polyurethane stabilizer, PU stabilizer, PUR stabilizer
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Sunny Chemical Corp. Ltd.
Polyurethane stabilizers are liquid additives, which are specially suitable for processing and aging conditions of polyurethane, such as: TPU, RIM, PU foam, PU leather, as well as PU adhesive, PU shoe soles etc.
Polyurethane stabilizers include the following products:
1) PURSTAB 55
2) PURSTAB 65
3) PURSTAB 78
4) PURSTAB 85
The recommended polyurethane stabilizers hold the following advantages
1) Low volatility;
2) Shortening of mixing time;
3) Dust free handling, automatic dosing;
High compatibility with liquid polymers
Chemical name Polyurethane liquid blend heat stabilizer
Synonym IRGASTAB PUR 55; IRGANOX B 3557
Introduction PURSTAB 55 provides better scorch resistance and superior light and gas fade stability of polyether and polyester polyol based polyurethane flexible foams.
PURSTAB 55 also can be used for stabilization of polyol during production, storage and processing.
Physical properties Appearance: slightly yellowish liquid
B. P. : 200 0 min.
Density: 0.98 g/cm3.
Solubility: (g / 100 ml, 20 0)
Toluene 50 min
Ethanol 25 min.
Hexane 50 min.
Ethylacetate 50 min.
Water 0.01 max.
Advantage Low volatility;
Shortening of mixing time;
Dust free handling, automatic dosing;
High compatibility with liquid polymers;
Usage 0.50 1.5 wt%.
Toxicity & Safety
PURSTAB 55 can be safely handled without irritation caused to the skin.
In 25 kg plastic drum.
In a closed system and dry , dark place without any light exposure.