QCS-004 Sampling Plan

• PURPOSE

• To define a procedure for the sampling plan for incoming material, online process stage, and finished stage.

• SCOPE

• This SOP applies to all material which is to be tested for quality.

• REFERENCE(S) & ATTACHMENTS

• References

  • In-house

• Attachments

  • Nil

• RESPONSIBILITY

• QC Department Head: To prepare the SOP and its scope.

• QA Head: To approve the SOP and to ensure implementation.

• DISTRIBUTION

• Quality Assurance

• Quality Control

• DEFINITION(S) & ABBREVIATION(S)

• Definitions

  • Nil

• Abbreviations

  • Nil

• PROCEDURE

• RM Sampling Plan:

  • For Rolls:

  • 1 For incoming raw material in roll form, the sampling plan below shall be used. The basic rule considered is √n+1; however, for a number of rolls below 10, another formula is applied.

  • 2 Sample size shall be one metre in length, and width as actually supplied.

No. of Rolls Sample to Check

1 to 2 1

3 to 4 2

5 to 6 3

7 to 12 4

13 to 20 5

21 to 30 6

31 to 42 7

43 to 56 8

57 to 72 9

73 to 90 10

91 to 100 11

• For Inks/Adhesive/VMCH/Lacquer/Solvent, etc.:

• 1 For incoming material which comes in containers, one sample per batch shall be taken.

• 2 Sample size shall be approximately 200 ml.

• On-Line (Production) Sampling Plan:

  • Slitting Stage: One sample per set shall be taken. Total GSM, HSL Coating GSM, visual, and width shall be checked for each and every roll. Sample size shall be about half a metre in length, and width as actual. Layer separation shall be checked per 3 sets.

  • Printing Stage: Each and every output roll shall be sampled and tested for the defined parameters. Sample size shall be one metre in length, and width as actual.

  • Doctoring/Inspection Stage: One sample per set shall be taken. Total GSM, HSL Coating GSM, visual, and width shall be checked for each and every roll, while layer separation shall be checked per 3 sets. Sample size shall be about half a metre in length, and width as actual.

• Finished Material:

  • Each batch of finished material shall be checked on a random basis. Two rolls from each batch of finished material shall be checked at the time of dispatch. Checking shall be visual only.

• REVISION HISTORY

+----------------+----------------+----------------+----------------+----------------+----------------+ | Revision No. | 00 | Effective | | CC No. | | | | | Date | | | | +----------------+----------------+----------------+----------------+----------------+----------------+ | Details of revision: New SOP | +-----------------------------------------------------------------------------------------------------+