MUNO

Tanning agents that meet high performance and environmental standards

After bating, the next stage involves applying the tanning agent to the leather. The tanning agent penetrates the skin, converting its collagen structure to leather. Muno offers tanning agents that meet high performance and environmental standards. They are part of our Neo® Portfolio for wet-end and leather finishing, which means that they comply with the ZDHC MRSL.

Granofin® Easy F-90 Liq

Muno’s innovative tanning technologies using Granofin® F-90 help tanners facing today’s challenges: producing premium-quality leathers while efficiently reducing the impact on the environment. Granofin® Easy F-90 Liq is a unique organically based tanning agent. Granofin® Easy F-90 Liq is best suited for use in producing mineral-free leather for automotive, upholstery, shoe upper, or garment. Granofin® Easy F-90 Liq eliminates the need for pickling or basification operations to support a simple and quick tanning process. it further reduces water and energy use, giving it a major environmental and technical advantage. The tannage with Granofin® Easy F-90 Liq is formaldehyde-, heavy-metal- and phenol-free, and shrinkage temperatures of between 70 and 80°c are easy to achieve. Tanning with Granofin® F-90 provides the perfect base for using more sustainable retanning technologies like EasyWhite Tan® and EasyBlue Tan®.

Granofin® TA p

Granofin® TA p is a vegetable tanning agent belonging to the pyrogallol group of tannins. It has been specially prepared to include iron complexing agents to reduce the potential for iron staining in the resulting crust leathers. Granofin® TA p has good relative heat and light fastness and comes finely ground, which makes it recommended for soft and milled articles, especially for automotive upholstery.

Relugan® GT-50

Looking for excellent and effective chrome-free tanning leather and fur ?Relugan® GT-50 delivers. It’s also recommended for re-tanning wet-blue to create leather with a low density and a soft, full handle. This product that can be used to manufacture leather to meet high standards of wash fastness and perspiration resistance. Relugan® GT-50 is best suited for the following applications:

  • Wet-white tanning

  • Chrome tanning

  • Re-tanning of chrome-tanned leather

  • Tanning of shrunken-grain leather

  • Tanning chamois and combination chamois

  • Production of automotive leather (products have a positive influence on fogging & dressing furs)

Relugan® GT-24

Organic tanning agent based on glutaraldehyde. Due to its excellent tanning action, the product can also be used as the wet white system's main tanning agent. It can be used in various applications such as pre tanning for aqueous degreasing, improving the distribution and penetration of chrome tanning agent and as an auxiliary in retanning systems for both wet white and wet blue substrates.

Relugan® GM

Relugan® GM is a new aldehyde tanning agent that is very effective for manu­facturing wet-white. It is a special masked glutaraldehyde derivative that penetrates extremely well through the cross-section of the leather. It also has the excellent tanning action of pure glutaraldehyde. Relugan® GM is fairly insensitive to variations in the processing conditions, and the wet-white is very pale in color. The leather has a full, round handle. It is best suited for the following applications:

  • Pre-tannages and re-tannages for vegetable-tanned leather

  • Wet-white tannages

  • Chrome tannages

  • Re-tannages of chrome-tanned leather

  • Tannages for shrunken-grain leather

  • Tanning chamois and combination chamois

  • Production of automotive leather (products have a positive influence on fogging & dressing furs)

Granofin® CFT

Refined blend of organic compounds and minerals It is a well balance compound with a low astringency that permits to be apply as an auxiliary to support EasyWhite Tan® leathers, conferring a great fullness and tightness.