Eversorb HP4 is a liquid type stabilizer and used in hybrid polymer (Silyl terminated polyether & SPUR ) type hybrid polymer. With It’s very light color which not only doesn’t affect transparent sealant’s initial color but reduce polymer degradation such as yellowing, tracking, losing mechanical and viscoelastic properties, which are initiated by UV light. Recommended dosage of Eversorb HP4 1~3 phr ( base on resin solid). Eversorb HP4 can has synergistic effect when mixing with Eversorb HP1.
– Offer basic UV protection for all applications
– Highly compatible in SMP resin and easy to incorporate
– No affect on initial color and also offer synergistic effect with HP1 and HP3
– Suitable for color system and interior application
- Clear and transparent liquid
- Chemical type: Blend & Mixture
- Density (g/cm3): ~1.0
- Viscosity (cps.20℃): 400~800
- Solubility at 25ºC (g/100g solvent):- Butylcarbitol: >50 - Butyl acetate: >50 - Xylene: >50 - 1-Methoxy-2-propylacetate: >50 - MEK: >50 - Water: < 0,01
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