- Min.Order :15 Kilogram
- Purity: 27%
- Payment Terms : L/C,D/A,D/P,T/T,Other
Keywords
DESMODUR RFE DESMODUR RE Polyisocyanate Crosslinking Agent
Quick Details
- Appearance:yellow-green or red-brown to dark violet
- Application:Desmodur RE polyisocyanate is a highly effective crosslinker for adhesives based on Desmocoll polyurethane, natural rubber or synthetic rubber. Desmodur RE polyisocyanate is also useful for improving
- PackAge:Desmodur RE is supplied in metal bottles or cans containing 0.75 kg or 55 kg respectively.
- ProductionCapacity:500|Metric Ton|Day
- Storage:Desmodur RE polyisocyanate will remain stable for six months after receipt of material by customer, when stored in its sealed original containers at temperatures of 10 - 25°C
- Transportation:by express delivery or sea shipping
Superiority:
Application
Desmodur RE polyisocyanate is a highly effective
crosslinker for adhesives based on Desmocoll polyurethane, natural rubber or synthetic rubber. Desmodur RE polyisocyanate is also useful for improving adhesion to rubber-based materials.
After adding Desmodur RE polyisocyanate to a polyurethane or rubber-based adhesive, the ready-to- use two-component mixture must be used within its
pot life. Pot life is not only governed by the polymer content of the adhesive but also by its other compo- nents (resins, antioxidants, plasticizers, solvents, etc.). At the end of the pot life, which can vary from
several hours to one working day, the adhesive becomes increasingly difficult to process and its viscosity increases rapidly. Finally, irreversible gelling occurs. The following guide values are suggested for determining the amount of crosslinker to be used. Amounts given are parts by weight (pbw).
To crosslink 100 pbw adhesive: Desmocoll® (hy- droxyl polyurethane) based adhesives (containing
20% polyurethane) should be crosslinked with 4 - 7
pbw Desmodur RE polyisocyanate. Baypren®
(polychloroprene rubber) based adhesives (containing approximately 20% rubber content) should be crosslinked with 4 - 7 pbw Desmodur RE polyisocyanate.
Details:
|
Property |
Value |
|
NCO content of solution (DIN EN ISO 11 909, Annex A)(%) |
9.3 ± 0.2 |
Typical Properties*
|
Property |
Value |
|
Form supplied |
approx. 27% in ethyl acetate |
|
Non-volatile content (DIN EN ISO 3251) |
approx. 27% |
|
Density at 20°C (DIN 53 217/5) |
approx. 1.0 g/cm³ |
|
Viscosity at 20°C (DIN 53 015) |
approx. 3 mPa•s |
|
Solvent |
ethyl acetate |
|
Flash Point (DIN 51 755) |
-4°C |
|
Appearance |
yellow-green or red-brown to dark violet liquid |
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