GAG Sheets

GAG consists of three layers of PET material: the outer layers are made of PETG material, while the middle layer uses APET material. Combining the advantages of both, GAG not only offers excellent adhesion but also boasts superior toughness.

Technical Specifications

Features

1. High transparency, exceeding 90%

2. Excellent adhesion properties, suitable for high-frequency heat sealing and adhesive bonding packaging

3. More cost-effective than PETG

 

Applications

1. Packaging for hardware products

2. Packaging for cosmetic components

3. Packaging for premium products

 

Product Parameters

Item

Conductive

Antistatic

Normal

Density(±0.02)

1.35g/cm3

1.35g/cm3

1.35g/cm3

Thickness(±0.015)

0.2mm-1.3mm

0.2mm-1.3mm

0.2mm-1.3mm

S.R.(Ω)

104-8

109-11

≧1012

Width Range (±1.0mm)

300mm-1000mm

300mm-1000mm

300mm-1000mm

Max. Weight(±0.5KG)

550KG

550KG

550KG

GAG APET Plastic Film is a high-performance, multi-layer PET composite sheet designed for advanced thermoforming, packaging, and industrial applications. Structurally engineered as PETG/APET/PETG, this three-layer co-extruded material combines the rigidity and clarity of APET with the superior processability and toughness of PETG. The result is a plastic sheet that delivers excellent transparency, mechanical strength, and thermoforming efficiency while maintaining cost-effectiveness compared with pure PETG materials.

At Haining Hongkai Technology Co., Ltd., high-quality GAG sheets are produced using advanced extrusion technology to ensure consistent thickness, optical clarity, and excellent forming performance. The product is widely used in blister packaging, clamshell packaging, folding boxes, medical packaging trays, and display materials, making it one of the most versatile PET-based packaging materials available.

Structure and Composition of GAG Sheet

Three-Layer PET Composite Structure

GAG sheet is manufactured using a co-extrusion process that bonds three layers of PET-based polymers together in a single extrusion cycle. This layered configuration significantly enhances the material’s functional properties.

Structural Layers

Layer Position Material Function
Outer Layer (Top) PETG Provides excellent surface toughness, printability, and heat sealing capability
Core Layer APET Supplies rigidity, dimensional stability, and optical clarity
Outer Layer (Bottom) PETG Enhances bonding, chemical resistance, and processing performance

This PETG/APET/PETG composite design balances performance and cost by combining the advantages of both materials in one sheet.

Advantages of Multi-Layer Construction

Because of this optimized structure, GAG film is frequently used in high-end packaging that requires both aesthetic appeal and mechanical protection.

Key Technical Properties of GAG APET Plastic Film

GAG sheets provide a unique combination of optical clarity, mechanical strength, and processability, making them suitable for a wide range of industrial and packaging applications.

Physical Properties

Property Typical Value
Density 1.30 – 1.35 g/cm³
Thickness Range 0.18 mm – 2.0 mm (customizable)
Width Range 300 – 1400 mm
Transparency ≥ 90% light transmission
Shrinkage Rate Approx. 0.5%
Vicat Softening Temperature ~68 – 72°C
Surface Tension ≥ 38 mN/m

These values provide excellent dimensional stability and high clarity, which are critical for packaging and display applications.

Mechanical and Processing Characteristics

Impact Resistance and Toughness

One of the major advantages of GAG sheet is its high impact resistance. The PETG outer layers absorb stress and prevent cracking, while the APET core maintains structural rigidity. This combination ensures that thermoformed products remain durable during transportation and handling.

Key Mechanical Features

These properties make GAG sheets suitable for protective packaging applications, especially where product safety and visual display are important.

Thermoforming Performance

GAG APET film is widely recognized for its outstanding thermoforming capabilities.

Compared with traditional plastics, it offers:

Another key advantage is that GAG sheets can often be thermoformed without pre-drying or preheating, improving manufacturing efficiency.

Thermoforming Methods

GAG plastic film supports several forming techniques:

Thermoforming Method Compatibility
Vacuum forming Excellent
Pressure forming Excellent
Blister forming Excellent
Cold bending Good
Heat bending Good

This versatility makes it ideal for automated packaging production lines.

Processing and Fabrication Capabilities

In addition to thermoforming, GAG sheet supports a wide range of fabrication processes.

Machining and Processing Methods

These capabilities allow manufacturers to create complex shapes and high-precision packaging components.

Environmental and Safety Advantages

Sustainability has become an important factor in modern packaging design. GAG APET plastic film provides several environmental advantages.

Eco-Friendly Features

Because it is based on PET polymer technology, GAG sheet can be recycled through established PET recycling streams, contributing to sustainable packaging solutions.

Typical Specifications

The specifications of GAG plastic film can be customized according to customer requirements and application needs.

Parameter Standard Range
Thickness 0.18 – 2.0 mm
Width 300 – 1400 mm
Length Custom roll length
Surface Finish Glossy / Matte
Color Clear or customized
Form Roll or sheet

Customized options are available for anti-static, conductive, or colored sheets depending on industry requirements.

Major Application Industries

Thanks to its transparency, durability, and excellent forming performance, GAG plastic film is widely used across multiple industries.

Packaging Industry

GAG sheet is especially popular in thermoformed packaging applications, including:

Its high clarity allows products to remain visible while being protected from physical damage.

Food Packaging

Because of its food-grade safety and hygienic properties, GAG sheets are frequently used to manufacture:

The material protects food products while maintaining attractive shelf presentation.

Medical Packaging

Medical device manufacturers use GAG sheets to produce:

The material’s clarity, strength, and hygienic properties make it suitable for healthcare packaging environments.

Electronics and Consumer Products

GAG plastic sheets are also widely used in packaging for:

These applications benefit from the material’s ability to combine visual presentation with protective strength.

Comparison: GAG vs PETG vs APET

Understanding the differences between these materials helps manufacturers choose the best solution for their products.

Property GAG Sheet PETG Sheet APET Sheet
Structure PETG/APET/PETG PETG APET
Transparency Very high Very high High
Impact resistance High Very high Medium
Thermoforming Excellent Excellent Good
Cost Moderate Higher Lower
Printability Excellent Excellent Good

GAG sheet offers a balanced solution that delivers PETG-like performance at a more economical cost.

Manufacturing Technology

Modern GAG sheets are produced using high-precision PET co-extrusion lines.

During the extrusion process:

This controlled manufacturing process ensures consistent thickness, optical clarity, and structural integrity.

Why Choose Hongkai GAG Plastic Film

At Haining Hongkai Technology Co., Ltd., GAG APET plastic sheets are manufactured using advanced extrusion technology and strict quality control standards.

Key Advantages

The company specializes in PET-based packaging materials including:

GAG APET Plastic Film is a modern, high-performance PET composite material designed to meet the growing demands of thermoforming and packaging industries. With its three-layer PETG/APET/PETG structure, it delivers excellent transparency, high impact strength, and superior thermoforming properties while maintaining cost efficiency.

Its versatility makes it suitable for applications ranging from food packaging and medical trays to consumer product packaging and retail displays. As industries continue to seek environmentally friendly and recyclable materials, GAG sheet stands out as a reliable and sustainable alternative to traditional plastics.

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