Condensation of phenol and formaldehyde.
Gives leather good softness, fullness and fine grain.
It improves grain tightness and roundness.
It has good light-fastness, heat-resistance and good dyeing property, suitable for producing light color leather and white leather.
It has excellent stability to electrolytes and chemicals.
Package and Storage
Paper bag with 20kgs;
Storing condition: cool and dry;
Together with the other re-tanning agents, suitable for manufacturing all kinds of leathers.
Recommended amount is 2-5%.