| Test Parameters | Test Method Suggested |
| Mean Outside Diameter | IS 12235 (Pt-1)/ Any Validated Method |
| Wall Thickness | IS 12235 (Pt-1)/ Any Validated Method |
| Density | IS 12235 (Pt-14)/ Any Validated Method |
| Tensile Strength | IS 12235 (Pt-13)/ Any Validated Method |
| Opacity | IS 12235 (Pt-3)/ Any Validated Method |
| Reversion Test | S 12235 (Pt-5/Sec-1&2)/Any Validated Method |
| Vicat Softening | IS 12235 (Pt-2)/ Any Validated Method |
Note : ** PT Item is not Covered in NABL scope of Accreditation.