The “A” component, while in the drum, will react with atoms in the air resulting in the formation of crystal like skin structures. The “A” material should be sealed properly to limit the potential of these formations that if allowed to form will contaminate the liquid. Contamination may make the liquid impossible to process, requiring disposal and wasting of the product. Once the drum is opened, the air needed to replace the displacement of the “A” material being removed should be dry. This is achieved be either low pressure nitrogen being let in the drum as the material is displaced or filtered through a desiccant dryer.
Spray mechanics generally prefer a product that maintains a good level of sprayability for processing. Applying or processing spray foams just on the cooler side of the temperature processing spectrum can aid in maintaining a good pattern.
How to choose the right foam for your portable spray foam equipment
When determining which type of polyurethane spray foam insulation to install, careful consideration should be placed on which type of cell is appropriate for the application. SprayWorks portable spray foam equipment is designed to accommodate both open cell and closed cell foam insulation.
Whether by choice or the imposition of an economic downturn, those within the construction trade who have realized the benefits of implementing lean concepts are way ahead in the industry. The manufacturing industry first experienced measurable results, proving the effectiveness of applying lean principles. Global recession has been behind the spread of lean construction throughout the world.