General Characteristics

‘KURALON’ is a synthetic fiber made from polyvinyl alcohol polymer, which is normally a water soluble polymer. By use of a special spinning technology, Kuraray is able to supply both water soluble and water insoluble KURALON fibers for paper industry. Water soluble types work as a binder in the paper making process, and water insoluble types work as subject material or the matrix of paper. Water soluble types can be provided over a range of dissolving temperatures. The general characteristics that make PVA useful in papermaking applications include:

• Good dispersion
• Dissolves in water (binder fiber)
• Good bonding effect (binder fiber)
• Improves paper strength
• Good resistance to alkaline conditions

Standard Types of KURALON PVA Fiber for Papermaking

Type	Product Number	Denier	Diameter(µm)	Dissolving T in water (°C)	Cut length (mm)
Subject fiber	VPB033	0.3	6	>100	2
Subject fiber	VPB053	0.5	17	>100	2, 3
Subject fiber	VPB102	1.0	11	99	3, 5
Subject fiber	VPB103	1.0	11	>100	3, 5
Subject fiber	VPB203	2.0	15	>100	6
Subject fiber	VPB303	3.0	18	>100	7, 9
Binder fiber	VPB041	0.4	6	80	3
Binder fiber	VPB071	0.7	9	80
Binder fiber	VPB101	2.6	17	80	4
Binder fiber	PB105-1	1.0	11	70	4
Binder fiberr	VPB105-2	1.0	11	60	4

Typical Applications

• Battery seperator paper
• Filtration media
• Binder for fiberglass paper
• Other specialty/technical papers

All of the above products are produced at the Kuraray Tamashima plant, which is approved to ISO9002 quality certifications.