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OH Polymer(OH Terminated Polydimethylsiloxane)
Synonym: RTV-107, 107 Room Temperature Vulcanized Silicone Rubber, OH-terminated polydimethylsiloxane, α,ω-Dihydroxy Polydimethylsiloxane
Cas no: 70131-67-8
Appearance: Colorless Transparent Liquid
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Introduction
| Synonym | RTV-107, 107 Room Temperature Vulcanized Silicone Rubber, OH-terminated polydimethylsiloxane, α,ω-Dihydroxy Polydimethylsiloxane |
| Cas no. | 70131-67-8 |
| Viscosity | 750cst / 1000cst / 1500cst / 2000cst / 3000cst / 5000cst / 10000cst / 20000st / 80000cst |
Structural Formula:
Product Features:
1. High and low temperature resistance;
2. High flash point;
3. Low freezing point (it can be chronically used in the temperature from -50℃ to +250 ℃);
4. Small viscosity-temperature coefficient;
5. Big compression ratio and low surface tendency;
6. Water-repellent and moisture resistant;
Typical Properties:
| ITEM | SPECIFICATION |
| Appearance | Colorless Transparent Liquid |
| Viscosity 25℃ (cst) | 1,500~1,000,000 |
| Volatile Matter (%) | ≤2.0 |
| Hydroxyl Content (%) | 0.5~3 |
| Hardness (HA) | 10~28 |
| Surface Curing Time (h) | ≤2.0 |
Applications:
1. High viscosity hydroxy silicone oil (107 rubber) is the main raw material of RTV mold silicone rubber, defoamer and silicone glass glue.
2. Because of its good electrical insulation, it can be used as insulation, moisture-proof, shock-proof and heat-resistant perfusion sealing materials in electronic components and assemblies such as radios, electronic instruments and semiconductors.
Packing:
Net weight 190/200kgs iron drum or 950/1000kgs IBC container.
Storage:
1. This product should not be in contact with strong acid and alkali. Keep away from fire and direct sunlight.
2. Store at room temperature in a dry and well-ventilated place. It has 24months shelf life in closed containers.
3. Transport as non-toxic and non-dangerous goods.
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