The result is a soft-elastic PU foam with a density of 80 kilograms per cubic meter. According to the DIN EN ISO 33861 ...

“We produce a low-density recyclable PP foam with an expansion ratio up to 10, as well as a biodegradable PLA and TPS foam with an expansion ratio up to 20,” explains Kim. This means that they ...

High-density memory foam is more durable and supportive, while low-density foam is softer and more comfortable. Additionally, the size and shape of the pillow can affect its effectiveness.