Which insulation effect is better, Pu or epp?

Epp has good heat preservation effect.

1. environment: under the severe weather conditions of epp, the quality and safety of goods are better guaranteed. Pu has good thermal insulation performance in long-distance transportation.

2. Usage: epp is light, durable, waterproof and shockproof, and is suitable for cold chain transportation, group meal distribution and other scenes that require high thermal insulation. Pu is suitable for personal home and other scenes. In summary, epp is better.