Toluene Diisocyanate TDI 80/20

Red drums on pallets inside a container beneath a Toluene diisocyanate 80 heading

TDI / Toluene Diisocyanate

Product
Toluene Diisocyanate TDI 80/20
CAS number
26471-62-5/584-84-9

Overview

TDI 80/20 is a mixture of 2,4- and 2,6-toluene diisocyanate in an 80:20 isomer ratio. It is used in flexible polyurethane foam production for applications such as mattresses, furniture cushioning and automotive seating. Review the product specifications and contact Aoxintong for technical documents and supply details.

Also known as

TDI 80/20; TDI-80; toluene diisocyanate 80/20

CAS number

26471-62-5/584-84-9

Molecular formula

C9H6N2O2

Molecular weight

174.16

Specifications

Test Items Specifications
Appearance Colorless or light yellow liquid
Viscosity (25℃) /mPa·s 3
Isocyanate content (-NCO)/% ≥48
Density (25℃) /(g/cm³) 1.22
Hydrolyzable chlorine /% ≤0.01
Acid value /% ≤0.004

Applications

TDI 80/20 is used in flexible polyurethane foam production, including slabstock foam for mattresses and furniture cushioning. The appropriate grade depends on the formulation, production equipment and intended foam properties.

Packaging

250 kg/drum

Storage

It should be stored at room temperature between 15°C and 25°C, avoiding extremes of temperature and humidity.

TDI 80/20 questions

What does 80/20 mean in TDI 80/20?

It describes the ratio of the 2,4-TDI and 2,6-TDI isomers. It does not mean that the product has a purity of 80%.

Is TDI 80/20 the same as TDI 65 or TDI 100?

No. These grades have different isomer compositions. Select the grade specified for your formulation and process.

Technical documents and supply enquiries

Request the current manufacturer TDS and SDS, and confirm the specification, packaging, order quantity and delivery requirements for your enquiry. Please include your application, processing method and required quantity.

TDI for flexible polyurethane foam · Request technical documents and a quotation

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