Leasys 3979

Leasys® 3979 is an aqueous polyurethane dispersion used as carrier resin for matte finishing agents. It is free of ethoxylated alkylphenols (APEO), N‑methylpyrrolidone (NMP) and N‑ethylpyrrolidone (NEP). It is suitable for leather finishing agents, fabric coatings and other application fields.Approximately 40 % dispersed in water, neutralized with triethylamine (<1 %).Biocides: QK20 at 100 ppm and MBIT at 200 ppm.

 

 

 

*These properties represent typical results only and shall not be regarded as formal specifications. Refer to the corresponding Certificate of Analysis (COA) for official specifications.

 

 

Manufacturer: Wanhua Chemical Group Co., Ltd.Store in a dark, cool and dry location with storage temperature maintained between 10°C and 35°C, and keep packaging intact. The shelf life of this product is six months starting from the production date. For materials exceeding the shelf‑life period, performance evaluation prior to use is recommended.This product must be fully protected against frost. After opening the package, appropriate filtration is required before use, and the product shall be consumed as soon as possible.

 

 

Wanhua Chemical Group Co., Ltd. recommends all customers conduct safe and proper handling of this product in accordance with full information specified in the Material Safety Data Sheet (MSDS). We also advise customers to contact suppliers of other raw materials in our recommended formulations to verify their product properties and compatibility before application.We believe all recommendations and data contained herein are true and reliable. Nevertheless, all information within this Technical Data Sheet is for reference only. No express or implied warranties are provided with respect to product characteristics, applications, quality, safety, product specifications, merchantability, or fitness for any specific purpose.No information provided herein shall be construed as a license to utilize patented technology, nor shall it be deemed an inducement to implement patented technology without authorization from patent owners.