Emad Behdad

7 Questions 3 Answers 0 Followers

Questions related from Emad Behdad

Does anyone know how we can control the rate of reaction of gel-time in polyol formulation ?

we are having the system polyol with 5 second cream time but after 20 second the rate of reaction rapidly going up and the gel time close to 40 second , So, how we can control the rate of reaction...

20 May 2019 943 3 View

Would you please provide me the process of manufacturing R134a refrigeration gas ?

I am so pleased to know more about establishment of R134a gas refrigeration in advance.

10 December 2018 7,696 1 View

How can we coating activated carbon as a deodorizer on Honeycomb ceramic cordierite?

Please explain the process?

09 July 2014 9,376 1 View

Could you explain the processing of honeycomb ceramic as a deodorizer?

See above

19 June 2014 4,924 1 View

How can we remove and replace cyclopentane by water based materials such as foam blowing agent?

This is a new way to replace cyclopentane by water based materials.

27 April 2014 1,482 3 View

Could you please recommend materials that can be used as blowing agents to make foam for refrigerators?

Please compare cyclopentane and n-pentane as a blowing agent.

24 April 2014 8,053 2 View

What is the problem of separating of polyol ingredients ?

According to the working on polyol system in rigid polyurethane foaming , the polyol ingredients has been separated and encounter with face attached.

01 January 1970 3,666 3 View