Spunbond is available in weights of 17 gram to 220 gram.
These products are available with hyprophobic, anti-static, fire retardant additives.
Chemical Bonding Process
Chemical bonding mainly refers to the application of a liquid based bonding agent to the web. Three groups of materials are commonly used as binders-acrylate polymers and copolymers, styrene-butadiene copolymers and vinyl acetate ethylene copolymers. Water based binder systems are the most widely used but powdered adhesives, foam and in some cases organic solvent solutions are also found.
- Used often as hood insulators
- Bonding agent can be used if a very stiff feel is desired in product
- Capable of very thin grades for the weight