If the non-stick coating of your wok is badly scraped or damaged, it is generally not safe to continue using it for cooking. Here's why:
Health Concerns: When the non-stick coating on a wok is scratched or damaged, there is a risk of the coating material leaching into the food you cook. Most non-stick coatings are made with materials like polytetrafluoroethylene (PTFE), commonly known as Teflon. If ingested, these particles may pose health risks, especially if they are heated to high temperatures.
Reduced Non-Stick Properties: A damaged non-stick coating will not perform as effectively, making it more likely for food to stick to the surface of the wok. This can lead to uneven cooking and potentially burnt or overcooked food.
Uneven Heating: Scratches and damage to the non-stick coating can also disrupt the even distribution of heat on the wok's surface, leading to hotspots and uneven cooking.
Increased Difficulty in Cleaning: A damaged non-stick coating can be more challenging to clean, as food particles may get trapped in the scratches and crevices.
To ensure the safety of your cooking and the quality of your food, it's best to discontinue using a wok with a badly scraped or damaged non-stick coating. Instead, consider investing in a new wok that is in good condition and made from a safe and durable material, such as stainless steel or carbon steel. These materials are excellent choices for woks and can provide consistent and safe cooking performance.