1 has different uses. Industrial sponges are widely used in automobile, air conditioning, electronics, medical treatment and other commercial fields, while civil sponges are mainly used in furniture, sofa, mattress, clothing, shoes and other life fields.
2. Different shapes. Every industrial sponge is unique, with different shapes and irregular holes on its surface. Because civil sponges are produced in industrial batches, even if there are pores, they are arranged regularly.