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Hardeners
Category: Paper Impregnation Additives
UNIVERSAL HARDENER A710
A710 is a universal hardener used for
melamine-formaldehyde resins (hereinafter referred to as MF), urea-formaldehyde
resins (UF) and melamine-and-urea-formaldehyde resins (MUF).
A710 features a low dosage without compromising
its excellent balance between latency and reactivity.
MF&MUF HARDENER A1008
A1008 is a latent hardener with high reactivity
for MF and MUF resins.
A1008 exhibits superior latency, which allows a
longer pot life of the impregnation vat formulation and an excellent flow of
resin. Meanwhile, its high reactivity provides an extra boost for curing under
pressing conditions.
MF HARDENER A710-L
A710-L is an ideal MF resin hardener.
A710-L is distinguished by the ultimate latency
even at elevated room temperature.
With A710-L, the water solubility and viscosity
of MF resins will not decrease over time. Furthermore, it assures the transparency
of the outer resin layer.
SUPERLATENT MF HARDENER A710-S
A710-S is a very latent hardener for MF resins.
Its enhanced latency satisfies a prolonged resin
pot life. And its high reactivity ensures curing efficiency under pressing
conditions.
The impregnation vat formulation using A710-S
also extends the shelf life of impregnated paper.
MULTIPURPOSE MF HARDENER A910-L
A910-L is a combi-formula hardener that also
gives impregnated paper an improved gloss. It represses the resin from
whitening and assures the transparency of the outer resin layer.
Due to its outstanding latency, A910-L finds applications
in impregnations with rigorous standards for resin pot life and final product
shelf life.
A910-L is an optimal choice for deep-texture
press plates.
UF HARDENER A0012-T
A0012-T is a latent hardener for UF and MUF
resins.
Due to its superior latency and reactivity, A0012-T
is a reliable choice when a longer resin flow and a shorter pressing cycle are
simultaneously required.
A0012-T has a remarkable curing effect on UF
resin, thus reducing quality problems, such as blocking, which is usually
caused by the migration of UF resin to the paper surface, mixing with MF and
absorbing moisture.
SUPERLATENT UF HARDENER A0012-L
A0012-L is a very latent hardener for UF and MUF
resins.
A0012-L exhibits optimal latency, extending
resin pot life to 8-12 hours at 30-40°C.
A0012-L keeps the resin transparent in the
impregnation vat and prevents the appearance of white spots and heat marks. It
also increases the shelf life of impregnated paper and makes storage and
shipping easier.
|
A710 |
A1008 |
A710-L |
A710-S |
A910-L |
A0012-T |
A0012-L |
UF |
√ |
* |
× |
× |
× |
√ |
√ |
MF |
√ |
√ |
√ |
√ |
√ |
* |
* |
MUF |
√ |
√ |
× |
× |
× |
√ |
√ |
Appearance |
Light Yellow Transparent Liquid |
||||||
Recommended Dosage (%) |
0.1-0.2 |
0.15-0.25 |
0.25-0.35 |
0.3-0.4 |
0.5-0.8 |
0.15-0.25 |
0.15-0.25 |
PH |
7-8 |
6.5-7.5 |
6.5-7.5 |
6.5-7.5 |
7-7.5 |
6.5-7.5 |
6.5-7.5 |
Storage |
Temperature: 5-50℃
Keep the packaging sealed before and after use to
prevent crystallization.
|
||||||
Assay (±3%) |
35% |
70% |
75% |
60% |
80% |
65% |
60% |
Packaging |
200kg HDPE Drum or 1200kg IBC |
*We recommend other models for better results.
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