standard testing procedure PVC Polyvinyl chloride
1.1 To lay down a procedure for Analysis of PVC.
2.1 This procedure is applicable to the Analysis of PVC in Quality Control Department
3.1 Q.C- Chemist
4.1 Head-Quality Assurance
5.0 Description:- Visually check the appearance of the sample like colour, shape and physical condition of the sample.
6.0 Shades of colours used: – Visually match the colours used in the sample by shade card provided by the party.
7.0 Printing Quality:- Visually match the printing matter and quality of printing matter used in the sample against the approved standard.
8.0 Width:- Take the above Two Meter samples and check the width with the help of calibrated scale and report in mm.
9.0 Thickness:- Take the above Two Meter samples and check the thickness with the help of calibrated Micrometer Caliper and report in mm.
Determine on the two meter samples used for the dimension, cut in square shape like 5×5 cm or 10×10 cm, Take the weight in gm of the cut pieces.
Using the following formula, find the grammage (GSM).
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|1.0||STP||Standard Testing Procedure|
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