Plant fibre tableware temperature: freezer to hot food
Plant fibre tableware temperature limits come up in every buyer conversation, and the honest answer has two parts. Our catalogue pieces are rated from −18°C to 100°C, which covers freezer to hot food in one material. What sits outside that window, and what the numbers mean in real service, is where the useful detail lives. This guide covers both, and ends with the tests worth running before you commit.
The short answer
- The rated window is −18°C to 100°C: freezer storage through hot service.
- The rating describes food contact, not cooking; a hot pan or a flame is a different question.
- Lids and covers follow their own limits, so check the piece you plan to use, not the family.
- For service above the window the answer is a different piece, not a different supplier.
Plant fibre tableware temperature in real service
The window covers the full range a food service runs. Frozen storage and display at −18°C sit at the bottom. Chilled service, salads and cold plates sit in the middle. Hot food up to 100°C, meaning soups, stews, rice, pasta and most plated hot dishes, sits at the top. Between those points the material does not change behaviour, so a single range can cover a menu that used to need both a frozen line and a hot line.
The pieces are pressed under heat and pressure during moulding, so they have already been through more heat than most service will ask of them. That is why the top of the window is a service limit rather than a survival limit: the piece is not being pushed toward its failure point when a hot stew lands in the bowl.
What sits outside the window
Three things sit outside, and they are worth naming. Direct flame is outside. A hot pan straight from the hob is outside. Oven use is outside. The rating is for food contact, not for cooking in, and no moulded fibre piece should be sold to you as an oven dish. If a menu needs oven-to-table, that is a different piece from a different material family, and we will say so rather than sell you the wrong bowl.
Hold time is the second thing to think about. A piece rated to 100°C is rated for contact; food held hot for two hours is a slightly different question. Our sample testing guide covers the hold-time test we recommend, which is to fill the piece, cover it, and wait the longest service interval you run.
Why the window is wider than people expect
Two reasons. The first is that there is no plastic lining to soften, deform or separate. Plastic-lined pieces tend to fail at the lining, which is the one part of the piece doing the least work. Moulded fibre fails nowhere because there is nothing to separate; the piece is one material throughout, pressed from sugarcane bagasse under heat and pressure.
The second reason is that grease and water resistance is structural rather than coated. The fibre itself resists both, which is why the pieces perform without a lining and why the resistance does not wear off with washing. If you want the full material story, the bagasse guide covers how the fibre is processed and what that means for the finished piece.
It is worth asking any supplier for the report behind the number. A rating with a test report behind it is a specification; a rating in a brochure is a claim. The certifications guide explains which documents to ask for and which market each one answers to.
Matching pieces to your service
- Frozen programmes. Cups, bowls and trays sit comfortably across the whole window, from freezer display to hot fill.
- Hot lines. Plates, bowls and containers are rated to the top of the window, so plated hot dishes are covered.
- Mixed service. Sets and standard tableware cover both ends, which is how one range replaces two.
The collections page shows the range by job rather than by shape, and the product pages give the piece-level detail. If you tell us the menu, we will tell you which pieces fit it and what the MOQ looks like.
Temperature and the rest of the programme
Temperature is one line on the spec sheet. The lines that decide a programme are usually MOQ, lead time and how the pieces ship, and they interact: volume decides the freight bill, and the freight bill decides the landed cost per piece. The ordering guide covers MOQ, samples and lead times, the shipping guide covers loading and documents, and the cost guide puts the numbers together.
Not sure a piece fits your service?
Tell us the menu, the temperatures and the hold times and we will recommend the pieces and send samples. Ask for samples →