------- Mixing of the Paint | ||
» General appearance of the paint, NO settling and NO separation NO Foaming, NO floatation. » Check temperature of the shop floor. » Mix the paint in barrel for 15-20 minutes by slow speed stirrer. » Check settling » Continue mixing for 15 minutes » Check temperature of paint. » Check viscosity » Adjust viscosity if required by adding the thinner » Install cleaned pump. » Attach filter bag to the feeding pipe. |
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------- Paint flow | ||
» Maintain regular paint flow.
» Paint should be in good flow from barrel to Paint Tray and from Tray to Barrel back. » Check for the Foam generation and avoid foam to transfer to coating rolls. » Paint Temperature as mentioned in TC » Place the baffle so that the return paint does not get picked up any contamination or foam. |
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------- PMT and OVEN TEMPRATURE SETTING | ||
» Zone-wise oven setting. » Maintain the temperature profile record. » PMT strips Should be available during trial. |
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------- Paint Application in lab | ||
» Check all the properties in Lab by applying the paints in Lab. » Check the Curing by PMT check. » Curing & Paint adhesion by Solvent rub MEK test » Pencill hardness » Scraatch test as per customer. |
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------- General Test to be conducted in LAB | ||
These test are require for all Primer/ Topcoat & Back Coat. | ||
Test Results | Customer Specifications | Lab Results |
General appearance | - | - |
D.FT. | - | - |
Gloss | - | - |
Cure(solvent rubs) | - | - |
Reverse Impact Flexibility | - | - |
Reverse Impact Adhesion | - | - |
Distension | - | - |
Pencil Hardness | - | - |
T-Bend Flexibility | - | - |
T-Bend Adhesion | - | - |
Colour std. ref. | - | - |
T/C | - | - |
B/C | - | - |
Other | - | - |
Remarks | - | - |
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» Roofing | » Pre-engineered Buildings |
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» Sliding Shutter | » Sun Shades |
» Copies of Gas Selection | » Shutter |
» False Ceiling | » Prefabricated Villas |
» Washing Machine & Tumble Dryer | »Ovens & Microwaves ovens |
» Refrigerator & Freezer | » Light and electric accessories |