Química Internacional para el Curtido S.L.

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Decalqin CE

Decalqin CE, a chrystalised powder, white, forms easily soluble calcium salts and penetrates fast across pelts, even across the thick and the non split ones. When Decalqin CE is applied in a short time bath, in other words, at the so called dry deliming, it quickly unswells pelt so there is no reason to worry about eventual damages over grain because of mechanical action during the drumming. The water released by the unswelling process sweeps the remains of the keratin substances, so that the pelts result clean and fine grained.

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Decalqin GTO

Decalqin GTO forms easily soluble calcium salts and penetrates in a short time across pelts, even across the thickest and the non split ones. For standard deliming processes, where avoiding an acid swelling is needed. The water released by the unswelling process sweeps the keratin substances wastes with it, resulting pelts clean and fine grained.

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Decalqin LA

Decalqin LA is a deliming agent that causes a soft and progressive unswelling of lime hides, resulting in a closed and fine grain.

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Decalqin R

Especially suitable for fast processes thanks to its great ability to extract lime out of the hide. It penetrates fast and is especially suitable for deliming over non split hides and by using short time baths.

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Defatqin OE

Biodegradable. It can be mixed with water in all proportions. Compatible with electrolytes due to its non-ionic charge. It is not sensitive to pH.

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Defatqin OEK

It can be mixed with water in all proportions. Regardless of its degreasing power, it has a very good emulsifying effect on natural fat of the leather. It does not harm the waterproofing process. Biodegradable.

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Extracto de Quebracho ATG

The main features of these extracts are: high penetration speed and a high content of tannines, and a relatively low contend of non-tannines. The low acid content and the medium salts content, characterizes them as soft tanning extracts (little astringency).

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Extracto Mimosa GS

The Mimosa extract is water-soluble in cold and warm water and has the faollowing features: fast penetration, excellent capacity, very clear leathers, good fixation power and pleasant cream tone. For the retanning of chrome leathers, using Mimosa extract allows to fill up flanks and bellies, to benefit the scouring, maintain the embossing of the ironing, giving an excellent burning effect.

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Helpa CR6

The product is resistant to electrolytes in common processes and concentrations. As it is an emulsion, it is subject to small variations in color and consistency.

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Helpa LES

Helpa LES is an emulsifier that is miscible with water in any proportion. Emulsifies and stabilizes anionic fatliquors and improves their ability to penetrate the skin. It also has a mild greasing action. Resistant to dry cleaning solvents and exhibits good light fastness and heat resistance.

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Helpa MB

Helpa MB improves the penetration capacity of retanning and coloring products, allowing both these and those to do so in a homogeneous way and achieving greater equalization and distribution of the products through the use of these products. Helpa MB is easily soluble in water.

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Helpa Nofoam

All purpose anti-foaming agent. Suitable for efluents that contain high surfactant concentrations which cause high foam levels. It can be sprayed at specific times or areas.

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Helpa RDC

Helpa RDC is easily soluble in water and accelerates vegetal tanning agents and other anionic products penetration, reducing astringency when penetrating into leather. This product, when retanning already chrome tanned leathers, causes a neutralisation that allows the later added retanning and colouring agents´ relaxed and even penetration.

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Helpa RDP

Helpa RDP is a product that improves the penetration capacity of retanning and colouring products, allowing that both can do this evenly. This product gives better equalization and distribution on the items. Helpa RDP is easily water-soluble. It also accelerates the penetration of vegetable tanning agents and other anionic products, reducing the astringent action when penetrating into the leather. Due to the neutralization produced at the beginning of the penetration into the leather, before the retanning of chrome tanned leathers, a relaxed and even penetration of the later added retanning and colouring agents is produced. The outcome is a more equalized and intense coloured crust where the neck veins are less marked than with a normal dispersing agent. The product does not noticeably discolour the dyes.

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Helpa STL

Auxiliary for retanning, dyeing and lubricating leather.

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Helpa TOK

Not only it makes stable the cationic fatliquoring of the leathers, but it also has an additional softening effect. It is also used as an auxiliary dyeing agent as a charge changer for the anionic dyeing agents, giving full and shiny dyeings. It is also appropriate for the wetting-back of leathers for glove-making.

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Helpa TR

The Helpa TR improves the penetration of anionic dyes to give a leather dyed with a uniform penetration. The product solidifies between 0ºC and 5ºC without loss of quality.

