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					                                                                 SPECIFICATION OF OUR PRODUCTS
                                                Gravity           Tensile              Tear      Linear     Rebound
                                                        Hardness Strength Elongation Strength
     Application        Brand     Appearance   (g/cm3)                                          Shrinkage   Elasticity                Curing Agent
                                                        (SHORE) (Mpa) (%) ≥ (KN/M)
                                                 ±0.04                                           Rate %        %
                                                                    ≥                   ≥
                       HD-7851   translucent     1.14       50      7.5       350       16      3.4—3.8        66


                       HD-7861   translucent     1.16       60       7        300       16      3.4—3.8        61

                       HD-7871   translucent     1.18       70      6.5       250       15      3.2—3.6        54

                       HD-9130   translucent    1.10        30      5.8       450       13      3.8—4.2        60
  silicone rubber of
                                                                                                                         2,5-dimethy-2,5-di(tbutylperoxy)hexane
general purpose grade HD-9140    translucent     1.12       40      7.5       360       15      3.6—4.0        62

                       HD-9150   translucent     1.14       50      7.6       350       17      3.4—3.8        65

                       HD-9160   translucent     1.16       60      7.5       300       17      3.2—3.6        62

                       HD-9170   translucent     1.18       70      6.5       250       16      3.0—3.5        56

                       HD-9180   translucent    1.20        80      6.0       150       13       3.0-3.5       45

                       HD-9230   translucent    1.10        30      5.8       520       13      3.8—4.2        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9240   translucent     1.12       40      7.5       380       15      3.6—4.0        62        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9250   translucent     1.14       50      7.6       350       17      3.4—3.8        65        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9260   translucent     1.16       60      7.5       300       17      3.4—3.8        62        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9270   translucent     1.18       70      6.5       250       16      3.2—3.6        56        2,5-dimethy-2,5-di(tbutylperoxy)hexane

    general molding    HD-9280   translucent    1.20        80      6.0       150       14       3.0-3.5       45        2,5-dimethy-2,5-di(tbutylperoxy)hexane
    rubber,used for
keypad,seals and so on HD-9330   translucent    1.10        30      6.0       540       14       3.8-4.2       60        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9340   translucent    1.12        40      7.5       380       16       3.6-4.0       62        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9350   translucent     1.14       50      8.0       350       18      3.4—3.8        65        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                       HD-9360   translucent     1.16       60      7.8       300       18       3.2-3.6       62        2,5-dimethy-2,5-di(tbutylperoxy)hexane
    general molding
    rubber,used for
keypad,seals and so on

                                                                   SPECIFICATION OF OUR PRODUCTS
                                                  Gravity           Tensile              Tear      Linear     Rebound
                                                          Hardness Strength Elongation Strength
     Application          Brand     Appearance   (g/cm3)                                          Shrinkage   Elasticity                Curing Agent
                                                          (SHORE) (Mpa) (%) ≥ (KN/M)
                                                   ±0.04                                           Rate %        %
                                                                       ≥                  ≥
                         HD-9370   translucent      1.18     70       7.0       260       18       3.0-3.5       50        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                         HD-9380   translucent    1.20        80      6.0       150       15       3.0-3.5       48        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                         HD-9530   transparent    1.10        30      6.0       500       14      3.8—4.2        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                         HD-9540   transparent     1.12       40      7.2       400       16      3.6—4.0        62        2,5-dimethy-2,5-di(tbutylperoxy)hexane
  high class molding   HD-9550     transparent     1.14       50      8.0       350       18      3.4—3.8        65        2,5-dimethy-2,5-di(tbutylperoxy)hexane
    rubber for its
transparent appearance HD-9560     transparent     1.16       60      8.0       300       18      3.2—3.6        62        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                         HD-9570   transparent     1.18       70      7.0       260       16      3.0—3.5        56        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                         HD-9580   transparent    1.20        80      6.5       180       15      3.0—3.5        48        2,5-dimethy-2,5-di(tbutylperoxy)hexane

   common extrusion    HD-5770     translucent    1.20        70      7.0       250       16         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%
rubber for common wire
       and cable       HD-6770     translucent    1.20        70      7.5       250       17         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%

transparent extrusion
                         HD-9770   transparent     1.18       70      7.6       300       22         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%
   silicone rubber

