In-Mold Labeling

Custom In-Mold Labels (IML) Manufacturer | High-Speed Molding Applications

Premium BOPP & PE In-Mold Labeling Solutions for Injection Molding, Thermoforming, and Blow Molding.

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3D Embossing IML is an advanced in-mold labeling technology that combines precise physical texture with high-definition graphics directly during the plastic molding process. By integrating raised or

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3D Lenticular IML

3D Lenticular IML (In-Mold Labeling) integrates a optical PET lenticular lens sheet with reverse-printed interlaced graphics directly into plastic containers during injection molding, creating

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Light-Up IML

Light-Up In-Mold Label integrates printed artwork with flexible lighting elements into a single label structure. Placed inside the mold cavity prior to forming, Light-Up In-Mold Label fuses directly

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Solid White IML

Solid White In-Mold Label is a high-opacity BOPP film decoration designed for pre-placement inside injection molds during container manufacturing. Solid White In-Mold Label fuses completely with

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Hologram IML

Hologram IML (In-Mold Labeling) integrates an optical holographic layer into an in-mold label structure, delivering dynamic visual depth directly onto molded plastic packaging. Placed inside the mold

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Orange Peel IML

Orange Peel In-Mold Labels integrate a micro-textured BOPP face film with a moldable hot-melt adhesive during the plastic injection process. This label fuses directly into the container wall,

Category Overview

In-Mold Labeling (IML) fuses a pre-printed Polypropylene (PP) or Polyethylene (PE) substrate with the molten container wall during the molding process. The label becomes a permanent, structural part of the finished container, eliminating post-decorating processing, adhesive application, and manual labeling labor.

Key Technical Specifications

Feature / Parameter	Specification
Fusion Type	Permanent thermal bonding (No adhesive layer)
Visual Output	360-degree, high-definition print quality (up to 1200 DPI)
Recyclability	100% monomaterial compatibility when paired with PP/PE resins
Environmental Resistance	Zero edge peeling, moisture-proof, scratch-resistant, and freeze-safe down to -40°C

Supply Range & Formats

360-Degree Wrap-Around Labels: Full sidewall coverage for cylindrical and tapered containers.

Multi-Sided Tubs (3-Sided / 5-Sided): Precision-folded labels engineered for rectangular or square food packaging.

Lid & Cap Labels: Circular or custom-shaped inserts for top-surface branding.

High-Barrier IML: Integrated EVOH functional layers to minimize oxygen and moisture transmission rates (OTR/WVTR).

Metallic & Special Effects: Cold foil, metallized substrates, and selective haptic textures for visual differentiation.

Material & Film Substrates

Film Type	Surface Texture	Primary Benefit	Typical Application
Solid BOPP	Smooth / High-Gloss	Maximum optical clarity and vibrant color saturation	Premium food containers
Pearlized BOPP	Opaque / Soft White	Reduced weight, high stiffness, opaque white background	Dairy, ice cream, and butter tubs
Orange Peel BOPP	Micro-Textured	Air-evacuation channels prevent surface air bubbles	Thin-wall injection molded packaging
Transparent Film	Ultra-Clear	"No-label" look, content visibility	Clear beverage cups and personal care

Molding Process Compatibility

Injection Molding (IML-I)

Optimized for high-speed, thin-wall food containers and industrial buckets. Resists high injection pressures without film distortion.

Blow Molding (IML-B)

Flexible films engineered for hollow bottles and jerrycans. Accommodates high expansion ratios during parison blowing.

Thermoforming (IML-T)

High-stretchability films for shallow trays, punnets, and portion cups formed under thermal pressure.

Optimize Your In-Mold Labeling Efficiency

Need customized IML film specifications, electrostatic guidance, or physical sample kits for machine trials? Contact our technical engineering team to evaluate mold compatibility and receive a tailored quotation within 24 hours.

Request Technical Proposal & Free Sample Kit

Target Applications of In-Mold Labeling

Food Packaging: Ice cream containers, yogurt cups, margarine tubs, and sauce pails.

Personal Care: Shampoo bottles, lotion jars, and cosmetic containers.

Industrial & Household Chemicals: Motor oil jugs, paint buckets, and detergent bottles.

Nutraceuticals: Protein powder tubs and supplement containers.

Customizable Technical Parameters

Printing Technology

UV Flexographic, Gravure, and Offset printing up to 10 colors.

Substrate Thickness

Range from 35 µm to 100 µm based on mold geometry and resin choice.

Die-Cutting Precision

Tight tolerances within ±0.15 mm to prevent vacuum pickup failures on robotic arms.

Electrostatic Control

Anti-static surface treatment tailored specifically for side-entry or top-entry automation systems to prevent double-feeding.

Functional Inks

Heat-resistant inks, low-migration food-safe inks, and UV-blocking varnishes.

Quality Control & Compliance

01/

Food Contact Standards: Fully compliant with FDA 21 CFR 175.300 and EU Regulation 10/2011.

02/

System Certifications: Manufactured in BRCGS and ISO 9001 certified facilities.

03/

Inline Defect Inspection: 100% automated optical inspection (AOI) for print alignment, color consistency, and edge clean cuts.

04/

Traceability: Full raw material lot tracking from resin film extrusion to final shipment.

FAQ

Q: What is the main structural difference between IML and self-adhesive labels?

A: Self-adhesive labels rely on pressure-sensitive glues applied after container production. IML labels fuse directly into the molten container wall during molding, creating a single-layer structure that will not peel, bubble, or degrade in humid or freezing conditions.

Q: What automation setup is required on the molding machine to run IML labels?

A: The molding system requires an IML-compatible mold cavity and an automated robotic handling system (side-entry or top-entry) equipped with electrostatic charging or vacuum grippers to precisely position labels before resin injection.

Q: Are IML labeled containers fully recyclable?

A: Yes. Because both the label substrate (BOPP/PE) and the container body (PP/PE) belong to the same polyolefin family, the entire finished packaging can be reground and recycled together without removing the label.

Q: How do you prevent double-label feeding during robotic pick-up?

A: We apply tailored anti-static treatments and maintain strict surface tension parameters during conversion. Die-cutting tolerances are held within ±0.15 mm to ensure clean edge separation during automated vacuum or electrostatic pickup.

Q: Can these labels withstand deep freezing and microwave heating?

A: Yes. Formulated polypropylene substrates and specialized inks maintain structural integrity and visual clarity across operating temperatures from -40°C (freezer storage) up to 120°C (hot filling and microwave exposure).

Q: What file formats are required for custom die-lines and artwork?

A: Vector artwork should be submitted in Adobe Illustrator (.AI) or press-ready PDF format with fonts outlined. If flat die-lines are unavailable, label dimensions can be generated from container 3D CAD files (.STEP / .IGS).

Q: What is the standard Minimum Order Quantity (MOQ) and production lead time?

A: Standard MOQ starts at 50,000 units depending on label surface area. Pre-production sampling takes 5–7 working days, with volume orders completed in 12–15 working days following artwork approval.

Q: Are sample kits available for machine trials prior to placing a full order?

A: Yes. Generic sample kits containing various film finishes (orange peel, solid white, transparent) are available upon request for robotic feeding and trial molding tests on your equipment.

TML Packaging Co., Ltd. is one of the most professional in-mold labeling manufacturers and suppliers in China, featured by quality products and low price. Welcome to buy discount in-mold labeling made in China here and get quotation from our factory. We also accept customized orders.