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Helpacrom 3

The product is an emulsion, and as such, may be subject to small variations in color and consistency. These variations have no influence on the application or technical properties.

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Helpafix TAA

Fixing agent for dyes where high washing solidity is required, as well as solidity to the migration to plastified PVC. It is complementary part of the dyeing process made with our range of Indafast colouring agents.

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Limeqin AES

Preparation based on an aliphatic ammonium compound and nonionic surfactant.

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Limeqin AM

Miscible in water in any proportion. Facilitates uniform penetration of the unhairing chemicals throughout the skin; being able to shorten the duration of the process. Slows down and softens the swelling effect produced by sulfur and/or caustic soda.

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Limeqin LA

Sulfur-free unhairing auxiliary. Improves hair extraction in a more ecological way than other usual auxiliaries. Reduces the swelling of the skins, obtaining them softer and cleaner.

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Limeqin MF

Limeqin MF is an auxiliary product for unhairing procedure, free of amines and can be used both for unhairing with total lost of hair and for unhairing with hair recovery. It attacks the prekeratin proteins of the hair, which produces a better extraction both of the hair root and of the belly grain. It reduces the fibre structure tautness, so that the leather will be less swollen and it also permits a better penetration of the rest of the unhairing products.

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Limeqin MFO

Useful both for unhairing with hair recovery and for hair destruction. It works on the pre-keratinous proteins by eliminating greasy residuum and rests of hairs, leaving behind a relaxed and smooth fibre. By using this product the swelling caused by the alkali is decreased. It also provides better crossing of the lime and the sulphide through the leather. This improves the penetration regarding the regularity of the products added later.

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Neuqin WF

The composition of Neuqin WF contains groups with a big complexing action. This allows to deeply neutralize the chrome tanned leather, moving the acids of the chrome-colagen complexes and buffering the acids that are being extracted. No over-neutralization of the leather is possible. Neuqin WF turns the non-fixed chrome into chrome complexes with tanning action. Neuqin WF does not create precipitation of chrome agents like other alkaline neutralizing agents. This asures the complete lack of chrome stains on the leather. The same way, it reduces the cationic charge of the leather, allowing a softer and evener entrance of the later added anionic products, giving a more equalized effect of the later dyes and more firmness and grain fineness. Its use not only does not bring free formaldehyde to the leather but also decreases noticeably the presence of formaldehyde in case it would be present.

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Qinoil 252

For all types of leather that must be soft. Qinoil 252 also provides a round and filled feel. Given its composition, this fatliquor can be used as a single fatliquor. It can be applied during the rechroming, neutralization and greasing processes.

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Qinoil 795

It has very good penetration into the leather. Hides and leathers oiled with Qinoil 795 show excellent softness with a silky feel and a fine, spongy grain.

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Qinoil ASE

Greasing agent indicated for clothing and upholstery nappas. It gives great softness to the leather and a regular and fine grain. Provides fullness and light weight to the skin with a silky, slightly waxy touch.

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Qinoil BSF

Greasing agent that presents a good fixation and prevents looseness of the grain. It gives the leather good firmness and, given its power of adhesion to the leather fibers, increases tear strength.

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Qinoil MX01

This composition gives a fine emulsion when mixed with water. It is not stable to mineral agents baths and to high salt concentrations. Gives to the leather a soft touch, grain firmness and a good fullness because of the good penetration that does not overcharge the grain. It is distributed evenly inside of the leather. It provides good properties for scouring over split leather and also a noticeable writing effect and a shiny plush.

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Qinoil PGS

Suitable for all kinds of soft leathers, such as clothing, upholstery, milled nappas and “double face”.

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Qinoil S2C

For all types of leather that must be soft. The Qinoil S2C also provides a round and full touch. Given its composition, this fatliquor can be used as a single fatliquor or as part of a “combi-licker” grease pack.

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Qinoil S2G

Multi purpose stuffing agent that can be applied for all kinds of items, even for soft and light fast items. It can be used at the rechroming previous to the leather´s neutralisation procedure, at the self neutralisation, at a retanning procedure and, of course, at the main fatliquoring procedure. It provides fullness and a round touch.

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Qinoil S2H

It gives quite considerable softness. Small amounts of the product considerably improve the touch of the skin. It has better resistance to UV light and heat than most fish oils. It produces fairly low FOG and VOC values.

