Packed dry , made from regenerated cellulose (RC). With glycerol as protection for embrittlement, which can be easily removed by soaking in water. Contain low level of heavy metal and sulfide impurities. Highly resistant against chemicals, suitable for pH range 2 – 12 and temperatures 4 – 60 °C. Packed dry , made from regenerated cellulose (RC). With glycerol as protection for embrittlement, which can be easily removed by soaking in water. Contain low level of heavy metal and sulfide impurities. Highly resistant against chemicals, suitable for pH range 2 – 12 and temperatures 4 – 60 °C.