1. Product specialty:
5100C is urea formaldehyde resin powder as binders special for woodworking processing. It owns high bonding strength, low formaldehyde content as well as ideal water resistance. This powder is suitable for the cold pressing and hot pressing project.
2. Performance index:
Item unit description
Powder:
Appearance -- white powder
Moisture content % 1~3
Volatile substance % <2.5
Bulk density kg/m3 500~800
Molar ratio (f/u) -- 1.55
Solution ( 60% content in water)
Ph value -- 8~9
Viscosity at 25 c cps 300~550
Curing time (2% nh4cl at 25 c) hour 3~6
Curing time (2% nh4cl at 100 c) second 55~80
3. Dissolving glue powder:
A) mixture ratio:
Item ratio( pbw)
Uf powder 100
Water 50~150
(according to actual situation)
B) dissolution method:
Put less than 30pbw of the total needed water into mixer, and then add uf powder in. Switch on the mixer with speed of 50~150 rotations / minute, after glue powder being completely dissolved, put the remained water in mixer gradually along with churning. Continue to agitate for further 3~5minutes until the glue solution is completely mixed together again.
C) the user could add hardener into the mixed liquid glue according to actual requirement, and control the active period of dissolved liquid glue.
4. Storage & note
A) storage life: 1 year under temperature lower than 30 c.
B) the goods should be stored in a dry, ventilated location. Avoid direct sunshine and moisture.
C) the package should be sealed again immediately once the pack has been opened to avoid moisture.
D) avoid contact with eyes. Once splashed into eyes, flushed out with plenty of clean water. Consults doctor if necessary.
1. Multi-ply paper bag with polyethylene liner.
2. 20kg/bag.
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