... products is very stable. Vermiculizer1. Re 5.0-5.5%,Mg 1.8-2.4%,Ca 3.5-4.0%,Si ... -50%,Al<1.2%2. Re 5.5-7.5%,Mg 5.0-7.0%,Ca 3.0-5.0%,Si ... -50%,Al<1.2%3. Re 7.5-8.5%,Mg 3.5-4.5%,Ca 3.5-4.5%,Si ... -50%,Al<1.2%4. Re 8.5-9.5%,Mg 3.7-4.3%,Ca 1.8-2.3%,Si ...