Unilink® 1729

Unilink® 1729 is a high-molecular-weight, low-monol polyether polyol that exhibits excellent low-temperature flexibility, hardness, shock absorption, and resistance to heat, abrasion, solvents, and hydrolysis. It is recommended for use in polyurethane applications, cast elastomers, sealants, epoxy flexibilizers, isocyanate-terminated prepolymers, PU rigid foam, molding foam, and automobile seat cushions.

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Manufacturer
Dorf Ketal
Product Line
Unilink® Chain Extenders and Catalysts
Product
Unilink® Polyethers and Polyurethane
Industries
Adhesives Coatings Elastomers
Authorized Countries
Austria Canada France Germany Italy Mexico Spain Switzerland United Kingdom United States
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Specifications

Color: Max 50 Pt-Co
Acid number: Max 0.02 mg KOH/g
Hydroxyl number: 26.5–29.5 mg KOH/g
Water wt.: Max 0.03%
Bulk density: 8.4 lb/gal
Specific gravity at 20°C: 1.01
Appearance: Clear, viscous liquid
Flash point (PMCC), °C: 213
Viscosity at 25°C (cps): 980
Primary Chemistry: Polyether Polyol

Features & Benefits

  • High molecular weight
  • Polyurethane catalyst
  • Low monol polyol ether
  • Acidified with low-level phosphoric acid
  • Good low-temperature flexibility
  • Excellent hydrolysis resistance
  • Abrasion resistance
  • Heat resistance
  • Hardness
  • Solvent resistance
  • Shock absorption
  • Low viscosity of the raw material system
  • Easy to dissolve with isocyanate

Problems Solved

Breakability at low temperatures Damage from shock and stress

Applications

Polyurethanes Cast elastomers Sealants Epoxy flexibilizers Isocyanate terminated prepolymers PU rigid foams Soft foams Molding foam products Automobile seat cushions

Related Applications
Adhesives Coatings
Related End Markets
Elastomers
Related Functions
Adhesives Coatings Elastomers
Related Processes
Elastomers
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Product Info: Unilink® 1729 is a high-molecular-weight, low-monol polyether polyol that exhibits excellent low-temperature flexibility, hardness, shock absorption, and resistance to heat, abrasion, solvents, and hydrolysis. It is recommended for use in polyurethane applications, cast elastomers, sealants, epoxy flexibilizers, isocyanate-terminated prepolymers, PU rigid foam, molding foam, and automobile seat cushions.
Grade: Unilink® 1729
Document Type: TDS
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