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Polymer Additives
by SpecialChem
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Products Compatible with TPPi

Based on HSP Distance

Products Compatibility & HSP Distance

Hansen Solubility Parameters (HSP) helps to predict the compatibility of ingredients.

It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters :
- δD (Dispersion force interactions)
- δP (Polar forces interactions)
- δH (Hydrogen bond force interactions).

If ingredients have matching HSP’s (distance=0) then they will be completely compatible. If there is a small distance between them then they are predicted to have good but not perfect compatibility. As the HSP distance gets larger the ingredients will become more incompatible.

In general, ingredients having an HSP distance below 2 will have good compatibility. Between 2 and 4, you will have medium compatibility. Above 4, you will have limited to no compatibility.

Most HSP values used to calculate the distance are estimates. Information provided below is to be used as an indication of compatibility.
3 products match your search
Product Name
Hsp Distance: 3.7
Benzoic acid, 3,5−bis(1,1−dimethylethyl)−4−hydroxy−, hexadecyl ester. BLS® 2908 by Mayzo acts as a light stabilizer. It functions by scavenging free radicals formed during the photodegradation of... view more
Hsp Distance: 3.8
BLS®1770 by Mayzo is decanedioic acid, 1,10−bis(2,2,6,6−tetramethyl−4−piperidinyl) Ester. Acts as an hindered amine light stabilizer. It is free-flowing, low dust, exhibits excellent long-term light... view more
Hsp Distance: 4.0
UV absorber highly recommended for protective coatings. Does not cause yellowing. Provides excellent protection in a variety of automotive coating substrates. Has excellent solubility in urethane... view more
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