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Qinoil S570

Due to its composition, Qinoil S570 is completely lightfast and can be used for white and light colours. It can be used as a single fatliquor, being able to mix with other sulphonated and sulphited fatliquors.

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Qinoil S5AK

It provides a great fullness and firm grain to leather. Mainly suitable for leather destined to leathergoods and shoemaking. Using this product the leather shows a medium softness, if it was not combined with other stuffing agents. It gives to the final leather a particular waxy touch. It must not be used neither as an only nor as a main stuffing agent within a stuffing combination, unless it was applied over weak structured skins.

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Qinoil S5F

Even though this product is a sulphationed agent, it features a good and even penetration, providing firm and soft leathers. It gives a warm touch, even on the inner side of the leather. It keeps colours´ brightness. It features a medium stability and it is sensitive to hard waters, electrolytes and non fixed retanning or colouring agents. It can be used for white and light fast items.

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Qinoil SCR

This product provides an excellent softness to leathers, even when added in small quantities. It also gives a good fullness to leather, as a round and pleasant touch is obtained.

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Soaqin H 01

Accelerates salty, dry and wet blue leathers´ damping process. Low foam product. It prepares keratin and collagen structure for a more efficient actuation of the further added chemical products. It does not affect the waterproof treatment. APEO free. Biodegradable. Very strong damping effect concerning to epidermis elimination and on hair´s root. Product non sensitive to pH index. It starts opening keratin and fibres´ structure. It does not affect to further dyeing procedure.

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Soaqin H 50

Surfactant agent indicated to reduce salty leathers´ soaking time and to get their optimal wetting back level by reducing the surface tension over the water to which the product is added. In the same way, we recommend this product for wetting back dry leathers, either rough, or wet blue or crust treated. It can be mixed with water in any needed proportion.

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Soaqin PH

Soaqin PH is a pruduct that helps to stabilize the pH during leathers´ damping procedure, no matter how much natural fat the leather contains. Soaqin PH keeps the pH in the damping bath between 9,5-10,0 all along the damping procedure, which avoids unexpected pH results and its potential consequences.

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Tanqin A24

Purposed for full as well as for corrected grain items. It provides grain firmness to leather while keeping the pore fine and good buffability.

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Tanqin ACR

Easily soluble and compatible with acids, salts and chrome tanning agents. If only used for tanning it provides practically white leathers. As the product already contains chrome, it is not nesessary to add further chrome tanning agent, as usually done with aluminium tanning to avoid non desired yellowing. Its application in chrome tanning procedures reduces the chrome content in residual waters obtaining accellerated penetration and better distribution of chrome salt in the leather cut. Gives strength and resistance to the grain and compactness to pelt leather.

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Tanqin AR 85

It features a good buffing capability, with good heat and light fastnesess. Good filling capability, especially over the parts where grain looseness can become deeper. It provides the leather with a soft and round touch feel, as well as with a fine pore. We will get shiny and even dyeings. It does not harm the presence of formaldehyde over the hide.

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Tanqin BDV

Product with very low astringency, which permits to give sponginess and softness. Its features, in the moment it enters in contact with the leather, are giving a soft touch and a very good hand. For split leather it helps to hide the vein on the surface of the leather.

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Tanqin C2

Good solubility and low astringency featuring product, which makes it suitable for retanning procedures of chrome leather. It provides the leather with full touch and firm grain, highly suitable for being buffed.

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Tanqin CRE

Tanqin CRE is a chromed synthetic product which provides soft and full touch, while it gives a high grain finesse and equalizes dye without making it clear.

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Tanqin CRN

Tanqin CRN gives fullness to the leather and it remarkably improves the touch. It bleaches scarcely the dyes and maintains chrome leather´s character.

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Tanqin CRS

Tanqin CRS is a selfbasifying chrome based tanning agent that makes the basifying process of the tanning bath unnecessary, whenever the pickled leathers' Ph stays between 3,4 and 3,6.

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Tanqin DC-SF

It improves the filling and fullness of the hides, especially over the emptiest areas. It improves the grain´s firmness by providing it with a soft touch. Furthermore, when using this product for suede split manufacturing, a short plush is obtained and, due to the special filling over the belly areas, the plush is more regular all across the flesh split. Its use over upholstery leathers helps getting milled leathers with regular grain.

