Polyurethane Hot Melt Adhesive, Model VT-2468

Polyurethane Hot Melt Adhesive, Model VT-2468
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VT-2237 moisture curing polyurethane hot melt adhesive is a reactive adhesive whose basic reactant is urethane prepolymer, has a high initial viscosity which can shorten the holding time and can quickly position and bond components.

Before using, the VT-2237 has an excellent flowability and after complete curing, the adhesive also has a high impact resistance and thermal stability.

Parameters
Color Solid content Opening time Temperature range Smell Density Viscosity Warm-up time and temperature Gap fill Package
Buff 100% 2~3(min) 100~120 Light 1.10 ± 0.05(g/cm3) 5,300(mPa.s) 100 ℃ for 20-30 min 0.127mm Rubber tube 30ml
Operation

Pre-cleaning: The base materials must be clean, dry and free from oil.

Using: You can use the VT-2468 hot melt glue gun or injection hot melt machine to apply the melting adhesive. If there is a long pause during usage, a temperature reduction of the melting adhesive is necessary because long exposure to high temperatures reduces the viscosity's

Curing: VT-2468 adhesive is a moisture curing hot melt adhesive, and the adhesive will be fully cured in as little as 1 to 5 days. The completely cured adhesive has a high impact resistance.

Removing: The solidified glue will be removed only through the use of mechanical methods. We recommend completely cleaning equipment before curing, and if necessary, take the equipment apart in order to eliminate any previous solidified adhesive.

Strength testingTest1: PC/PC
Time 5min 10min 30min 1h 2h 4h 8h 24h
Strength(Mpa) 0.39 0.42 0.7 1.24 4.36 5.1 5.14 5.37
Test2: PA/GF(30%)
Time 5min 10min 30min 1h 2h
Strength(Mpa) 0.35 0.96 1.76 3.54 4.2
Storage
  • The adhesive should be stored away from heat sources, frost and moisture, and remain in a cool, dark and dry environment.
  • The best storage temperature is 5~25℃ and the quality guarantee period is 6 months if the rubber tube remains unopened and sealed.
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