SESN S.r.l. Retannage Resins and Filler

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Chemicals for Tanning Industry

Retannage Resins - Fillers

Name	pH	Conc.	Chemical Character	Use
Nerifill Powder	7 ± 0,5	98±2%	Organic + inorganic salt	Softy nappa 3-4% Garment 4-5% Furniture 4-5%
Nexopol FC	7,5 ± 0,5	75±2%	Mixture of proteins and sulphonated poly-saccharydes	Softy nappa 3-4% Garment 4-5% Furniture 4-5%
Protan A3	4,0 ± 1	40±1%	Metacrilic resin	In all type of leather 2-5%
Sintoren A07	3,5 ± 0,5	25±1%	High molecular weight and high viscosity polycarboxylic resin	In chrome tanning 1-3% In chrome retanning 3-6% In dyeing 2-4%
Sintoren AFO	3,5 ± 0,5	30 ± 2	Polymer modify	Used to increase the thickness and fullness of every kind of leathers
Sintoren BOH	5,0 ± 1	30 ± 2	Amphoteric acrylic copolymer	Amphoteric polymeric retanning agent for improving the tightness of the fibre structure, particularly suitable for the retannage of loose structure hides and skins.
Sintoren 1212	6,0 ± 1	35 ± 2	Natural and synthetic phosphate fatty polymer	Fiber relaxing polymer for soft leather.
Sintoren 48	6,5 ± 0,5	30±1%	Softy acrylic resin	Garment 3-5% Furniture 3-5% Sheepskin 2-4% Nappa 3-6%
Sintoren D	4,0±0,5	30 ± 2%	Dicyandiamide condensation product	Light resistant retannin for softy and full leather
Sintoren E7	8.0±0,5	50 ± 2%	Mixture of natural and fatty substance with polyamide carboxylic polymer	For clothing, shoe upper, bag leather and softy upholstery
Sintoren F	4,5±0,5	30 ± 2%	Polycarboxylic resin esterified with phosphoric amino derivates	Used for excellent softy and full leather without aldheyde
Sintoren FNE	3,5±0,5	50 ± 2%	Phenol condensation product	For all type of light resistant leathers
Sintoren K	3,5±0,5	25 ± 2%	Polycarboxylic acid polymer	Used for soften and filled leather
Sintoren L	5,5 ±0,5	35 ± 1%	Polyamide carboxylic polymer	After neutralizing at pH 5,5-6,0 add in every step of retanning
Sintoren LG	5,5 ±0,5	38 ± 1%	Amminoplastic compound based on aliphatic aldheyde	After neutralizing at pH 5,5-6,0 add in every step of retanning
Sintoren M	7,0± 0,5	15 ± 1%	Styrene-maleic resin	Box (Ph more 4,8) 3-5% Goatskin 2-3% Split 1-3%
Sintoren MEL	5,0 ± 0,5	40±2%	Melamine condensation product	For soft and natural milling leather
Sintoren NX	8,0 ± 0,5	30±2%	Emulsion of modify polymers	All types of softy leather light fastness
Sintoren NPH	7,0 ± 0,5	40 ± 2%	Naphthalene sulphonate condensation product with inorganic salts	Used for neutralization and dyeing processes of chrome tanned leather
Sintoren RE	7,0 ± 0,5	40 ± 2%	Acrylic resin	Box retannage (pH more 4,8) 2-5% Goatskin 2-3% Cow upper shoes 2-4% Split 2-4%
Sintoren RT	3,5 ± 0,5	30 ± 1%	Aromatic sulphonic polycondensate	For all type of leather
Sintoren SOF	6 ± 0,5	15 ± 1%	Medium molecular weight Polyoils solution	Retannage Nappa 2-4% Cow 3-5% Sheepskin 2-3% Garment 3-4% Furniture 3-5%
Sintoren SOFT EM	7 ± 0,5	-	Polycarboxylic resin esterified with phosphoric derivates	For softy and full leather 4-7%
Sintoren SPG	3,5 ± 1	Approx. 33%	Polyacrylic acids polymer	For leathers with excellent fullness and softness with tight and fine grain. Improvement of the buffing properties
Sintoren TK	3 ± 0,5	30 ±1%	Mixture of natural and fatty substance with polyamide carboxylic polymer	Used for retanning of clothing, shoe upper, bag leather and softy upholstery
Sintoren UF	6 ± 0,5	30± 1%	Polyvinylic Dispersion	Split Retannage 1,5-3 Split Furniture 1,5-3