Polyamide Hot Melts for Air Filter

PA130 is an amber-granule, polyamide-based adhesive engineered as one of the most versatile polyamide hot melts for air filter assembly operations. Designed specifically for pleat-stiffening ribs and tension-wire tacking, it combines a short melting range with clean, low-odor application, helping filter makers meet stringent VOC and REACH requirements while keeping production lines free of hazardous solvents.

The product exhibits a ring-and-ball softening point of 120-130 °C and a precisely tuned melt viscosity of 3600 cps at 170 °C. This narrow viscosity window gives PA130 an ideal balance: it flows readily through standard ½-inch hose and swirl-spray nozzles for uniform rib formation, yet sets in less than 8 seconds to lock pleat geometry and prevent spring-back. Fast green-strength development means filters can be inverted or transferred immediately, raising takt time efficiency by up to 15 % on high-speed rotary machines.

Thermal durability is another hallmark. PA130 retains more than 70 % of its room-temperature shear strength after 1000 h at 150 °C in oil-mist environments, outperforming EVA and PO alternatives commonly used in HVAC applications. Its polyamide backbone also resists gasoline, diesel vapours and glycol-based cleaning agents, ensuring that bonded joints stay intact throughout the 50 000 km service life typical of engine-air filters. From –40 °C cold-start conditions to 180 °C under-hood spikes, the adhesive maintains flexibility without cracking or creep, eliminating bypass leaks that could compromise engine protection.

Because PA130 is 100 % solid and RoHS-compliant, it supports zero-emission filter plants; char formation is minimal, giving a pot life of 36 h at 180 °C and reducing nozzle cleaning downtime. Whether you are reinforcing large diesel truck elements or micro-pleating cabin filters, this polyamide hot melt for air filter manufacturing delivers consistent bead profile, reliable wire anchor and an overall greener, more efficient assembly process.

Hot Tags: polyamide hot melts for air filter, China polyamide hot melts for air filter manufacturers, suppliers, factory, Polyamide Adhesives, Polyamide Glue, Polyamide Hot Melt, polyamide hot melt adhesive, Polyamide Hot Melts For Air Filter, Polyolefin Hot Melt