Hardvogue conducts laboratory tests for thickness, curling, ink adhesion, static, and COF before shipment. A test report (COA) is provided, and production records are kept for at least 3 years for traceability.

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Can Solid White IML be used on curved or irregular containers?
Yes, with certain conditions: special mold design, suitable film materials (e.g., Orange Peel IML), and process adjustments. For very complex surfaces, shrink sleeve labels are recommended.
19
Can Hardvogue customize Solid White BOPP IML films?
Yes, Hardvogue can customize shape, size, material, and color. OEM services are also available with professional design support.
20
Is BOPP Solid White IML food-safe?
Yes, it complies with FDA and EU food contact regulations, making it suitable for food packaging applications.
21
Is Hardvogue an important player in the IML film industry?
Yes. Hardvogue is one of the leading IML film manufacturers in China, offering competitive pricing and quality.

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We are located in Britsh Colombia Canada, especially focus in labels & packaging printing industry.  We are here to make your printing raw material purchasing easier and support your business. 
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