Features: HDI Trimer,, Water-Dispersible, Anionic, 150°C Deblock
Application: Textile & Fabric
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BI-70E is an anionic, water-dispersible, water-based blocked polyisocyanate crosslinker based on HDI trimer chemistry.
| Parameter | Value |
|---|---|
| Product Type | Water-based Blocked Polyisocyanate (HDI Trimer) |
| Ionic Type | Anionic (Water-dispersible) |
| Solid Content | 70% |
| Valid NCO | 7.8 ± 0.5% |
| Free NCO | ≤ 0.2% |
| Viscosity | 2000 ± 500 cps (25°C, rotational) |
| Deblocking Temperature | 150°C |
| Standard Solvent / Carrier | PMA (propylene glycol methyl ether acetate) |
Specifications are based on Dongsen’s current approved product data source.
BI-70E can be used as a crosslinker in textile and fabric application formulations.
Final suitability should be validated in the customer’s actual formulation and process conditions.
When to Consider BI-70E
Consider BI-70E where an anionic, water-dispersible HDI-trimer blocked crosslinker and a 150°C deblocking point match the formulation and process requirements of a textile or fabric system.
Confirmed Selection Signals
BI-70E combines HDI-trimer blocked polyisocyanate chemistry with an anionic water-dispersible form and a confirmed 150°C deblocking temperature. Refer to Technical Data for the complete specification table.
Application Fit
The confirmed application direction is Textile / Fabric. Final suitability still requires validation in the customer’s actual formulation and process.
Related Grade Directions
If a different specification or deblocking-temperature window is required, BI-70D and BI-70C may also be reviewed using their own Technical Data. No performance ranking is implied.
Ask Dongsen for Grade Selection
Share your formulation type, application and process requirements with Dongsen for grade-selection support.
Technical Documentation
Contact Dongsen to confirm the currently available technical-document set for BI-70E.
What is BI-70E?
BI-70E is an anionic, water-dispersible, HDI-trimer-based blocked polyisocyanate crosslinker with a confirmed 150°C deblocking temperature.
Which application direction is confirmed for BI-70E?
The confirmed application direction is Textile / Fabric. Final suitability should be validated in the customer’s actual formulation and process conditions.
