Kappa-型卡拉胶白色无味条状、粉状。溶于80℃热水，1%卡拉胶溶液可形成粘性胶液，冷却后固化，凝胶具有弹性。卡拉胶质量指标：指标名称***标准GB15044-94FAO/WHO1989标准企业标准条状一级粉状特级粉状***酯SO15%-40%15%-40%33%35%35%粘度≥0.01Pa.s≥5×Pa.s≥0.012Pa.s≥0.015Pa.s≥0.02Pa.s干燥失重≤15%≤12%≤22%≤15%≤14%总灰分GT-6≤30%15%-40%≤26%≤28%≤20%酸不溶性灰分GT-4≤1%≤2%≤1%≤1%≤1%铅GT-18≤0.001%≤10ppm≤10ppm≤10ppm≤10ppm***GT-3≤2ppm≤3ppm≤2ppm≤2ppm≤2ppm酸不溶物GT-1不规定≤2%≤2%≤2%≤2%***Pb不规定≤40ppm≤40ppm≤40ppm≤40ppm凝胶强度不规定不规定≥800g/≥1000g/≥1200g/细度不规定不规定条状60-80目80-100目外观白色)