                         HD-9960    white/grey    1.40        60      7.0       350       18         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%
   flame retardent
                         HD-9961    white/grey    1.40        60      7.0       300       16         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%
extrusion rubber for
        wires            HD-9962    white/grey    1.40        60      6.0       300       14         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%
                         HD-9963    white/grey    1.40        60      5.5       250       13         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%

   high temperature      HD-8961    milk white    1.40        60      7.0       350       18         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%
 repellent extrusion
   rubber for wires      HD-8971    milk white    1.40        70      6.8       260       17         —           —         DCLBPbis(2,4-dichlorobenzoy)peroxde 50%

                         HD-4440   transparent    1.08        40      8.5       550       22      3.8—4.2        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane

common fumed silicone HD-4450      transparent    1.10        50      9.0       500       25      3.6—4.0        62        2,5-dimethy-2,5-di(tbutylperoxy)hexane
 rubber for its good
                      HD-4460      transparent    1.12        60      9.0       400       25      3.4—3.8        56        2,5-dimethy-2,5-di(tbutylperoxy)hexane
  tear and tensile
      strength        HD-4470      transparent    1.14        70      9.0       350       24      3.4—3.8        50        2,5-dimethy-2,5-di(tbutylperoxy)hexane
common fumed silicone                                                 SPECIFICATION OF OUR PRODUCTS
 rubber for its good                                 Gravity           Tensile              Tear      Linear     Rebound
  tear and tensile                                           Hardness Strength Elongation Strength
     Application         Brand     Appearance       (g/cm3)                                          Shrinkage   Elasticity                Curing Agent
      strength                                               (SHORE) (Mpa) (%) ≥ (KN/M)
                                                      ±0.04                                           Rate %        %
                                                                          ≥                  ≥
                        HD-4480    transparent        1.16      80       8.5       300       23       3.0-3.5       45        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                        HD-5541    transparent       1.08        40      8.5       630       33      3.8—4.2        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane

high tear strength of   HD-5551    transparent       1.10        50      9.0       550       35      3.6—4.0        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane
fumed silicone rubber   HD-5561    transparent       1.12        60      9.0       500       35      3.6—4.0        58        2,5-dimethy-2,5-di(tbutylperoxy)hexane
                        HD-5571    transparent       1.14        70      9.0       400       35       3.0-3.5       50        2,5-dimethy-2,5-di(tbutylperoxy)hexane

  high transparent      HD-4441    transparent       1.08        40      8.8       660       32       3.8-4.2       58        2,5-dimethy-2,5-di(tbutylperoxy)hexane
    nipple rubber       HD-4451    transparent       1.10        50      9.0       550       33      3.6—4.0        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane
                        HD-4442    transparent       1.08        40      8.0       650       30       3.8-4.2       58        2,5-dimethy-2,5-di(tbutylperoxy)hexane
common nipple rubber
                        HD-4452    transparent       1.10        50      8.5       500       33      3.6—4.0        60        2,5-dimethy-2,5-di(tbutylperoxy)hexane
  for swimming cap      HD-9920    transparent        1.05       20      4.8       800       10         —           —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
                        HD-2151    yello/brown        1.33       50      7.0       350       18         —           —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
  high temperature
                        HD-2152    yello/brown        1.35       50      7.0       300       18         —           —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
repellent over 300℃
                        HD-2153    yello/brown        1.35       50      7.0       250       16         —           —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
                        HD-8750    grey black        1.40        50      5.8       320       16      2.4—3.0        68                         DCP
   flame retardant      HD-8751    grey black        1.40        50      5.8       300       16      2.4—3.0        65                         DCP
rubber,and get the UL
     certificate        HD-8752    grey black        1.42        50      5.0       260       15      2.4—3.0        65                         DCP

