1.The largest Manufacturer of HPMC/MHPC in China 2.Production: 40000MT per year 3.Dedicated ... ).Structural formula:R= -H, -CH3, -CH2CHOHCH3, -CH2CH2 OHn= degree of polymerizationMC, HPMC and HEMC are non-ionic cellulose ethers produced from natural ... for cement and plaster-base building material. After the introduction of MC, HPMC or HEMC, the building material performances described hereafter could ...