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2. Features:RU-205G-85 is a bifunctional PUA resin diluted with 15% TPGDA, which has excellent weather resistance, flexibility, high gloss, and high fullness. Used for UV plastic spraying, it can adjust the hardness and flexibility of the formula, balance the formula's resistance to boiling, salt spray, high and low temperature, and cold and hot cycling performance; Used for UV printing varnish and ink, it can serve as the main PUA in formulations, bringing comprehensive solvent resistance, flexibility, yellowing resistance, and fast UV curing activity.
3. Indicator
|
Project |
Standard |
test method |
|
appearance |
Colorless to slightly yellow transparent viscous liquid |
visualization |
|
chroma |
≤ 2 |
qsg |
|
Solid Content |
>96.0 ％ |
Bake at 110 ℃ for 2 hours |
|
functionality |
2 |
theoretical value |
|
acid value |
< 2.0 mgKOH/g |
KOH titration method |
|
Viscosity |
30000-50000 cps/30℃ |
NDJ-1 rotational viscometer |
|
density |
1.125-1.135 g/cm3/30℃ |
QBB |
|
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; Plastic vacuum electroplating bottom and surface gloss oil; 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. Long term storage at low temperatures may result in turbidity and opacity, but heating can restore transparency.
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