
Silico® H2021D Hydrogenated Silicone Oil Emulsion
Silico® H2021D is a key component in multi-part silicone release coatings. Featuring reactive Si-H bonds, it enables low-temperature crosslinking and forms durable, hydrophobic films. Ideal for waterproofing textiles, glass, ceramics, paper, leather, cosmetics, and stone. Also used in hydrosilylation and silicone rubber crosslinking.
Description
Silico® H2021D is a key component in multi-part silicone release coating systems. Thanks to its reactive Si-H groups, it enables low-temperature crosslinking and forms strong hydrophobic films. It exhibits excellent waterproofing, film-forming, and chemical reactivity.
Technical Specifications
Property | Value |
---|---|
Appearance | Milky white liquid |
Solid Content (%) | 30 ± 2 |
pH Value | 2 – 4 |
Stability (3000 rpm, 15 min) | No stratification |
Applications
Waterproofing Agent: Forms a durable waterproof film at low temperature under metal salt catalysis. Suitable for textiles, glass, ceramics, paper, leather, metals, cement, marble, and cosmetics like lipsticks.
Hydrosilylation Raw Material: Used in synthesizing modified silicone oils and as a crosslinker in addition-cure silicone rubbers.
Other Potential Uses: Applicable in various industrial and personal care formulations pending development.
Usage Instructions
Apply directly or dilute with water depending on the application and environment.
Suitable for surface treatment, coating, or formulation integration.
Precautions
Due to active hydrogen content, the product is not highly stable. It is recommended for immediate use after preparation.
To enhance stability, adjust pH to 4–6 or add acetaldehyde.
Avoid long-term storage.
Packaging & Storage
Item | Details |
---|---|
Packaging | 50kg polyethylene drum / 200kg iron drum |
Storage Conditions | Store below 30°C in a ventilated, cool place; avoid sun and oxidants |
Shelf Life | 6 months in original sealed packaging |
Transport | Classified as non-hazardous goods |
All technical data provided is based on current knowledge and experience. Users must test product suitability for intended applications.
No warranties are expressed or implied. Silico® assumes no liability for incidental or consequential damages.

Jessica G.
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