Specifications: fiber thickness 0.125D thickness: 0.5mm weight: 80-120g/m PET&PA6 microfilament lighter than needle felt, stong,low emission * unique and the only production line for making this microfilament nonwoven cloth * washable and durable, long last character helps protecting our enviroment * lint free * light weighted, only 100g per square meter and around 0.5mm thickness of the fabric, it can be used in house or car as a composit under-layer, or acoustic drapes, blinds and curtains * Sound energy is absorbed by this nonwoven fabric thanks to the air permeability of the internal structure of tightly entangled microfilaments * combination of raw material: 70%PET and 30%PA6 * packaging: plastic bag wrapping for rolls or customized for small pieces acoustic fabric