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      Product
  Hardening Filler 9010

Appearance: Offwhite to faint red powder
pH: 7-9
Heating loss: ≤ 2%

Use:
Hardening Filler 9010 is used in rubber to improve hardness, tensile strength and ageing resistance. It is suitable for rubber tyre, tread, sole, hose, belt, etc.

Rate of use: Generally 1-4 parts, optimum at 1.5-2.5 parts.

Example:

Formulation:
 
Natural rubber
400
ZnO
20
Sulfur
12
Stearic acid
12
Antioxidant A
4
N 326 carbon (Carbot)
200
Accelerator M
2.4
Pine tar
12

Mix the above ingredients, add 6g (eq. to 1.5 parts) of  Hardening Filler 9010.

Result (compared to samples without Hardening Filler 9010)
  Properties
  Improvement
  Shore A hardness
  ≥6
  300% Tensile strength Mpa)
  ≥4

 

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