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2. Features:RU-4178B is a UV resin with medium functionality, high reactivity, and high molecular weight for plastic spraying. It has excellent resistance to yellowing, as well as improved leveling conditions, improved coating surface cleanliness, and other comprehensive properties. Has excellent adhesion properties to various plastic substrates such as PC, ABS, PMMA, etc.
3. Indicator
|
project |
Standards |
test method |
|
appearance |
Colorless to slightly yellow transparent viscous liquid |
visualization |
|
Solid Content |
70±2％ |
Bake at 110 ℃ for 2 hours |
|
average functionality |
4 |
theoretical value |
|
acid value |
< 4 mgKOH/g |
KOH titration method |
|
Viscosity |
1800-3200 cps/25℃ |
NDJ-1 rotational viscometer |
|
chroma |
≤ 2 |
qsg |
|
NCO value |
blank |
Di-n-butylamine hydrochloride titration method |
4. Purpose:Specially recommended for plastic UV spray paint topcoat.
5. Packaging and Storage:200KG; sealed at room temperature and stored away from light for one year.
Please note:The above indicators and recommended performance are measured under fixed conditions and do not guarantee all usage purposes. For different usage purposes and conditions, users need to verify the formula themselves to ensure compliance with requirements.
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