Renewable trays

Views: 1222     Author: Jeff Cui     Publish Time: 2023-09-12      Origin: Site

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Renewable trays

Renewable,bio-based materials designed for trays


Did you know? The majority of consumers (55%) are willing to pay more for sustainable products. Creating solutions that meet consumers’ demands for eco-performance can be complex when packaging liquids, and chilled or frozen foods.

For these products, reducing and replacing plastics with renewable materials is key. To help food brands combat climate change, Trayforma™ PET is shown to reduce carbon emissions by two-thirds in comparison to PET trays in a critically reviewed LCA study.

Replacing rigid PET trays with paperboard makes a huge impact on carbon emissions. Paperboard also allows brands to communicate about reducing in plastic in their supply chains. This in turn helps consumers who want to transition away from plastic and make more sustainable choices.

Trayforma is the original paper-based pressed tray material for replacing plastic and aluminium.

Trayforma’s functional barriers and guaranteed food safety and taste and odour neutrality allow it to work conveniently from freezer via oven to table. It can be used even in gas-tight or modified atmosphere packaging.

Trayforma can minimize the amount of plastic in ready-meal trays and reduce the CO2 emissions up to 67%. A highly formable and convertible material, it’s perfectly suited for tray pressing lines, enabling customisation to exact shape and size requirements as well as premium product presentation with flexo and offset printing.

Trayforma PET is conventional or microwave oven safe, while the new Trayforma PP is a microwavable ready-meal tray with up to 50% less plastic. Trayforma Bio trays are compostable in industrial composting and can be used in microwave oven according to European plastic regulation. 

Trayforma is available in 190 - 420gsm for producing all sizes of microwave and conventional oven trays.


Trayforma BarrPeel

Trayforma BarrPeel has been developed to replace plastic packages in vacuumed skin packages for food such as meat, fish, cheese and cold cut end uses.

High quality beef or fish can stay fresh for up three to five times longer in vacuum packaging as compared to conventional plastic or paper packaging. Trayforma BarrPeel, which combines a paperboard with barrier coating, is made up of over 90% renewable and sustainably-sourced wood fibers and has an easily peelable solution that prioritises user experience.

· Trayforma BarrPeel can be used as flat tray or pressed into a shallow tray depending on the need of the customer

· BarrPeel barrier allows the nice and easy peeling of the top skin film which is relevant for the consumer.



Sustainable alternatives for plastics

In order to make ordinary paper waterproof, a waterproof coating is applied to the paper, forming a coated paper. The current main coatings can be divided into the following two categories:


Petroleum based: Traditional plastics: PE (polyethylene), PP (polypropylene), PS (polystyrene), PC (polycarbonate), PET (polyethylene terephthalate), ABS (acrylonitrile butadiene styrene), PMMA (polymethyl methacrylate), nylon, etc;


Starch and PE mixed base: Bio PE (bio polyethylene) Bio PP (bio polypropylene) Bio PA (bio polyamide) PTT (polyethylene terephthalate). Petroleum machinery materials have excellent comprehensive performance and are the main materials in people's production and daily life.


At present, the mainstream coated paper in the market is mainly PE coated paper, which is mainly coated with high/low density polyethylene (H/LDPE). Its material molecular structure is very stable and difficult to be degraded by natural light and heat. It takes about 200 years in conventional environments. If its decomposition is accelerated, high-temperature incineration or other methods (>240 ) are required to degrade it into ethylene (in a gaseous state at room temperature), accompanied by various harmful oxidation products. However, the production and use of PE coated paper in current production and daily life are enormous, and PE synthetic polymer materials are difficult to degrade after being discarded, resulting in ecological pollution and an expanding trend of pollution.


This type of pollution can be attributed to white pollution, which refers to a visual term for the phenomenon of environmental pollution caused by waste plastics. Specifically, it refers to plastic products such as packaging bags, agricultural plastic films, disposable tableware, plastic bottles, etc. made of polymer compounds such as polyethylene, polypropylene, and polyvinyl chloride, which are discarded as solid waste after use. Due to being thrown indiscriminately and difficult to degrade, they cause irreversible pollution to the ecological environment and landscape. Its main cause is visual pollution: the scattered waste plastic packaging materials in cities, tourist areas, water bodies, and roadside areas bring negative visual stimulation to people, affecting the overall beauty of cities and scenic spots, and damaging the city's appearance and scenery; Potential hazards: excessive land occupation, air pollution, water pollution, fire hazards, and difficulty in degradation, resulting in long-term and deep-seated ecological and environmental problems.


Faced with the increasingly serious problem of white pollution, people hope to find a plastic substitute that can replace the current PE coated paper without causing white pollution. At present, biodegradable coating coatings developed domestically and internationally mainly include: PBAT (polyadipic acid), PCL (polycaprolactone), PHA (polyhydroxyfatty acid ester), PLA (polylactic acid); The most commonly used one is PLA, which utilizes lactic acid produced by fermented sugars from grains or other organic substances. The lactic acid is then polymerized to obtain linear aliphatic polyester polylactic acid (PLA). The degradation of PLA is divided into two stages. The first stage is the gradual hydrolysis of its ester groups into lactic acid and other small molecules, which are then decomposed by microorganisms in the environment. As the degradation occurs in stages, the degradation rate is slow. PLA is often blended with starch to enhance its degradability and reduce costs. Some producers also often use other biodegradable polyesters to blend with PLA; But this blend product is hard, brittle, and plastic



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Attn:Jeff Cui

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