Hangzhou Leap Chem Co., Ltd. is one of the most professional manufacturers and suppliers of poly(dimethylsiloxane) hydride terminated丨cas 70900-21-9 in China. Welcome to wholesale bulk high quality chemical products at competitive price from our factory. If you have any enquiry about custom service, please feel free to email us.
Specifications
| Appearance | Colorless to light yellow liquid |
| H | 1.55% min |
| Viscosity (25 °C) | 15 mm²/s to 40 mm²/s |
| Refractive Index (25 °C) | 1.390 to 1.410 |
| Density (25 °C) | 0.995 g/cm³ to 1.015 g/cm³ |
| Volatile Matter | 1.0% to 4.0% |
Transport Information
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H.S. Code |
3910000000302 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Keep container tightly closed in a dry and well-ventilated place. |
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Condition to Avoid |
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Package |
Manufacturing Information
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Parameter |
Specification |
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Capacity |
5MT/month |
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Experience |
Production since 2017 |
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Stock |
Applications
Poly(dimethylsiloxane) hydride terminated (H-PDMS) is primarily used in silicone chemistry as a reactive polymer for hydrosilylation reactions. It serves as a crosslinking agent in the production of silicone elastomers, coatings, adhesives, sealants, and encapsulants. H-PDMS is also applied in the fabrication of microfluidic devices, soft lithography, and surface modification processes, where its reactive Si-H groups enable bonding or functionalization of surfaces. Additionally, it is used in the development of flexible electronics, optical materials, and biocompatible silicones.
Benefits
The hydride-terminated structure allows precise crosslinking with vinyl-functionalized silicones, producing elastomers with tunable mechanical properties, thermal stability, and chemical resistance. Its flexibility and low glass transition temperature contribute to high elasticity, durability, and transparency in silicone products. H-PDMS also offers excellent processability, compatibility with fillers and additives, and stability under a wide range of environmental conditions, making it ideal for industrial and research applications.
Conclusion
Poly(dimethylsiloxane) hydride terminated is a versatile reactive silicone polymer essential for manufacturing high-performance elastomers, coatings, and functional materials. Its crosslinking ability, mechanical flexibility, and chemical stability make it a critical component in silicone-based applications across electronics, biomedical, and industrial fields.
