Applications SDPferm RD 4221
The SDPferm RD 4221 Rigid Insulation Foam system is specially developed for isothermal in-situ injection for tanks and for the insulation of pipes carrying glycol water, crude oil, and district heating, fluid temperature: (-40°C / +100°C).
The SDPferm system. RD 4221 is highly valued for
- An Iso-viscosity Polyol-Isocyanate
- Excellent adhesion to substrates (Stainless steel/metal)
- An excellent lambda value
- Exceptional Dimensional Stability
- Excellent rigidity
The SDPferm RD 4221 Rigid Insulation Foam system is a two-component product designed for application via a mobile in-situ injection machine.
The Polyol is a composition based on Polyether and Polyester polyols, catalysts, and 100% reactive stabilizers, and latest-generation blowing agents (zero ODP and low GWP).
The Isocyanate is an MDI.