Test Item
CNAS CERTIFIED
Chengde Technology (CNAS) Packaging Material Testing Center
80+
Testing ItemsComprehensive Coverage
Total over 80 testing items available
Complete Test List
Items 01 — 80
| 1. Seal integrity of "T" type port | 41. Microbiological testing |
| 2. Whiteness test (for white materials) | 42. Haze test |
| 3. Peel strength test | 43. Tube rigidity check |
| 4. Layer structure analysis | 44. Carton compression resistance test |
| 5. Color fading test of appearance during product shelf life | 45. Carton moisture content test |
| 6. Product aging test | 46. Easy-tear performance |
| 7. Barcode grade test | 47. Fluorescent agent test |
| 8. N₂ and CO₂ content test in packaging bags | 48. Pinhole test |
| 9. Puncture strength | 49. Vacuum test |
| 10. Drop test | 50. Retort test |
| 11. Elongation at break test | 51. Determination of migration of 2,2-bis(4-hydroxyphenyl)propane (Bisphenol A) |
| 12. Optical density test | 52. Determination and migration test of isothiazolinones |
| 13. Dimension check | 53. Determination and migration test of epichlorohydrin |
| 14. Thickness test | 54. Determination of migration of aromatic primary amines |
| 15. Puncture test | 55. Determination of migration of Bisphenol F and Bisphenol S |
| 16. Tear resistance test | 56. Determination of migration of 2,4,6-triamino-1,3,5-triazine (Melamine) |
| 17. Freeze test | 57. Determination of migration of 9 antioxidants |
| 18. Aluminum layer thickness test | 58. Determination of migration of p-phenylphenol |
| 19. Back seal integrity test | 59. Determination of migration of dimethyl phthalate |
| 20. Seal positive pressure test | 60. Determination and migration test of free phenol |
| 21. Simulated transportation test | 61. Determination of migration of 11-aminoundecanoic acid |
| 22. Film composition analysis | 62. Determination of migration of vinyl carbamate |
| 23. Film heat-sealing test | 63. Determination of isocyanates |
| 24. Friction coefficient test | 64. Determination of migration of 1,3-benzenedimethanamine |
| 25. Burst strength test (for paper structures) | 65. Phthalates (plasticizers) content/migration test |
| 26. Tear tester (for paper structures) | 66. Determination of polybrominated biphenyls |
| 27. Compression and burst test | 67. Determination of migration of 1-octene and tetrahydrofuran |
| 28. Pressure resistance test | 68. Determination of acrylic acid, methacrylic acid and their esters; ethylene and ethylbenzene |
| 29. Heat seal strength test | 69. Determination of o-toluidine |
| 30. Heat shrinkage test | 70. Determination of ethylene oxide and propylene oxide |
| 31. Heat tack strength test | 71. Determination and migration test of 2-ethylhexanoic acid (2-ethylhexyl) |
| 32. Rubbing resistance test | 72. Determination of migration of arsenic, cadmium, chromium, copper, iron, lithium, manganese, molybdenum, nickel, antimony, tin and zinc |
| 33. Color difference test | 73. Residual solvent test |
| 34. Solvent moisture content test | 74. Determination of migration of hexamethylenediamine |
| 35. Water vapor barrier property test | 75. Determination and migration test of vinyl chloride |
| 36. Oxygen barrier property test | 76. Determination of migration of vinyl acetate |
| 37. Water vapor barrier property test (packaging bags) | 77. Determination of styrene and ethylbenzene |
| 38. Oxygen barrier property test (packaging bags) | 78. Determination of migration of ethylene glycol and diethylene glycol |
| 39. Stiffness test | 79. Determination of migration of 1,4-butanediol |
| 40. Light transmittance | 80. 1,4-butanediol migration test …… |
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