2. Features:RU-2041b is a bifunctional PUA resin with excellent leveling and flexibility, moderate weather resistance, and very low curing shrinkage. It is used for UV plastic spraying and can adjust the hardness and flexibility of the formula, balancing the formula's resistance to boiling, salt spray, high and low temperatures, and cold and hot cycles; Used for UV printing varnish and ink, it can serve as the main PUA in formulations, bringing comprehensive solvent resistance and flexibility.
3. Performance
|
Project |
Standard |
test method |
|
appearance |
Colorless to slightly yellow transparent viscous liquid |
visualization |
|
chroma |
≤ 2 |
qsg |
|
Solid Content |
>98.0％ |
Bake at 110 ℃ for 2 hours |
|
functionality |
2 |
theoretical value |
|
acid value |
< 2.0 mgKOH/g |
KOH titration method |
|
Viscosity |
12000-22000 cps/30℃ |
NDJ-1 rotational viscometer |
|
NCO content |
blank |
Di-n-butylamine hydrochloride titration method |
4. Purpose:Recommended for UV surface coating on various plastic substrates and plastic silver powder paints; UV printing varnish and ink, etc.
5. Packaging and Storage:200KG、20KG; 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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