Gold Metallized PET Sheets for Luxury Boxes & Food Trays

1. What is PET golden sheet?

A PET golden sheet (gold PET sheet) is a rigid PET thermoforming sheet coated or laminated with a metallic gold layer. It keeps the strength, formability and food safety of PET, while adding a mirror-like metallic finish that looks similar to real gold foil.

It is normally supplied as gold metallized PET sheets or rolls, designed for:

thermoformed chocolate and confectionery trays
luxury gift box inserts and lids
premium cosmetics and electronics packaging

2. Why gold PET sheet is ideal for chocolate & festive food packaging

In recent years, golden PET sheet for thermoforming has become a hot trend in premium packaging, especially for chocolate and festive gift sets. For chocolate brands and food-tray converters, it solves several real problems at once:

Luxury shelf appearance
The bright or champagne gold surface instantly gives a gift-ready look, perfect for chocolates, mooncakes, cookies, nuts and seasonal gift packs.
Food-contact safety
PET is widely used as an FDA/EU-compliant material for direct food contact. When properly coated, gold PET sheets remain suitable for chocolate, confectionery and bakery trays.
Excellent thermoformability
Compared with pure foil or paperboard, gold PET thermoforms cleanly into multi-cavity trays without cracking, so it works well on vacuum or pressure-forming lines.
Durability & protection
PET’s toughness helps trays resist cracking and deformation during transport and shelf display, protecting fragile chocolates and biscuits.
Barrier & sustainability
PET has better inherent oxygen and moisture barrier than many commodity plastics, and metallization further improves oxygen barrier – important for chocolate freshness and bloom control.
At the same time, golden PET sheets remain recyclable as PET, making them more eco-friendly than many paper–foil laminates.

3. WANSYN gold-metallized PET sheets/rolls – typical specs & options

At WANSYN, we supply PET gold-metallized sheets and rolls engineered for thermoforming and high-impact packaging designs. Typical specifications include:

Product name: PET Gold-Metallized Sheets/Rolls
Form: rolls or cut sheets
Thickness range: 0.15–2.0 mm – covering thin trays, deep box inserts and decorative panels
Width range: 170–1350 mm – compatible with most thermoforming and die-cutting lines
Colors: gold, coffee-gold, silver and custom tones on request
Finishes: high-gloss, matte, brushed, iridescent, holographic, print-primed, anti-scratch options

Key performance highlights:

Luxury metallic appearance with stable color and gloss
Barrier support for oxygen and moisture-sensitive products
Good chemical resistance against fats, sugar and typical confectionery ingredients
Strong and formable: suitable for thermoforming, vacuum forming and die-cutting
Processing-ready: forming temperature windows, draw-ratio suggestions and trimming tips can be provided according to your tooling and line setup

4. Design ideas for luxury chocolate boxes & gift sets

a) Choosing the right gold tone and surface

Bright gold
Ideal for festive seasonal boxes and promotional editions – strong shelf impact.
Coffee-gold or champagne gold
More subtle and elegant for year-round premium assortments.
Matte, brushed or holographic gold
A modern, high-end look for cosmetics, personal care or lifestyle brands, often used for box inserts, collars and decorative panels.

b) Combining gold PET with printing and branding

Use reverse printing on the PET side to protect the metallic layer during converting and handling.
For chocolate trays and inserts, high-contrast white and brand colors over gold give excellent logo visibility.
Add spot UV, embossing or debossing on key areas to enhance both tactile feel and perceived value.

c) Structural design for trays and inserts

For assortments, design multi-cavity trays with ribs that hold each piece firmly in place, preventing movement during transport.
Keep corners rounded to avoid stress whitening and to maintain a smooth metallic appearance.
For inserts used in rigid paperboard boxes, design enough support and contact points so the tray resists deformation when the box is lifted or stacked.

5. Processing tips for thermoforming gold PET sheet

To get consistent forming and a clean metallic finish, consider the following practical tips:

Material preparation
- Keep PET properly dried before extrusion or thermoforming to avoid bubbles, haze and surface defects.
Heating strategy
- Use multi-zone heating, and slightly reduce heater power on the metallized side to protect gloss and color.
- Start with a forming window similar to standard PET sheet, then fine-tune based on your line and mould.
Forming and plug-assist
- For deep trays or complex shapes, use plug-assist to control wall thickness and to protect the metal layer in corners and tight radii.
- Avoid excessive draw ratios that may thin the golden layer too much and reduce visual impact.
Cutting and de-nesting
- Use sharp cutting tools and check that tray edges do not scratch the gold surface during stacking and de-nesting.
- For demanding logistics routes, consider anti-scratch coatings to maintain a flawless appearance.

Planning a new chocolate box, festive gift set or premium food tray?
WANSYN’s gold metallized PET sheets and rolls are engineered for thermoforming chocolate packaging, luxury gift boxes and high-impact trays.
Contact us for free gold PET sheet samples, color cards and forming suggestions tailored to your moulds and line speed.

As a China-based gold PET sheet manufacturer and PET golden sheet supplier, WANSYN provides food-grade gold metallized PET sheets and rolls for thermoforming chocolate trays, luxury gift boxes and premium food packaging, with thickness from 0.15 to 2.0 mm and customizable colors and surface finishes to match your brand and equipment.