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Product Description
SH-T20A Defoamer
I. Characteristics
- Polyether-modified polysiloxane;
- Defoaming, foam inhibition, and bubble removal;
II. Main Technical Specifications
refers to Label |
Physicochemical properties |
Test Method |
Outside View |
Light yellow liquid
|
Eye Measure |
pH Value |
6.0~8.0
|
Precision pH test paper
|
Sticky degree ( 25 °C) /cp
|
300~1000
|
GB/T 5561 NDJ-8S viscometer
|
III. Application Areas
- Water-based coatings, water-based inks, water-based wood finishes;
- Water-based polyurethane leather topcoat slurry;
- The grinding and paint-mixing stages of engineering coatings;
IV. How to Use
This defoamer should not be diluted with water and can be added directly to the foaming system. Dilution with water may cause phase separation, thereby reducing its defoaming and foam‑suppressing performance.
Due to its strong antifoaming performance, this product can be incorporated into formulations as an antifoaming ingredient. The recommended addition level is 0.1% of the total formulation weight. ~ 0.5%; it may also be added in stages—60% by mass during the grinding stage and the remaining 40% during the paint‑adjusting stage (prior to the addition of the emulsion). The appropriate dosage should be determined by the user through on‑site trials.
V. Packaging and Storage
This product is packaged in 25-liter plastic drums or 200-liter plastic drums, or can be custom‑made according to customer requirements. Please store at 5… ~ Store at 35°C and avoid direct heating. In the event of ignition or combustion, extinguish the fire using standard procedures for petroleum products.
In 5 ~ At a temperature of 35°C, under unopened storage conditions, the shelf life is 12 months from the date of manufacture.
SH-T20A Defoamer
Ⅰ. Features
- Polyether-modified polysiloxane;
- Defoaming, foam suppression, and deaeration.
Ⅱ. Technical Data
Item |
Index |
Test Method |
Appearance |
Light yellow fluid |
Visual inspection |
pH |
6.0~8.0 |
Precise pH test paper |
Viscosity (25℃, cp) |
300~1000 |
GB/T 5561 NDJ-8S Viscometer |
III. Applications
- Water-based coatings, water-based inks, and water-based wood coatings;
- Waterborne polyurethane leather topcoat pastes;
- Used in g rinding and letdown stages of architectural coatings.
Ⅳ. How to Use
This defoamer can not be diluted with water and should be added directly to the foaming system. If diluted with water, stratification may occur, resulting in reduced defoaming and foam suppression performance.
Due to its strong foam suppression performance, this product can be incorporated as an anti-foaming component into the formulations. The recommended addition level is 0.1%~1% of the total formulation. It may also be added in stages: 60% of the dosage during the grinding stage, and the remaining 40% paint letdown stage (before adding the emulsion). The optimal dosage should be determined by the user through on-site trials.
V. Packaging and Storage
This product is packaged in 25L or 200L plastic drums, or in a customized size as per customer request. Please store at 5℃~35℃ and avoid direct heating. If it catches fire and burns, put out the fire according to the general petroleum products method.
The shelf life is 12 months from the date of production at 5℃~35℃ in unopened packaging.
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Nancheng Chemical Industry Park, Zaoyang City, Hubei Province (Intersection of Xihuan 4th Road and Xiangxiang Road)
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