Toluene diisocyanate manufacturer Knowledge Covestro Bayhytherm 3246 water thinnable aliphatic self-crosslinking baking polyurethane resin

Covestro Bayhytherm 3246 water thinnable aliphatic self-crosslinking baking polyurethane resin

Covestro Bayhytherm 3246 water thinnable aliphatic self-crosslinking baking polyurethane resin

                           

Features water-diluted fat Family self-crosslinking baking type polyurethane resin

Bayhytherm® 3246 is used in the preparation Water-based one-component baking paint system, such as water-based primer surfacer or general industrial paint. Bayhytherm® 3246 is an NMP-free further development of Bayhytherm® 3146.

Supply Form

about 46% in water , MPA, dispersion in SN 100 (47.9 : 2.6 : 2.4 ), neutralized with 1.1% DMEA to form a salt

Specifications

Features

value

unit

Test Method

acid value

7 - 10

mg KOH/g

DIN EN ISO 2114

Viscosity, 23°C(D=186s-1)

100 - 1200

mPa ·s

DIN EN ISO 3219/A.3

Non-volatile content (1 g/1h/105 °C)

<span styReactive, good pigment wetting and thermal stability. Because it thins easily, it offers advantages in solids hold and paint washout at spray viscosity. Typical curing parameters are 30 minutes at 130°C. The product exhibits overbake stability up to 120 minutes at 190°C. Slight thermal yellowing may occur based on baking temperature and time.

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Phase Capacitance

Bayhytherm® 3246 and Bayhydrol ® U XP 2698 or UA 2856; compatible with blocked polyurethane dispersions such as Bayhydur® BL XP 2706 or Bayhydur® BL 2867; also compatible with amino resins such as Luwipal® 066LF, 072 or 0731) and Maprenal ® MF 904 or MF 9152). However, compatibility should be tested beforehand.

1) BASF AG, Ludwigshafen

2) INDEOS Melamine Co., Ltd. , Frankfurt

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dissolve Sexuality/Dilution

Bayhytherm® 3246 can be used with water, Esters, ketones, alcohols, glycols and glycol ethers for dilution. However, the storage stability of the prepared solution must be tested.

Save

- Store in original Covestro airtight container middle. - Recommended storage temperature: 5-23 ℃ . - Avoid freezing, heat and foreign substances. General Information: This product is sensitive to freezing. Freezing will irreversibly damage this product. Prolonged storage at elevated temperatures may result in a decrease in viscosity or increase in average particle size, possibly resulting in precipitation or coagulation.

Save Time

Covestro declares that at If the product is stored in full compliance with the requirements of the above "Storage" clause and handled properly, the product meets the specifications stated in the above "Specifications or characteristic values" within 5 months from the date of shipment stated on the transport document or Characteristic values ​​(as applicable). The fact that a product exceeds the above-mentioned 5-month period does not mean that it no longer complies with the values ​​set forth in the specifications or characteristic values. However, Covestro recommends that products older than 5 months from the date of shipment be tested before use to confirm whether they still comply with the values ​​set forth in the specifications or characteristic values. Covestro makes no promises and accepts no responsibility or liability for any failure to conform to the specifications or values ​​set forth in the Characteristic Values ​​for products beyond 5 months from the date of shipment.

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Security

This product data sheet applies only latest version of the corresponding safety document. Any updates to safety-related information consistent with legal requirements will only be reflected in the Safety Data Sheet, which will be updated and published. Information pertaining to current classification and labelling, application and process methods, and additional safety data can be found on the latest valid safety data sheet.

Use the latest version of the corresponding safety document. Any updates to safety-related information consistent with legal requirements will only be reflected in the Safety Data Sheet, which will be updated and published. Information pertaining to current classification and labelling, application and process methods, and additional safety data can be found on the latest valid safety data sheet.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/1777

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