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TRUPONOL BTK
fatliquor for vegetable-tanned leather
Basis: | sulphited oxidised fish oil. |
Appearance: | red brown oil. |
Charge: | anionic. |
Active matter: | approx. 63 %. |
pH value (1 : 10): | approx. 6.5. |
Acid stability: | very good. |
Salt stability: | very good. |
Chrome stability: | very good. |
Light fastness: | good. |
Heat yellowing: | not recommended for white leather. |
Properties
TRUPONOL BTK is an economical fatliquor based on sulphited oxidised fish oil.
TRUPONOL BTK can be used on leathers where maximum softness coupled with economy is of prime importance. Leathers fatliquored with TRUPONOL BTK show good softness together with a waxy handle.
When used on vegetable-tanned or retanned leather, TRUPONOL BTK will ensure a well lubricated grain along with good colour.
Application
TRUPONOL BTK can be used to good effect in combination with TRUPON® DXV or BTS for classic shoe upper leather.
Quantities for use will normally range from
2 - 3 % TRUPONOL BTK
4 - 6 % TRUPON DXV / BTS
Safety and storage
When handling TRUPONOL BTK, normal safety precautions associated with the handling of chemicals should be observed. For more specific details please refer to our safety data sheets.
TRUPONOL BTK can be stored for up to one year, if temperatures below 5 °C and above 40 °C can be avoided. On prolonged storage or extremes of temperature TRUPONOL BTKmay exhibit some settlement which can be rectified by either warming and/or stirring the product thoroughly before use.