Hot Melt Glue – EVA, PO & PA Types

Hot melt glue, also called hot melt adhesive is widely used in air filters and oil filters for bonding, shaping and assembling in the production process. Because hot melt glue is environmental protection and fast curing, which can increase production efficiency. Different filter applications have different requirements for the characteristics and materials of filter hot melt glue. Commonly used filter hot melt glue include EVA, PO (Polyolefin), PA (Polyamide), etc. And PA hot melt glue is especially used for oil-resistant and high-temperature filtration.

Two different types of hot melt glues
Specification
A pile of LMHB150 hot melt glue particles.

LMHB150

A pile of LMHB180 hot melt glue particles.

LMHM180

A pile of LMHP232 hot melt glue particles.

LMHP232

A pile of LMHH190 hot melt glue particles.

LMHH190

A pile of LMBX280 hot melt glue particles.

LMBX280

A pile of LMFT412 hot melt glue particles.

LMFT412

Glue Model LMHB150 LMHM180 LMHP232 LMHH190 LMBX280 LMFT412
Application For Edge Bonding of Cabin Air Filter For Pleating Stabilization of Air Filter For Pleating Paper Bonding of Car Air Filter For Pleating Paper Bonding of ECO Fuel and Oil Filter For Pleating Paper Bonding For Edge and Roll Paper Bonding of Fuel Filters
Appearance White particle Yellow transparent particle Milky white particles Bright yellow and brown particles White particles White particles
Density - 0.879 g/cm³ - - - 1.25 g/cm³
Contents EVA PO (Polyolefin) EVA PA (Polyamines) PO (Polyolefin) PA (Polyamines)
odor Odourless Odourless Odourless Odourless Minimal Odor Odourless
Melt Condition Colorless and transparent Yellow transparent Yellow transparent Bright yellow and brown transparent colorless and transparent Milky
Melt Speed 5–8 s Moderate 3–5 s 3–8 s medium speed 8-10 s
High Temperature Resistance 80 °C 100 °C 100±5 °C 220–240 °C >70 °C 220–240 °C
Low Temperature Resistant - -20 °C - - - -
Viscosity 5500–8500 cP (180 °C) 6000–10000 cP (180 °C) 5500–8500 cP (180 °C) 1600–3200 cP (210 °C) 3000±500 cP (180 °C) 15000-20000 cP (200 °C)
Softening Point 95±5 °C 110±10 °C 110±5 °C 175±5 °C 105±5 °C 120±5 °C
Glue performance Even & smooth Even & smooth Even & smooth Even & smooth Uniform & smooth Even & smooth
*Recommended Operating Temperature 150–170 °C 110–120 °C 160–180 °C 180–200 °C Box – 150 °C;
Hose – 130 °C;
Glue nozzle – 130 °C
180–200 °C
Advantage Good initial tack, fast curing speed, high bonding strength, no glue opening. Low density, good low temperature resistance, not brittle, good fluidity. Good viscosity, fast curing speed, high temperature resistance, good performance. UL grade standard, non-toxic, in line with environmental protection requirements. Resistant to high temperature ultraviolet rays and flame retardant. Fast curing speed, no glue opening, good viscosity, good toughness 100% solid content, good bonding performance, slow crystallization speed, good high and low temperature resistance, oil resistance, solvent resistance, excellent mechanical strength, good workability; non-toxic, non-corrosive, non-irritating, green and environmentally friendly.
Application

Hot melt glue is widely used for the folding and shaping of the filter paper, the bonding of the filter frame and the filter paper, and the frame filling and sealing.

Two pieces of cabin air filter.

For Edge Bonding of Cabin Air Filter

A piece of PU air filter.

For Pleating Stabilization of Air Filter

A piece of car air filter and a detail of gluing production.

For Pleating Paper Bonding of Car Air Filter

A piece of eco fuel and oi filter.

For Pleating Paper Bonding of ECO Fuel and Oil Filter

Two hepa filters on white background.

For Pleating Paper Bonding of HEPA Filters

A fuel filter is installed on the equipment

For Pleating Paper Bonding of Fuel Filters

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