Table 5.
Test | Standard | R | PPeF15I70S85 | PPeF30I70S70 | PPeF70I30S30 | PPeF70I50S30 |
---|---|---|---|---|---|---|
Pencil hardness | EN13523-4 | H | 2H | 3H | H | H |
Gloss top coat | 13523-2 | 35 | 39 | 35 | 40 | 39 |
Reverse impact 80” lb | 13523-5 | Moderate cracking | Moderate cracking | Moderate cracking | Slight cracking | Moderate cracking |
Erichsen 7.5 mm | 13523-6 | Moderate cracking | Severe cracking | Severe cracking | Slight cracking | No cracking |
T-bend (no tape pick off) | 13523-7 | 0.5T | 1T | 1.5T | 0T | 1T |
T-Bend no cracking | 13523-7 | 3T | 5T | 6T | 2.5T | 5T |
MEKa rubs primer | BSSP 3.522.11 | 110 | 110 | 110 | 110 | 110 |
Tg, °C (onset/midpoint) | 28/35 | 53/66 | 51/53 | 27/34 | 53/67 | |
Microhardness, N∙m−2 | 216 | 237 | 287 | 190 | 270 |
a Methyl ethyl ketone.