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Topic: Question on chipboard glue  (Read 279 times)

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Offline nontony

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Question on chipboard glue
« on: March 13, 2019, 02:51:57 PM »
Hi
We have a problem on our glue (at chipboard production) i wrote the results and the glue specifications below:

A sample formula experiment and results at 180 degrees:
55% glue 40 liter
25% ammonia 0.325 liters
1% water 3.5 liter
   gel -55
Result: the gel time was observed short, the speed of the press was long, and manufacturing errors occurred

Code: [Select]
UREA FORMALDEHYDE RESIN L18 / 15-N
PRODUCT SPECIFICATION
Appearance Milk white Solids, 65 ± 1.0% Lab 5.11.03.01 Density, g / cm3, 20 ° C 1,270 - 1,290  Viscosity, cPs, 20 ° C 400 - 800 Lab  pH, 20 ° C 7.5 - 9.0  Reactivity, s, 100 ° C 35 - 45  Free Formaldehyde, 0.30% max.

Anyone can help us to identify the bit a of a problem?

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