TML Packaging Co., Ltd. is one of the most reliable manufacturers and suppliers of clear film labels in China. If you're going to wholesale bulk clear film labels made in China, welcome to get quotation and free sample from our factory. All customized products are with high quality and low price.

Product Overview

Clear Film Labels are high-clarity, pressure-sensitive packaging solutions manufactured from premium transparent polypropylene (PP) and polyester (PET) substrates, engineered to deliver an invisible, "clear-on-clear" visual effect across glass and plastic packaging.

Technical Specifications

Parameter	Specification
Film Substrate	Polypropylene (PP) / Polyester (PET)
Film Thickness	25 µm, 30 µm, 50 µm, 75 µm
Adhesive Systems	Permanent Acrylic, Removable, Deep-Freeze (-40°C to +80°C)
Release Liner	30 µm PET Film, 60 gsm Glassine Paper
Print Technologies	Flexographic, Gravure, Digital UV Printing
Surface Finishes	High Gloss Varnish, Matte Varnish, Spot UV, Tactile Varnish
Opacity Control	High-Opacity White Ink Underprinting (30%–85% light transmission)
Roll Core & Diameter	25 mm, 38 mm, 76 mm Cores; Outer Diameter up to 300 mm

Key Features of Clear Film Labels

01/

High-Clarity Substrates
Provides direct transparency that mimics direct-to-container printing while maintaining precise edge definition.

02/

Structural Flexibility
Conforms seamlessly to squeezable bottles, curved containers, and rigid packaging geometry without tunneling.

03/

White Ink Underprinting
Establishes an opaque base layer beneath graphic artwork to secure rich color vibrancy on dark liquid backgrounds.

04/

Surface Protection
Integrates functional varnishes to prevent chemical exposure, moisture ingress, surface scuffing, and oil contact.

05/

High-Speed Dispensing
Utilizes stable PET release liners that prevent web breaks during rapid automated inline labeling operations.

Application Scope of Clear Film Labels

Beverage Packaging

Applied to transparent glass and plastic bottles for water, juice, spirits, and soft drinks.

Food Packaging

Designed for clear rigid jars, deli containers, condiment squeeze bottles, and salad tubs.

Personal Care Packaging

Utilized on shampoo bottles, cosmetic tubes, skincare jars, and liquid soap dispensers.

Household Product Packaging

Integrated into liquid detergent bottles, surface cleaners, and clear chemical spray containers.

Quality Control

Haze & Clarity Testing

Monitors optical transparency to ensure zero cloudiness before printing.

Inline Registration Inspection

Verifies precise multi-color alignment and exact white layer underprint positioning.

Adhesive Coat Mass Measurement

Tracks adhesive distribution continuously to maintain uniform tack and peel resistance.

Precision Die-Cutting

Ensures clean matrix stripping while protecting the underlying release liner from perforation.

Winding Tension Control

Regulates roll tension and core alignment to guarantee smooth performance on automated packaging lines.

Ordering & Customization Guidelines

Dimensional Requirements

Specify exact width, height, and corner radius measurements.

Container Specifications

Indicate substrate material, surface curvature, and internal container contents.

Application Method

Define manual application procedures or automated line speeds and unwinding directions.

Storage Environment

Provide temperature limits, moisture exposure, and UV exposure criteria.

FAQ

Q: What distinguishes PP clear film from PET clear film?

A: PP film delivers superior flexibility for squeezable packaging, whereas PET film offers higher tensile strength for high-speed automated application lines.

Q: How is print vibrancy maintained on transparent film?

A: An opaque white ink layer is selectively printed beneath specific design elements to prevent background colors from showing through.

Q: Which release liner option prevents web breaks during fast application?

A: PET liners provide high tensile strength that eliminates web breakage under intense machine tension.

Q: Do these labels withstand condensation and cold storage?

A: Engineered permanent acrylic adhesives retain strong bond strength under heavy condensation, refrigeration, and freezing temperatures.

Q: How does white underprinting impact visual contrast?

A: Selective white ink underprinting increases color contrast on dark container contents while non-printed areas remain fully transparent.

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