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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.
Unilink® 1729 is a specially designed low-monol polyol ether acidified with low-level phosphoric acid prepared by taking low-molecular-weight polyol, polyamine, or compound with active hydrogen carried out with ring-opening polymerization on the initiator. It exhibits excellent low-temperature flexibility and hydrolysis resistance, making it the optimal choice for a variety of applications, including polyurethanes, cast elastomers, sealants, epoxy flexibilizers, isocyanate-terminated prepolymers, PU rigid foams, molding foams, and automobile seat cushions. It also has exceptional abrasion resistance, heat resistance, hardness, solvent resistance, and shock absorption.
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
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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