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Standard grade HTV silicone rubber


    This product has flexible processability and comprehensive physical properties, excellent yellowing resistance and superior aging resistance at temperature of - 50 to 200℃. The rubber for molding is vulcanized with 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane as vulcanizator, applicable to manufacturing of various keypads for electronic & electric appliances, electrical insulations, automotive accessories, industrial & civil seal rings, miscellaneous parts and transparent pieces, etc. The rubber for extrusion is vulcanized with vulcanizator DCBP (Di-(2,4-dichlorobenzoyl) Peroxide), applicable to variousthermotolerant & cold resisting electric wires, cables and sheaths. This product is available as a milk-white translucent finished product, or compound with curing agent & pigment, or sliced product.



           Typical Properties:

    Category

    Item

    Appearance

    Hardness Shore A

    Tensile strength MPa

    Elongation at break %

    Breaking set %

    Tear strength B KN/m

    Specific density 25°C g/cm³

    Compression set 180*22h %

    Resilience %

    For molding

    MY D131

    Ivory translucent

    30±2

    6.0

    600

    6

    15

    1.08±0.05

    35

    65

    MY D141

    40±2

    6.5

    400

    6

    19

    1.13±0.05

    35

    60

    MY D151

    50±2

    8.0

    350

    7

    22

    1.15±0.05

    30

    55

    MY D161

    60±2

    8.0

    300

    7

    22

    1.19±0.05

    30

    50

    MY D171

    70±2

    7.5

    220

    6

    20

    1.22±0.05

    30

    45

    MY D181

    80±2

    7.0

    180

    5

    18

    1.25±0.05

    25

    45

    MY D191

    86±2

    4.0

    80

    6

    10

    1.26±0.05

    25

    40

    Physical data in the above table is for reference only.

    Vulcanization condition: 175× 5Min.

     Ratio of curing agent 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane0.65%.


    Advantage:

    -       Good processability

    -       Excellent comprehensive physical properties


    Applications:

    -       Keys, miscellaneous part, industrial and civil translucent silicone rubber product

    Category

    Item

    Appearance

    Hardness Shore A

    Tensile strength MPa

    Elongation at break %

    Breaking set %

    Tear strength B KN/m

    Specific density 25°C g/cm³

    Dielectric strength kV/mm

    Volume resistivity Ω.cm

    For extrusion

    MY D251 wire

    Ivory translucent

    50±2

    8.0

    440

    14

    20

    1.18±0.05

    20

    3.0*10¹⁴

    MY D251 tube

    52±2

    7.5

    380

    12

    20

    1.18±0.05

    20

    3.0*10¹⁴

    MY D261 wire

    60±2

    7.5

    380

    14

    22

    1.20±0.05

    20

    3.0*10¹⁴

    MY D261 tube

    62±2

    7.5

    300

    12

    22

    1.20±0.05

    20

    3.0*10¹⁴

    MY D271 wire

    70±2

    7.5

    250

    14

    20

    1.22±0.05

    20

    3.0*10¹⁴

    MY D271 tube

    71±2

    7.5

    200

    12

    20

    1.22±0.05

    20

    3.0*10¹⁴

    MY D281 wire

    80±2

    7.0

    180

    10

    20

    1.25±0.05

    20

    3.0*10¹⁴

    MY D281 tube

    80±2

    7.0

    160

    10

    20

    1.25±0.05

    20

    3.0*10¹⁴

     Physical data in the above table is for reference only.

    Vulcanization condition: 175× 5Min.

     Ratio of curing agent 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane0.65%.


    Advantage:

    -       Standard grade for extrusion

    -       Flexible processability

    -       Flexible comprehensive physical properties


    Application:

    -       Electric wires, cables, sheaths, industrial and civil translucent silicone rubber tubes and sealing strips


    Packing & Storage:

    - 20kg/ carton lined with plastic bags or sheets.

    - The products have a shelf life of 9 months from date of manufacture depending on the shore hardness if stored at room temperature in the originally sealed container.


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