Baybond-polymer waterborne polyurethane dispersion

Covestro Baybond® PU 401 Aqueous polyurethane dispersion Film-forming component of glass fiber sizing

type	Anionic/Nonionic Polyester Polyurethane Dispersion
form of supply	Milky white aqueous dispersion
use	Glass fiber sizing film-forming components

Product Specifications

characteristic	Numerical value	Units of measurement	method
non-volatile components	40±1	%	DIN EN ISO 3251
Flow time @ 23°C (4mm cup)	11-18	s	AFAM 2008/10503
pH@20°C	6.5-8.5	mPa.s	DIN ISO 976

Other data*

characteristic	Numerical value	Units of measurement	method
Density, 20°C	about 1.0	g/ml	DIN EN ISO 2811/3
average particle size	100-300	nm

*The above data is general information and not part of the product specification.
More about this source textSource text required for additional translation information
Sen

Solubility / Dilution
Baybond® PU 401 can be diluted in any ratio with deionized water.

compatibility
This product is compatible with additives commonly used in the preparation of glass sizings, such as adhesion promoters, lubricants, antistatic agents and plasticizers.

Features/Applications .
Baybond® PU 401 was developed as a glass fiber sizing for strengthening thermoplastics, especially polyamides. Glass fiber sizings based on Baybond ® PU 401 have excellent film formation and excellent adhesion. It has good color retention even at high temperatures. Baybond® PU 401 is also very shear resistant.

store
The shelf life of Baybond® PU 401 is 12 months when stored in airtight containers at temperatures between 5 and 30°C.

Safety
According to the standard (Council Directive 67/548/EEC or 1999/45/EC), this product is not classified as dangerous goods. The Product Safety Data Sheet (303546) must be strictly followed, which contains information on labelling, shipping, storage and use of the product, product safety and ecology.