Qingdao Exceed Fine Chemicals Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 3000mt/month |
| Delivery Time | 14 work days |
| Packaging Details | 240kg/drum |
| Product Name | Modified MDI Wannate 8798 |
| Appearance | Colorless to pale yellow liquid |
| NCO content | 4.0 ~5.0% |
| Application | Used for polyurethane gel elastomers |
| Packing | 200kg/drum |
| Shelf life | 9 months |
| Brand Name | Wanhua |
| Model Number | Wannate 8798 |
| Certification | ISO9001:2018 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 3000mt/month |
| Delivery Time | 14 work days | Packaging Details | 240kg/drum |
| Product Name | Modified MDI Wannate 8798 | Appearance | Colorless to pale yellow liquid |
| NCO content | 4.0 ~5.0% | Application | Used for polyurethane gel elastomers |
| Packing | 200kg/drum | Shelf life | 9 months |
| Brand Name | Wanhua | Model Number | Wannate 8798 |
| Certification | ISO9001:2018 | Place of Origin | China |
| High Light | Wanhua Wannate 8798 Modified MDI ，Wanhua Wannate 8798 Polyurethane Gel Elastomer | ||
1. Application
WANNATE 8798 is a urethane-modified diphenylmethane diisocyanate (MDI). It appears as a colorless to pale yellow liquid at room temperature. Suitable for the production of polyurethane gel elastomers.
2. Typical Physical and Chemical Properties
| Test Item(s) | Specification(s) |
| Appearance | Colorless to pale yellow liquid |
| Viscosity (25°C), mPa·s | 1900–2900 |
| NCO Content, % | 4.0–5.0 |
| Density (25°C), g/cm³ | 1.00–1.10 |
3. Package(s)
210 liter iron drums, 200 kg/drum
4. Storage
WANNATE 8798 is chemically reactive and readily reacts with moisture to form insoluble urea compounds and release carbon dioxide gas, which can cause drum swelling and increased viscosity. Therefore, containers must be kept strictly dry and sealed, and protected with dry nitrogen during storage.
Store WANNATE 8798 at room temperature (15–25°C) in a well-ventilated indoor area under strict sealing conditions. If the storage temperature falls too low (below 10°C), crystallization may occur. Thus, it must be protected from freezing. If crystallization does occur, the material must be promptly melted by heating. Do not heat above 70°C. Localized overheating is strictly prohibited, as decomposition and gas formation may occur above 230°C. It is recommended to use a hot-air oven with a rotating drum device for heating. After heating, the contents must be mixed thoroughly.
Avoid long-term storage above 50°C to prevent the formation of insoluble solids and an increase in viscosity. Under suitable storage conditions, the shelf life is 9 months. Products beyond the stated shelf life that still meet the specified technical indicators are generally not affected in their usability.
5. Shelf Life
The shelf life of WANNATE 8798 is 9 months from the date of production under recommended storage conditions.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2013
Total Annual:
10000000-20000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leadin... Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leadin...
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