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Desmodur® NZ 486 BA

Aliphatic polyisocyanate based on isophorone diisocyanate and hexamethylene diisocyanate.As the hardener component for weather-stable coating systems.

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About

Product Types

  • PIC
  • IPDI
  • HDI
  • Isocyanate
  • Polyisocyanurate
  • Aliphatic polyisocyanate
  • Crosslinkers
  • Polyisocyanate
  • Hardeners

Material

Coatings, paints & inks
Fast curing, Weather resistant

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Product description

Aliphatic polyisocyanate based on isophorone diisocyanate and hexamethylene diisocyanate.As the hardener component for weather-stable coating systems.

Applications

Desmodur® NZ 486 BA polyisocyanate can be used in the formulation of pigmented two-component polyurethane coatings for exterior use.In combination with Desmphen® NH-types the use of Desmodur® NZ 486 BA can also improve the adhesion over various primers.Addionally Desmodur® NZ 486 BA may be used for formulating moisture-curing , one component polyurethane coatings with good gloss retention, light stability and chalk resistance in pigmented formulations.

Form supplied

approx. 86 % in butyl acetate

Specification

Property Test Condition Value Unit Standard
NCO content 10,2 ± 0,5 % M105-ISO 11909
Non-volatile content (1.0 g/60 min/120 °C) 86 ± 2 % M020-ISO 3251
Viscosity at 23 °C 2,100 ± 500 mPa*s M014-ISO 3219/A.3
Hazen color value ≤ 200 M017-EN 1557
Monomeric HDI < 0,10 % M106-ISO 10283
Monomeric IPDI < 0,28 % M106-ISO 10283

Typical Values

Property Test Condition Value Unit Standard
Equivalent weight approx. 412
Flash point approx. 45 °C DIN EN 13736
Density at 20 °C 1,06 g/cm3 DIN 51757

Solubility / thinnability

The product is compatible with the following solvents:ethyl acetate, butyl acetate, 1-methoxypropylacetate-2, acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, xylene, solvent naphtha® 100, butoxyl, butyl glycol, butyl glycol acetate, butyl diglycol acetate, Proglyde DMM, Dowanol® PnB and mixtures thereof.Aliphatic hydrocarbons are unsuitable as solvents.Desmodur® NZ 486 BA should not be thinned to below a solids content of 40 % by weight. Prolonged storage of a solution with lower binder content may result in turbidity and sedimentation.

Compatibility

The product is miscible with the following Desmodur® and Desmophen® products:Desmodur® N 75, N 100, N 3200, ultra N 3300, ultra N 3390, N 3400, ultra N 3600, N 3900, Z 4470; most polyester-based Desmophen® products such as Desmophen® 670 and 680; the Desmophen NH - types and acrylate-base resins.

Storage

- Storage in original sealed Covestro container. - Recommended storage temperature: 0 - 30 °C. - Protect from moisture, heat and foreign material. General information: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product.

Storage time

Covestro represents that, for a period of six months following the day of shipment as stated in the respective transport documents, the product will meet the specifications or values set forth in section "specifications or characteristic data" above, what ever is applicable, provided that the product is stored in full compliance with the storage conditions set forth in and referenced under section "storage" above and is otherwise handled appropriately.The lapse of the six months period does not necessarily mean that the product no longer meets specifications or the set values. However, prior to using said product, Covestro recommends to test such a product if it still meets the specifications or the set values. Covestro does not make any representation regarding the product after the lapse of the six months period and Covestro shall not be responsible or liable in any way for the product failing to meet specifications or the set values after the lapse of the six months period.

Health and Safety Information

Before working with this product, you must read and become familiar with the available information on its risks, proper use, and handling. Information is available in several forms, e.g.,  in particular in the currently valid safety data sheets and product labels. For further information contact your Covestro representative.

The Product Safety First Program | Covestro

Disclaimer

General

The manner in which you use our products, technical assistance and information (whether verbal, written or by way of production evaluations), including any suggested formulations and recommendations, are beyond our control. Therefore, it is imperative that you test our products to determine suitability for your processing and intended uses. Your analysis must at least include testing to determine suitability from a technical, health, safety, and environmental and regulatory standpoint. Such testing has not necessarily been done by Covestro, and Covestro has not obtained any approvals or licenses for a particular use or application of the product.

Unless we otherwise agree in writing, all products are sold strictly pursuant to the terms of our standard conditions of sale which are available upon request.

All information and including technical assistance is given without warranty or guarantee and is subject to change without notice. It is expressly understood and agreed by you that you assume and hereby expressly release indemnify us and hold us harmless from all liability, in tort, contract or otherwise, incurred in connection with the use of our products, technical assistance, and information. Any statement or recommendation not contained herein is unauthorized and shall not bind us. Nothing herein shall be construed as a recommendation to use any product in conflict with any claim of any patent relative to any material or its use. No license is implied or in fact granted under the claims of any patent.

Non Medical and non Food Contact

This product is not designated for the manufacture of a medical device or of intermediate products for medical devices (1). This product is also not designated for other specifically regulated applications (e.g. including cosmetics, plant protection, fertilisers, plant strengtheners, food processing, food contact and others). If the intended use of the product is for the manufacture of a medical device or of intermediate products for medical devices or for other specifically regulated applications Covestro must be contacted in advance to provide its agreement to sell such product for such purpose. Nonetheless, any determination as to whether a product is appropriate for use in a medical device or intermediate products for medical devices, for Food Contact products or cosmetic applications must be made solely by the purchaser of the product without relying upon any representations by Covestro.

1) Please see the Guidance on Use of Covestro Products in a Medical Application document.

Sample

Any samples provided by Covestro are for testing purposes only and not for commercial use.

Typical value

These values are typical values only. Unless explicitly agreed in written form, they do not constitute a binding material specification or warranted values

Contact

Please use our contact form or contact us directly by sending an e-mail to technical-datasheets@cx.covestro.com .

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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