André Lang of Jacob Holm Industries GmbH (Germany) has been developing scrim-reinforced spunlaced nonwovens as replacements for needled products in hot gas filtration.
He listed the performance advantages of spunlace over needlefelts, including tightly controlled pore size distribution and improved dust-holding
Reduced levels of particles in clean-gas resulted.
Pressure drop against air-flow rate comparison: Needlefelts versus spunlace.
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