There is a very long list of physical properties of a paint or paint related product which can be determined by the COT laboratory. Below you can find a list of many important items, together with the method(s) and/or standard(s):
| properties | method | standard |
|---|---|---|
| viscosity | Brookfield flow cup |
ISO 2431 ISO 2431 |
| density | pycnometer | ISO 2811 |
| fineness of grind | ISO 1524 | |
| flash point | Abel Pensky | ISO 1523, ASTM D3278 |
| drying times | ISO 9117-3 | |
| storage stability | shelf life | |
| hiding power | ISO 6504 | |
| pinholes | high or low voltage | NACE RP 0188, ISO 2746 |
| water vapour permeability | ISO 7783-2, ASTM D1653, DIN 53122 |
|
| water permeability | EN 1062-3 | |
| water absorption | water uptake | ASTM D570 |
| freeze resistance | freeze-thaw stability test | |
| chemical resistance | ISO 2812 | |
| adhesion | cross-cut pull-off |
ISO 2409 ISO 4624 |
| stackability | ISO 9117-2, DIN 53150 | |
| hardness | König Pencil shore A |
ISO 1522 ASTM D3363 ASTM D2240 |
| elasticity | Erichsen cylindrical mandrel conical mandrel |
ISO 1520 ISO 1519 ASTM D522 |
| impact resistance | ASTM D2794, ASTM G17, ISO 6272 |
|
| thick film cracking | cyclic temperature test | |
| falling nuts chipping resistance |
NEN 5335 ASTM D3170 |
|
| scratch resistance | ISO 1518 | |
| abrasion resistance | with pad with brush classification falling sand Taber |
ISO 11998 DIN 53778-2 EN 13300 ASTM D968 ASTM D4060 |
| heat resistance | temperature test | |
| force of traction | flexural strength tensile strength |
ISO 178, ASTM D790 ISO 527, ASTM D412, ASTM D638 |
| elongation at break | ISO 178, ISO 527 | |
| peel strength | EN 10329 | |
| gloss | 60° | ISO 2813 |
| colour | CIE 1976 | ISO 11664-4 |
| orange peel | ISO 11347 HISWA/COT norm |
|
| layer thickness | microscopy | ISO 2808 |
Takeover of COT by IFO Netherlands
January 2022, Haarlem January 14th IFO Netherlands realized the business acquisition of COT (Centre for Research and Technical advice) situated in Haarlem (NL). The companies have overlapping activities and for both IFO and COT it
Witnessing paint application
The required quality levels and specifications of coatings are increasing (for example in the oil and gas industry). In order to be able to meet the required specifications, the quality of the application becomes
Autoclave tests
Over the years, the demand for paint testing at high pressure and temperature in combination with corrosive gases increases. In various standards and specifications such as ISO 15741, EN 10289, EN 10290, ARAMCO 09-SAMSS-067 APCS 27,