（Detail answers and discussions, please contact LXZXL Chemical at marketing@LXZXL.COM.)

27. There needs paint system has 500 hours salt spray anti-corrosion property;

28. There needs paint system has 1000 hours salt spray anti-corrosion property;

29. There needs paint system has 1500 hours salt spray anti-corrosion property;

30. There needs paint system has 2000 hours salt spray anti-corrosion property;

31. The substrate is nylon + glass fiber, what kind of primer has good adhesion?

32. The substrate is PE, what kind of primer has good adhesion?

33. The substrate is PP, what kind of primer has good adhesion?

34. The substrate is steel, within 60 minutes after the parts be primed, the parts need be packaged, what kind of fast-dry primer is suitable?

35. The substrate is zinced steel, currently used epoxy primer has adhesion problem;

36.The substrate is stainless steel, if need painting, what kind of primer has good adhesion?

37. The substrate is alumiun alloy, currently used primer has adhesion problme;

38. In order to saving working hours, expecting one time spray 150 um dry film thickness, how to handle it?

39. Is there a kind of primer with dry film thickness lower than 10um, it that product very expensive?

40. What kind of primer is suitable for phosphated substrate? Can apply thinner film layor?

41. The weather is humid, can we use 1 component primer?