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Tanqin GLT 50

Resistant to electrolytes and compatible with pickle acids, neutral salts and mineral tanning agents. It gives the leathers a round, extremely soft touch and good tinctorial capacity, even for intense colours.

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Tanqin PRE

The dispersing power of Tanqin PRE allows not only for the filling of products of this nature, but also for this distribution to be homogeneous.

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Tanqin PYP

Tanqin PYP improves the penetration capacity of retanning and coloring products, allowing both these and those to do so in a homogeneous way and achieving greater equalization and distribution of the products through the use of these products.

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Tanqin RRF

It provides the leather with grain firmness and an average fullness, by leaving it more reinforced than if processed by a normal acrylic. It is stable to acids and can be used after the re-chroming of some items and before neutralising. It can be used together with other anionic products in normal working quantities. It improves the exhaustion of the chrome salts used at any procedure where this product was present.

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Tanqin RRV

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Tanqin RS 20

Hide shows a soft touch feel without losing its chrome leather appearance at all. It does not noticeably decrease dyeings, as it features a good light fastness. Fully compatible with anionic products, such as synthetics, stuffing agents or anionic colouring agents. Due to its sensitivity against acids, we recommend using Tanqin RS 20 under pH 4,5 levels. Its use is not recommended when mixed with cationic substances, such as chrome salts. It helps dispersing and improving the penetration of vegetable extracts into leather.

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Tanqin RS 4

It grants a full touch feel, and does not harm the grain fineness. The hide shows a soft touch feel without loosing at any time its chrome leather appearance. It does not noticeably decrease dyeings, and it features a good light fastness. Fully compatible with anionic products, such as synthetics, stuffing agents or anionic colouring agents. Due to its high sensitivity against acids, we recommend using Tanqin RS 4 at ph levels under 4,5.Its use is not recommended when mixed with cationic substances, such as chrome salts. It helps dispersing and enhancing the penetration of vegetable extracts into the leather.

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Tanqin SBL

It accelerates the penetration of vegetal tannins and other synthetic anionic retanning agents by decreasing leather´s astringency towards these products, which makes its use adviceable if we need to ensure a more even and matched retanning.

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Tanqin SM8

Gives grain firmness to empty and loose skin. It can be used for soft articles with a rubbery final appearance. It can also be indicated for milled articles.

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Tanqin SS

Tanqin SS gives a considerable filling to the leather, as well as sufficient softness. It allows to produce milled items and a very uniform and strong grain. The leathers retanned with this product show a good attitude for buffing. With its self-tanning properties, it also can be used to produce wet-white or chrome-free items.

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Tanqin VCT 20

Anionic and neutral organic compounds mix that provides a good filling effect. It is physically absorbed between the leather´s fibers, acting more intensely over the less compact areas, as it equalizes the compacity all over the leather piece. Given its nature it is indicated for articles of low stretchiness. It provides dye´s equal matching as well as a good touch and tube effect.

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Tanqin VDC

Tanqin VDC is a retanning agent that increases chrome leather´s fullness, especially in the most empty areas, such as a belly, without damaging leather´s chrome character. Using this product, we will obtain fine grain leathers as well as round touch leathers, also being increased its suitability to be polished and engraved.

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Tanqin VFN

It provides very good filling and firmness effect to tanned leathers. Retanned with Tanqin VFN leathers show a good touch and tube effect, as well as good suitability for leathers' embossing. Suitable for the leather production of all kinds of shoes and leathergoods.

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Tanqin VML

Anionic and neutral organic compounds mix that provides a good filling effect, as well as a good dye evenness level on leather. Compatible with other standard anionic retanning agents. Tanqin VML is a product that allows an optimal distribution, both of itself and other tanning agents. Very good fullness and firmness leathers are obtained, even when used on the areas most disposed to loose grain.

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Tanqin VMQ

Tanqin VMQ provides the leather with features inherent to leather that was retanned with plant extracts. It gives fullness, filling features, compacity if desired, etcetera. As it is a balanced mix, it gets, when combined with other components, an homogeneous distribution and a penetration of the product without astringency, which leads us to get very even items for both retanning and dyeing procedure.

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Tanqin VTR

For general use, but considering that this product will provide some vegetal features to the final product. It provides flexibility to leather, as well as a good dyeing suitability because of its clear colour. Given the sensivity of vegetal extracts to iron salts, the product´s recipe contains agents to counteract this matter.

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