Dyehouse

TRUPOTAN BIO-08P

Basis:

Low molecular weight modified biopolymer. 

Use:

Retanning of any kind of leather, organic or mineral tanned.
Formaldehide free alternative to melamine or diciandiamide resins.

Appearance:

Powder.

Charge:

Anphoteric.

pH

Approx. 8.

Light fastness:

Good.

Ageing fastness:

Good.

Properties

TRUPOTAN BIO-08P is an innovative chemical obtained by modification of natural occuring polymers. It’s molecular weight has been adjusted in a narrow range.

Used as retanning agent, TRUPOTAN BIO-08P imparts to the leather fullnes, good filling and mellow handle.

Leathers produced with TRUPOTAN BIO-08 will show firm grain, standing out always by its level, fine and silky touch.

When used in the retanning proces or in the dyeing bath, TRUPOTAN BIO-08P produces more firm leathers with a marked filling efect.

Both on chrome and chrome free leather, the use of TRUPOTAN BIO-08P improves the dyeing operation with anionic dyestuffs. Levellness, brilliance and intensity are normally improved.

TRUPOTAN BIO-08P as a retanning agent in the production of splits and suede articles, improves the buffing capacity of the leather and provides really short an regular nap.

When producing direct nubuc, using TRUPOTAN BIO-08P in the retanning bath will provide both improvement of dye intensity together with  excellent buffing capacity.

TRUPOTAN BIO-08P is usually added directly to the drum without disolution.

TRUPOTAN BIO-08P could be used in the production of waterproofing articles.

Application

Softy upper / leather goods – Bovine WB 1,4mm  (percentages on shaved weight)

Leathers shaved and retaned with TRUPOTAN EH, will be neutralised as follows;

200

%

water 30ºC.

 

 1,0

%

TRUPOTAN NS

 

 2,0

%

Sodium formiate

 

0,5

%

Sodium bicarbonate

Run 60 min

2,0

%

TRUPON LP2

 

 2,0

%

TRUPOTAN UPH

Run 45 min

 

 

Drain and wash

 

50

%

Water 30ºC.

 

4,0

%

TRUPOTAN  RCN

Run 30 min

2,0

%

TRUPOTAN  TCH

 

6,0

%

TRUPOTAN  BIO-08P

Run 30 min

X

%

Dye to the shade

Run 30 min

100

%

water 60ºC

 

7,0

%

TRUPOSYLK MXL

 

 3,0 

%

TRUPOSYL   TBD

Run 60 min

2,0

%

Formic acid

Run 30 min

Wash and proceed as ususal

Garment nappa – Sheep skins Wet Blue – Retanning in the dyeing bath

100

%

Water 40ºC.

 

1,0

%

RESISTOL FE

 

8,0

%

TRUPOTAN BIO-08

Run 30 min

X

%

Dye to shade

Run 30 min

50

%

water 60ºC

 

4,0

%

TRUPOSYLK MXL

 

4,0

%

TRUPOSYL   TBD

 

2,0

%

TRUPON LP2

Run 60 min

3,0

%

Formic acid

Run 30 min

Storage stability: This product can be stored for up to one year, if temperatures below 5 °C and above 40 °C can be avoided.

HIGHLIGHTS