... offer three kinds of L-Lysine:L-Lysine HCl 98.5% (Feed Grade) L-Lysine Sulphate 65% (Feed Grade) L-Lysine Sulphate 70% (Feed ... L-Lysine HCl 98% could attribute 78.4% free lysine and L-Lysine Sulphate 65%, equal to 65% lysine HCl, could provide 51% free lysine in ... And L-Lysiine Sulphate 70%, equal to 70% lysine HCl, could provide 55% free lysine in the feed. Detailed technical sheets and information ...