Pentane (hydrocarbon) is an environmentally compatible blowing agent that eliminates the need for using CFCs in rigid and integral skin foams production. Instead of metering the blowing agent directly into the mixing chamber, the addition of pentane takes place batch-wise within a carrier component (usually on the polyol side). Thanks to a frequency-controlled motor, the percentage of blowing agent in the component flow can be controlled to a great extent. Because pentane is explosive at certain concentrations, Hennecke’s PENTAMAT premixing station is equipped with a superior safety system designed for all eventualities. The PENTAMAT station also can process other liquid blowing agents or an additional blowing agent such as butane.
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