How is the reactive identity and functional group stability of Polyurethane CAS 9009-54-5 quantified prior to shipment?

The chemical identity and reactivity of the prepolymer are verified through strict di-n-butylamine titration to measure the exact free isocyanate (NCO) content. This ensures the polymer chain length and reactive potential strictly match the target molecular weight distribution, distinguishing it from fully reacted inert plastics.

Is this specific polymer matrix intended for formulation into solvent-borne or 100% solid industrial coating systems?

This technical-grade material is engineered primarily for 100% solid or high-solids two-component (2K) reactive systems. It is commonly used where low-VOC or zero-VOC formulations are required, serving as the reactive binder that cures upon exposure to ambient moisture or a designated polyamine crosslinker.

Polyurethane CAS 9009-54-5

Polyurethane CAS 9009-54-5 is a versatile macromolecular synthetic polymer formulated through the precise exothermic polyaddition reaction between diisocyanates and polyhydroxyl compounds. Operating extensively within the construction and coating chemicals category, this highly adaptable PU resin acts primarily as a cross-linked structural matrix and thermal insulator in rigid or semi-rigid configurations. The macromolecular network of cellular polyurethane provides exceptional mechanical load-bearing capacity and hydrolytic stability, making it a critical chemical component for continuous paneling and heavy-duty floor coatings. As a primary architectural polyurethane foam, the material exhibits superior resistance to non-polar solvents, abrasion, and mechanical fatigue when integrated into complex polyurethane elastomer matrices or industrial sealant systems. Our integrated synthesis infrastructure allows us to maintain competitive factory pricing for formulation engineers requiring customized specifications such as specific NCO/OH ratios, gel times, and viscosity profiles. We provide fully authenticated technical documentation, including MSDS, TDS, COA, with every global shipment to facilitate seamless quality audits and ensure strictly regulated bulk supply for large-scale continuous manufacturing processes.

CAS: 9009-54-5
Synonyms: PU resin, Cellular polyurethane, Polyurethane foam, Polyurethane elastomer
Einecs: 210-898-8
Molecular Formula: (C3H8N2O)n
Grade: Industrial Grade / Technical Grade
Package: 200kg/iron drum, 1000kg/IBC drum, or bulk ISO tank

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Product Description

Technical Data

Properties	Specifications (Typical Liquid Prepolymer/Resin)
Appearance	Clear to amber viscous liquid (pre-curing)
Solid Content	≥ 99.0%
Density (at 25°C)	1.05 – 1.20 g/cm³
Viscosity (at 25°C)	1000 – 3500 mPa·s
Free NCO Content	3.5% – 6.5% (customizable)
Moisture Content	≤ 0.05%
Flash Point	> 200°C
Cured Shore Hardness	60A – 80D (depending on formulation)

Applications

Industrial Insulation: Formulated into rigid structural foams for cryogenic storage, heavy pipeline insulation, and refrigerated transport vehicles due to its extremely low thermal conductivity.
Heavy-Duty Coatings: Utilized as the primary binder in two-component (2K) industrial floor coatings and anti-corrosion marine paints, providing high UV and chemical resistance.
Elastomeric Components: Cast into high-wear industrial parts such as conveyor rollers, heavy-load wheels, and automotive suspension bushings that require high tensile strength and tear resistance.

Storage & Safety

Storage: Store strictly in tightly sealed, moisture-proof containers within a dry, well-ventilated warehouse (15°C – 30°C). Atmospheric moisture will react with free isocyanate groups to release carbon dioxide, potentially causing pressure buildup and premature curing.
Safety (PPE): Operators must wear chemical-resistant butyl gloves, full-face splash goggles, and NIOSH-approved organic vapor respirators. The uncured resin may cause respiratory and dermal sensitization; ensure robust local exhaust ventilation is active during decanting and mixing procedures.

Quality Assurance

Our polymer manufacturing facility employs advanced Fourier-transform infrared spectroscopy (FTIR) to monitor the exact degree of isocyanate conversion and polyaddition completion during batch synthesis. Each production run undergoes rigorous titration to determine the exact Free NCO% and automated rotational viscometry testing, ensuring predictable reaction kinetics and consistent physical properties for downstream industrial processors.

FAQ - Technical & Supply Chain

Q:
How is the reactive identity and functional group stability of Polyurethane CAS 9009-54-5 quantified prior to shipment?

A: The chemical identity and reactivity of the prepolymer are verified through strict di-n-butylamine titration to measure the exact free isocyanate (NCO) content. This ensures the polymer chain length and reactive potential strictly match the target molecular weight distribution, distinguishing it from fully reacted inert plastics.
Q:
Is this specific polymer matrix intended for formulation into solvent-borne or 100% solid industrial coating systems?

A: This technical-grade material is engineered primarily for 100% solid or high-solids two-component (2K) reactive systems. It is commonly used where low-VOC or zero-VOC formulations are required, serving as the reactive binder that cures upon exposure to ambient moisture or a designated polyamine crosslinker.

Documents

Documents and Product Support

For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

COA for batch-based quality reference
TDS for key physical and chemical information
SDS / MSDS for handling, storage, and safety reference
Packing information for sample, trial, and bulk orders
Technical communication based on application and specification requirements

Quotation

Information to Confirm Before Quotation

Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

Product name and CAS number
Application or intended end use
Required purity, grade, or specification
Sample quantity, trial order, or bulk demand
Preferred packing form or net weight
Destination country or port
Required documents or compliance expectations

Storage & Handling

Packaging, Storage, and Handling Notes

Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

Supply Support

Sample, Bulk Order and Repeat Supply Support

Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

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Product Categories

Tags:

Coating Resin Elastomer Polymer Polymer Resin Polyurethane Resin

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