                        HD-8753    grey black        1.42        50      5.0       260       15      2.4—3.0        62                         DCP

                        HD-2660 translucent/white    1.16        60      7.2       300       18       3.2-3.6        _        2,5-dimethy-2,5-di(tbutylperoxy)hexane

rubber for car jacket   HD-2661 translucent/white    1.16        60      7.2       260       18       3.2-3.6        _        2,5-dimethy-2,5-di(tbutylperoxy)hexane

                        HD-2651 translucent/white    1.14        50      7.2       350       18       3.2-3.6        _        2,5-dimethy-2,5-di(tbutylperoxy)hexane
conductive silicone
                        HD-2170       black          1.18        70      3.6       150       8          —           —                          DCP
  rubber(molding)
                        HD-2250        red           1.38        50      6.0       500       16      3.2—3.6        —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
                        HD-2251        red           1.38        50      5.5       300       16      3.2—3.7        —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
   insulator ,HVI
                        HD-2252        red           1.40        50      5.0       260       15      3.0—3.4        —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
                                                                 SPECIFICATION OF OUR PRODUCTS
                                                Gravity           Tensile              Tear      Linear     Rebound
                                                        Hardness Strength Elongation Strength
     Application        Brand    Appearance    (g/cm3)                                          Shrinkage   Elasticity                Curing Agent
   insulator ,HVI                                       (SHORE) (Mpa) (%) ≥ (KN/M)
                                                 ±0.04                                           Rate %        %
                                                                     ≥                  ≥
                       HD-2253      red          1.40      50       4.0       250       14      3.0—3.5        —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
 fumed roller for copy
                       HD-2750     white        1.18        50      6.0       300       18         —           68        2,5-dimethy-2,5-di(tbutylperoxy)hexane
        machine
fumed roller for small
                       HD-2751     white        1.20        50      6.0       250       15         —           75        2,5-dimethy-2,5-di(tbutylperoxy)hexane
     copy machine
     good anti-
                       HD-2752     white        1.20        50      5.0       250       16         —           70        2,5-dimethy-2,5-di(tbutylperoxy)hexane
  abrasion,used in
    industry and
  electricity for      HD-2753     white        1.20        50      4.5       250       16         —           70        2,5-dimethy-2,5-di(tbutylperoxy)hexane
       roller

vapor repellent rubber
                       HD-6650   translucent     1.15       50      8.0       350       20         —           —         2,5-dimethy-2,5-di(tbutylperoxy)hexane
 for wires and cables

Remarks: the specification above is the properties after first vulcanization,
we can change them according to the customers' requirement
www.hongda-chemical.com
Specifications and applications




This grade is suitable for press,
good     mechanical     properties,
transparent,.As       a        GP
compounds,it is useable widely in
miscellaneous and sealants.




Mainly    suitable    for     base
compound     of    keypad      and
miscellaneous goods.
Mainly    suitable    for     base
compound     of    keypad      and
miscellaneous goods.



Specifications and applications




This grade is suitable for high
quailty silicone keypads ,the
appearance are almost same after
post cured.




Suitable for common wires and
extrude products.


For transparent extruded products.



Suitable for flame retardant wires
and extrude products.



Suitable for high        repellent
extruded products.




Good transparency , suitable for
medical purposes.
Good transparency , suitable for
medical purposes. applications
Specifications and




Excellent tearing strength and
transparency , suitable for goods
which require high tearing
strength.


High transparency , suitable for
products good hygiene , such as
baby feeding nipples.



Suitable for products which
working environment temperature
is less than 300℃


Suitable for products which
require good flame retandant
properties , such as anode cup.




Rubber for automotive hoses.
Specifications and applications




Rubber for high heat steam

				
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