... indoor application 2.Environment-friendly 3.Durable Transparent polyester epoxy powder coating ItemTypical measured values Sieve residue (125um) ,%0 , or ... , 6x6) , ≤0Bending test , mm ≤2Impact resistance , cm ≥40Acid resistance (3% HCl , 24Ohrs)No surface change observedAlkali resistance (5% NaOH , 168hrs)Minor ... ; P , not good2. Packaging : 20kg per case . Transparent polyester epoxy powder coating