ACHWL CER 4221 UH by Achiewell is a cycloaliphatic epoxy resin. It possesses lower viscosity than epi- & bis-epoxy resins for general purposes and contains no halogen impurities such as chlorine.
- It is produced by proprietary epoxidation using a special catalyst system.
- It provides superior transparency with acid anhydride curing agents and offers cured parts with a high heat deformation temperature.
- ACHWL CER 4221 UH is suitable for electrical-insulating varnishes, electrical-resin porcelains, insulating sealants for semiconductors, and transparent insulating sealants for light-emitting diode.
- It has a shelf life of 24 months.
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Compliance
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ACHWL CER 4221 UH properties
Other properties
| Properties | Value & unit | Test condition | Test method |
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| Boiling Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Color, APHA | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Epoxy Equivalent Weight | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Freezing Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Moisture Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Sodium Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Total Chlorine Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vapor Pressure | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility Properties | Element | Condition | Method |
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