Polyether_Polyether Polyol Other Polyether Japan Tosoh TOSOH (formerly NPU) CORONATE HX curing agent

Japan Tosoh TOSOH (formerly NPU) CORONATE HX curing agent

author: Post: 12/06/2023 84read Comments Off

Japan Tosoh TOSOH (formerly NPU) CORONATE HX curing agent

                                                                           

CORONATE HX is used as a curing agent in two-component coatings. It is a product with good weather resistance.

Composition
HDI isocyanate trimer modified polyisocyanate

Form
Polyisocyanate with a solid content of approximately 100%. Contains no solvents.

Specifications

Appearance

Light Yellow liquid

NCOcontent (wt% )

20.5 -22.0

Solid content (wt% )

100

Viscosity25℃ (Gardner）

 （cSt) span>

X -Z2

1290 -3620

Compatibility
CORONATE HX and other curing agents (CONORATE L, CORONATE HL, etc. ), polyols (acrylic polyols, alkyd polyols) have excellent compatibility. However, please conduct a compatibility test before mixing.

Application
Due to the two-component combination of CORONATE HX and acrylic polyol The coating has excellent weather resistance, is not easily affected by ultraviolet rays, and has little color change. It is used in automotive refinishing coatings and industrial coatings. A two-component paint composed of CORONATE HX and alkyd polyol is used as a woodworking paint. When CORONATE HX is added with a resin containing nitrocellulose-based, alkyd-based resin, or polyethylene resin, it can improve the paint's physical properties such as chemical resistance. However, it is necessary to study the mixing ratio, etc. when using it.

Precautions for use
(1)When storing and keeping
Since CORONATE HX is a reactive isocyanate compound, care must be taken to avoid direct sunlight. , keep away from moisture and store in airtight containers. For long-term storage, please keep it in a temperature environment of 20~30℃.
(2)When using and changing packaging
Isocyanate is an extremely active substance. When reacting with water, CO2 gas is produced. When isocyanate is placed in a container mixed with moisture and stored in a sealed container, gas will be generated, which will increase the internal pressure of the container and cause the container to rupture. When small amounts are taken from one container many times, deterioration may occur due to the action of moisture in the air. Therefore, after opening and before sealing, it must be fully replaced with dry air, and great care should be taken to prevent moisture from mixing in

(3) When diluting
When diluting CORONATE HX with a solvent, you must not only pay attention to the moisture content in the solvent, but also pay attention to preventing moisture from mixing during the dilution operation. Please perform dilution work in a dry room.

Security
①CORONATE HX contains isocyanate, so care must be taken when using it.
② When using, please follow the Material Safety Data Sheet (MSDS) Request to proceed.
③This product is flammable. Please use it in places without fire.
④ This product should avoid contact with eyes or skin. Please wear protective glasses, gloves and other protective equipment when using.
⑤ When spraying paint containing this product, in order to prevent steam, If the fog gets into your eyes or nose, please wear protective glasses, gas masks and other protective equipment.
⑥The free isocyanate content of this product is less than 1%. It will not increase in height if stored for a long time.

Packaging
220kg iron drum

If vapor or fog enters your eyes or nose, please wear protective glasses, gas masks and other protective equipment.
⑥The free isocyanate content of this product is less than 1%. It will not increase in height if stored for a long time.

Packaging
220kg iron drum

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This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/8548
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