BASF curing agent Basonat HI-100 & HI-190B/S

Chemical composition                                                                                                  
Polyisocyanate polymerized from hexamethylene diisocyanate

Series                                                            
Basonat® HI 100 Solvent-free Basonat® HI 190 B/S, using a 1:1 mixed solvent of butyl acetate and Solvesso®100 Diluted to 90% solution

Performance
Physical form Liquid
Shelf life                                                               
         Basonat® HI series must be stored in airtight containers as they are sensitive to humidity. In the original unopened packaging, the product can be stored at a temperature of 10°C to 30°C for at least six months. After opening, the shelf life of the product may be shortened.

Product Specifications

Basonat® HI 100                                                                                                                                              

NCO content (DIN EN ISO 11909)	21.5 -22.5%
Viscosity at 23°C (DIN EN ISO 3219)	2500 -4000mPa·s
Shear rateD	1000 s-1
Platinum-cobalt (Hell’s) color value (DIN ISO 6271)	≤ 60

Basonat® HI 190 B/S

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Basonat® HI series can be used to formulate coatings with high light and weather resistance. Basonat® HI 190 B/S is a solution of Basonat® HI 100. Basonat® HI series may be incompatible with certain polyester resins containing hydroxyl groups. Basonat® HI 100 is solvent-free and allows a wide choice of solvents in the application. For example, when used in furniture coatings, slow-evaporating solvents may affect the dryness of the paint. In this case, fast-evaporating solvents can be used. Test results show that in most cases, the gloss retention of the Basonat® HI series is better than that of biuret isocyanates (Basonat® HB series). The Basonat® HI series has a lower viscosity than the Basonat® HB series, making it more suitable for solvent-free coatings.

Proportion                                                                                                       
Calculate the theoretical equivalent amount of isocyanate required for cross-linking. Taking Basonat® HI100 and Macrynal® SM 636 as examples, the calculation formula is as follows: 0.075 ×[ OH value] × [solid content of hydroxyl resin]/ [NCO]

For example: Macrynal® SM 636

NCO content (DIN EN ISO 11909)	19.3 -20.3%

Solid content % of hydroxyl resin	70
OH value	135
Basonat® HI 100, NCO%	22

0.075 ×70 ×135/22=32.2

Amount of hardener required for 100 grams of Macrynal® SM 636:

Basonat® HI 100	32.2 gram
Basonat® HI 190 B/S	35.8 gram

It must be noted that any solvents, pigments and other additives in the formula do not contain active hydroxyl groups, such as water.

Safety Tips
Basonat® HI series contains trace amounts of hexamethylene diisocyanate, which are reactive and functional isocyanates, so sufficient amounts are required in the application. Safeguard. They are intended for industrial and professional use only and are not suitable for DIY operations. When using these products, the information and recommendations in the product safety data sheet should be consulted in advance. In addition, the application site should have adequate hygiene and protective measures.

Description
The information in this product technical specification is based on our current knowledge and experience. Many factors may affect the formulation and application of our products. The above information does not affect the user’s own research and testing. It neither provides any guarantee of performance nor specifies that our products have special applications in a certain field. Any descriptions, images, photographs, data, proportions, weights, etc. provided here are subject to change without prior notice, nor do they serve as a guarantee of product quality. Reviewing relevant owner rights, existing laws, and regulations is the responsibility of users of our products.

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Basonat® HI series contains trace amounts of hexamethylene diisocyanate, which are reactive and functional isocyanates, so sufficient amounts are required in the application. Safeguard. They are intended for industrial and professional use only and are not suitable for DIY operations. When using these products, the information and recommendations in the product safety data sheet should be consulted in advance. In addition, the application site should have adequate hygiene and protective measures.

Description
The information in this product technical specification is based on our current knowledge and experience. Many factors may affect the formulation and application of our products. The above information does not affect the user’s own research and testing. It neither provides any guarantee of performance nor specifies that our products have special applications in a certain field. Any descriptions, images, photographs, data, proportions, weights, etc. provided here are subject to change without prior notice, nor do they serve as a guarantee of product quality. Reviewing relevant owner rights, existing laws, and regulations is the responsibility of users of our products.