Help: Blowing Agent

The process or processes that you are using will play a very large role in deciding what options you have. Some blowing agents need heat, some need a pressure drop, some need light, ... What toys do we have to play with?

John Aspen Research, -

Opinions expressed herein are my own and may not represent those of my employer.

Phenolics give off water on cure and must be cured under pressure to keep out voids. Don't know if you can use this to your advantage. Frank

Low boiling hydrocarbons such as (Cyclo-)Pentanes are sold as Physical Blowing Agents for phenolic resins, e.g. ->

PhysicalBlowingAgents for phenolic resins, e.g.

->

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Thank you all for your kind help.

Best regards,

Hucheng