HY-738B is a kind of modified rheological additive with high efficiency of gelling and thixotropy. It can be used in lowto medium polar systems.
High viscosity: It has high gelling viscosity and thixotropy in low to medium polar solvent systems or resin systems.
Easy to disperse: under the effect of appropriate amount of polar activator, HY-738B has fast speed of dispersion and gelation, and small dispersing fineness.
Anti-sediment: HY-738B has the property of anti-sediment in the system.
Physical and chemical indicators
usage method
application
Packaging, storage and transportation
外觀
灰白色粉末
燒失量
31~34%
細度，≤76ym(200 目)
≥ 95%
水份
0.8～3.5%
粘度
≥ 1.5Pa.s
Appearaance
White powder
Loss in ignition
31~34%
Fineness，≤76ym(200 mesh)
≥ 95%
Moisture content
0.8～3.5%
Viscosity
≥ 1.5Pa.s
HY-738B can disperse at normal atmospheric temperature. It is better to be used as pre-gel. It should be added before grinding your products (such as paints, pigments, coatings etc.). To get the best dispersion effect, it is best to use high-shearing device. HY-738B needs polar activator to be fully dispersed. The available polar activators are as follows: propylene carbonate, methanol/water (95/5), ethanol/water (95/5) or acetone. The proper amount of polar activator can be adjusted according to different systems. Generally, the amount of polar activator is 30~50% of organic bentonite.
The amount of HY-738B is usually 0.2*3.0% of the system (by weight).
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The package consists of external package (brown paper bag) and internal package (polyethylene film bag). The valve bag is also available and the weight is usually 25 ± 0.25Kg. The package can also be customized. If stored in dry place and kept packaged (at the temperature of O°C ~ 30°C ), the organic bentonite is effective within 36 months.
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Inquiry
572-6628777
dsx@hybentonite.com