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ACM Rubber - CGPA5821 Series

ACM CGPA5821 is a carboxyl type acrylate rubber, which is formed by emulsion polymer-ization  of  acrylate   monomer  and  carboxylic  acid   monomer.  It  has  excellent  aging resistance, oil resistance, high temperature resistance and ozone resistance. The Tg of CGPA582D and CGPA5821TR are -28°C and -29°C. It is a low compression set product, and suitable for making rubber hoses, molded products, etc., which is widely used in automobiles, motorcycles, ships, electric power and other fields.

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Category: ACM Rubber
  • CGPA5821D Specification

    Product

    ACM

    Grade

    CGPA5821D

    Type

    Carboxylic

    Test Item

    Unit

    Standard Value

    Test Value

    Test Standard


    Mooney Viscosity ML(1+4) 100°C

    /

    37±5

    37.7

    GB/T 33428-2016


    Ash Content

    %

    ≤ 0.60

    0.10

    GB/T 4498.1-2009


    Volatile Content

    %

    ≤ 0.50

    0.18

    GB/T 24131-2009


    Hardness Shore A

    Point

    63±5

    64

    ASTM D2240


    Tensile Strength

    Mpa

    ≥ 9.00

    9.88

    ASTM D412


    Elongation

    %

    ≥ 250

    303

    ASTM D412


    Compression Set (150°C*72h, 25%)

    %

    /

    31

    ASTM D395 (Type2)


    Brittle Temperature

    °C

    /

    -24

    ASTM D2137


     

    Vulcanization Performance

    T10

    s

    /

    49

     

    ASTM D5289


    Ts2

    s

    /

    175


    T90

    s

    /

    460


     

    Thermal Aging (175°C*72h)

    Hardness Change

    Point

    /

    -1

     

    ASTM D573


    Tensile Strength Change

    %

    /

    -17.33


    Elongation Change

    %

    /

    12.00


     

     

    Oil Resistance ASTM3#

    Hardness Change

    Point

    /

    -13

     

     

    ASTM D471


    Tensile Strength Change

    %

    /

    -12.38


    Elongation Change

    %

    /

    6.64


    Volume Change

    %

    /

    16.10


    Test Condition

    1st Stage

    (180°C*10min)

    Result

    Qualified


    2nd Stage

    (175°C*4h)


    Shelf Life

    2 years


     

    Remark

    1.Test Environment: Temperature: 23°C±2°C; humidity: 50%±5%


    2.Test formula: ACM:100 parts; stearic acid:1 part; antioxidant 445:2 parts; microcrystalline wax: 1 part; flow aid FG200: 2 parts; 18D: 0.5 part; Cabot N550: 60 parts; RS735: 3 parts; 1#curing agent: 0.6 part;

    DOTG-75: 2 parts.



  • CGPA5821TR Specification

    Product

    ACM

    Grade

    CGPA5821TR

    Type

    Carboxylic

    Test Item

    Unit

    Standard Value

    Test Value

    Test Standard

    Mooney Viscosity ML(1+4) 100°C

    /

    42±5

    42.1

    GB/T 33428-2016

    Ash Content

    %

    ≤ 0.60

    0.01

    GB/T 4498.1-2013

    Volatile Content

    %

    ≤ 0.50

    0.12

    GB/T 24131-2009

    Hardness Shore A

    Point

    65±5

    64

    ASTM D2240

    Tensile Strength

    Mpa

    ≥ 10.0

    10.5

    ASTM D412

    Elongation

    %

    ≥ 240

    251

    ASTM D412

    Compression Set (150°C*72h, 25%)

    %

    /

    32

    ASTM D395 (Type2)

    Brittle Temperature

    °C

    /

    -25

    ASTM D2137

    Vulcanization Performance

    T10

    s

    /

    46

     

    ASTM D5289

    Ts2

    s

    /

    158

    T90

    s

    /

    452

     

    Thermal Aging (175°C*72h)

    Hardness Change

    Point

    /

    1

     

    ASTM D573

    Tensile Strength Change

    %

    /

    -19.97

    Elongation Change

    %

    /

    1.02

     

     

    Oil Resistance ASTM3#

    Hardness Change

    Point

    /

    -13

     

     

    ASTM D471

    Tensile Strength Change

    %

    /

    -11.67

    Elongation Change

    %

    /

    -1.20

    Volume Change

    %

    /

    15.38

    Test Condition

    1st Stage

    (180°C*10min)

    Result

    Qualified

    2nd Stage

    (175°C*4h)

    Shelf Life

    Two years

     

    Remark

    1.Test Environment: Temperature: 23°C±2°C; humidity: 50%±5%

    2.Test formula: ACM:100 parts; stearic acid:1 part; antioxidant 445:2 parts; microcrystalline wax: 1 part; flow aid FG200: 2 parts; 18D: 0.5 part; Cabot N550: 60 parts; RS735: 3 parts; 1#curing agent: 0.6 part;

    DOTG-75: 2 parts.


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