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          Ethyl cellulose (EC)

          Ethyl cellulose (EC)

          Ethyl cellulose (EC)

          Online consulting
          • Product details

            Ethyl cellulose (EC)

            I. Introduction

            Cellulose part or all of the hydrogen on the hydroxy -substituted product is . Has good toughness , cold resistance and film , white or light gray flowing powder , odorless .

            II.Second, product characteristics

            Ethyl cellulose is insoluble in water and soluble non-ionic cellulose ether organic solvent.

            1 , not combustion .

            2 , good thermal stability , excellent thermoplastic .

            3 , sunlight does not change color .

            4 , good flexibility .

            5 , good dielectric properties .

            6 , has excellent alkali resistance, weak acid .

            7 , a good anti-aging properties.

            8 , salt , cold resistance, moisture absorption .

            9 , chemicals stability, long-term storage without deterioration.

            10, can be compatible with many resins , plasticizers and all have good compatibility .

            11 , in strong alkaline environment and heat conditions and easy to change .

            III. technical indicators

            Industrial Product Specifications

            Indicators Project

            K-type

            N- type

            T- type

            Ethoxy content%

            45.0~47.9

            48.0~49.5

            ≥49.6

            Viscosity ( 1.4 ethanol toluene , 5%) mpa.s

            See Viscosity Specifications

            Solubility,%

            ≥99.0

            Ash

            ≤0.3

            Moisture

            ≤3.0

            Heat resistance (120 ℃, 16h)

            No yellowing , no lumps , coke

            Pharmaceutical grade product specifications

            Indicators Project

            K-type

            N- type

            T- type

            Ethoxy content,%

            44.0~47.9

            48.0~49.5

            49.6~51.0

            Viscosity ( 1.4 ethanol toluene , 5%) mpa.s

            See the viscosity of the product specification table

            Residue on ignition ,% ≤

            0.4

            Residue on ignition ,% ≤

            3.0

            Heavy metals ,% ≤

            0.0020

            Arsenic ,% ≤

            0.0003

            IV. Viscosity Specifications

            Industrial product viscosity specifications

            Product Specifications

            Viscosity range

            Product Specifications

            Viscosity range

            6

            5~8

            100

            90~110

            10

            8~12

            110

            100~120

            15

            12~16

            150

            135~165

            20

            18~24

            200

            180~220

            35

            31~39

            250

            220~270

            50

            45~55

            300

            270~330

            70

            63~77

            Pharmaceutical grade product viscosity specifications

            Viscosity Specifications

            Viscosity range mpa.s

            Viscosity Specifications

            Viscosity range mpa.s

            7

            5.6~9.6

            70

            63~77

            10

            9~11

            100

            90~110

            15

            13.5~16.5

            150

            135~165

            20

            18~22

            200

            180~220

            30

            27~33

            250

            225~275

            50

            45~55

            300

            270~330

            V. Application

            1 .. industrial grade ethyl cellulose

            For a variety of paints, surface coatings such as metal , paper products and paints, rubber coating , hot melt coating and the integrated circuit ;

            Used in inks, such as magnetic ink , gravure and flexographic printing inks ;

            Hardy material used ; for specialty plastics and special precipitation, such as rocket propellant coated with ;

            Cables for insulation materials and coatings ;

            A polymer dispersant for suspension polymerization ;

            For carbide and ceramic adhesives ;

            Used in the textile industry for printing paste and so on.

            Two pharmaceutical grade ethyl cellulose (EC)

            For tablets and film-coated pressure-sensitive adhesive materials ;

            Blockers for reinforcing materials , preparation of various types of Sustained Release Tablets ;

            Preparation of hybrid materials for coated slow-release formulations , sustained release pellets ;

            For vitamin tablets, mineral tablets adhesives, release agent and moisture agent

            VI, dissolution method

             cellulose (DS: 2.3 ~ 2.6) is the most commonly used aromatic hydrocarbons and a mixed solvent of an alcohol . Aromatic hydrocarbons available as benzene, toluene, ethylbenzene , xylene and the like , an amount of 60 to 80% ; alcohol may be methanol, ethanol and the like , in an amount of 20 to 40 %. Within the EC was slowly added under stirring to a container filled with solvent , dissolved until completely wetted .

            VII.Packing

            Drum , 20kg / barrel , pay attention to moisture .

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