AGESIN® Rheological agent
RH-A4420 – Modified polyurea solution
Equivalent alternatives: RHEOBYK 420
| 检验项目 (Item) | 指标要求 (Specification) |
| 化学组成 (Composition) | Modified polyurea solution |
| 外观 (外观) | Yellow to brown liquid |
| 密度 g/cm³ (23℃) | 1.05~1.15 |
| 粘度 cps (25°C) | 300-1600 |
| 溶剂 (溶剂) | N-Methylpyrrolidone |
| Non-volatile content % | ≥50 |
This datasheet 是 intended to give typical results, not standard.Subject to COA.
AgeSin® RH-A4420 是一款液体流变改性助剂, 适用于水性-soluble, dispersion,及emulsion system 助剂 to produce highly thixotropic fluidity, improve anti-sagging及anti-settling 性能指标. This 助剂可 also be added later及是适用于水性, water及alcohol ether,及alcohol 溶剂 mixture 体系.
工业涂料:After being added to the 涂料 system under stirring, the 助剂 will produce a three-dimensional network structure. The thixotropic flow behavior formed 是 very 适用于 preventing sedimentation及anti-sagging 性能 without affecting 流平性.
★Special attention: If it 是应用于 combination 具有 desiccants, discoloration may occur, possibly due to the formation of metal complexes. The rheological effectiveness 于 this case should be evaluated. At standard dosing, there 是 no negative effect 用于 yellowing. 于 suspected 体系, yellowing及higher 助剂 dosages should be evaluated. When the 助剂是应用于 reactive及catalytic 体系及contains nitrocellulose, we recommend testing the 储存 stability of the product.
AgeSin® RH-A4420 should be added to the 涂料 system under moderate shear force to ensure uniform mixing及rapid dispersion. It does not require special temperature control, the 助剂可 added to the grinding stage,及是 also 适用于 post-addition to adjust 粘度. If the 助剂是适用于 this system, there will be a significant increase 于 the rheological effect, depends 用于 time及polarity. Rheological effects 可 generally be evaluated 2-24 hours after mixing.
0.2%-1% 助剂用量 based 用于 total formula to prevent sedimentation.
0.5%-2% 助剂用量 based 用于 total formula to prevent sagging, but this depends 用于 the overall solid content of the formula.
● 25公斤 / 180公斤/桶 Drum
存放在干燥、阴凉、通风良好的库房内。
避免阳光直射和高温暴晒。
可 stored 用于 24 months 于 the original 包装.
