... bonded hair extensions 3.yellow, black, white, brown Chinese keratin glue grains.Color: black, white, yellowMelting point: 90 °CHardness: ... pre-bonded hair extensions.It could be made into U (nail) tip, I (stick) tip, V tip and flat ... viscosity and transparencycolor: yellowmelting point: 120 °C hardness: softItalian glue grains:high viscosity and transparencycolor: whitemelting point: 140 °C Keratin ...