NBR modified compounds

Specifications

Producing all kinds of rubber compound according to customer's requirment.
rubber compounding compounding

Rubber compound for rubber hose series

1.Inner layer rubber)

Test Item)                                                Test Results

Hardness(Shore A)                                        75

Tensile Strength(MPa)                                  18

Elongation(%)                                              370

Heat aging resistance)(70°C×48h)

Change in hardness)(Shore A)                      2

Change in tensile) (%)                                -13

Change in elongation(%)                            -19

2.Outer layer rubber

Test Item                                           Test Results

Hardness)(Shore A)                                   6

Tensile Strength)(MPa)                            13

Elongation)(%)                                       440

Heat aging resistance)(70°C×48h)

Change in hardness)(Shore A)                1

Change in tensile) (%)                           -19

Change in elongation)(%)                     -21

3.Middle layer rubber)

Test Item                                           Test Results

Hardness)(Shore A)                                 70

Tensile Strength)(MPa)                           16

Elongation)(%)                                       480

Heat aging resistance)(70°C×48h)

Change in hardness)(Shore A)               2

Change in tensile) (%)                          -20

Change in elongation)(%)                    -16

All rubber compounds are tested before shipment to ensure compliance with our highest quality standards. Testing of tensile strength, modulus, specific gravity and resilience, durometer, as well as rheometer graphs form the basis of our quality control. Our statistical process control system ensures product uniformity and workability, resulting in a compound that will process efficiently in your operation.