POLYGLYKOL PR 450

CAS-No.: 9003-11-6

Polyglykol PR 450 is a polyalkylenglycol that is used for a wide variety of applications including: reactive diol/polyether component in polyester or polyurethene resins; component of auxiliaries for leather and textile processing; cosmetic formulations; lubricant and mould release agent for rubber and elastomer processing; plasticizer and binder for ceramic and concrete manufacturing; component of lubricant formulations; water soluble, lubricating component in metalworking fluids; humectant for paper, wood and cellulose films; solvent and humectant for dyes and inks; modifier for production of regenerated viscose; humectant and plasticizer for adhesives; and heat transfer medium.

Polyglykol PR 450 is a clear neutral liquid at room temperature, and the molecular weight is 425 – 475g/mol. 
Polyglykol PR 450 displays typical chemical reactions of alcohols/diols. 
The solidification point of Polyglykol PR 450 is about 30 °C lower than that of the polyethylene glycol 400.

Product properties of Polyglykol PR 450:
Polyglykol PR 450 is a clear neutral liquid at room temperature. 
Polyglykol PR 450 can be supplied in tank trucks or in steel drums. 
Its two hydroxy end groups as well as its ether groups mainly control the physical and chemical properties of Polyglykol PR 450. 

Therefore Polyglykol PR 450 is soluble in water and polar organic solvents like aceton or methanol.
Polyglykol PR 450 is insoluble in pure hydrocarbons.
Polyglykol PR 450 displays typical chemical reactions of alcohols/diols. 

The solidification point, of Polyglykol PR 450 is about 30 °C lower than that of the polyethylene glycol 400. 
This simplifies handling of Polyglykol PR 450 at low temperatures. 
Besides the lower solidification point properties in general are very similar to polyethylene glycol 400.

Storage of Polyglykol PR 450:
When Polyglykol PR 450 stored in a cold, dry place in a closed container Polyglykol PR 450 can be kept for at least two years.

Applications of Polyglykol PR 450:
Based on their physical and chemical characteristics PR-type polyglycols similar to polyethylene glycols are used for a wide variety of applications.

Fields of industrial application of Polyglykol PR 450:
- Reactive diol/polyether component in polyester or polyurethene resins
-Component of auxiliaries for leather and textile processing
- Cosmetic formulations
- Lubricant and mould release agent for rubber and elastomer processing
- Plasticizer and binder for ceramic and concrete manufacturing
- Component of lubricant formulations
- Water soluble, lubricating component in metalworking fluids
- Humectant for paper, wood and cellulose films
- Solvent and humectant for dyes and inks
- Modifier for production of regenerated viscose
- Humectant and plasticizer for adhesives
- Heat transfer medium

Product data of Polyglykol PR 450:
water content (DIN 51777) % m/m max. 0.5
colour index [APHA] (EN 1557) max. 50
pH (10% w/w in water) (DIN 19268) 4 – 7
hydroxyl number (DIN 53240) mg KOH/g 236 – 264
molecular weight g/mol 425 – 475
pour point (ISO 3016) °C - 25
density at 20°C (DIN 51562) g/cm³ 1.108 – 1.112
refractive index at 20°C (DIN 51423, Part 2) 1.463 – 1.467
viscosity at 50°C (DIN 51562) mm²/s 26 – 32
flash point (DIN 51376) °C 248
ignition temperature (DIN 51794) °C 380

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Acts as a solvent, humectant and plasticizer. 

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Acts as a solvent, humectant and plasticizer. 

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