Rubber Compounding Ingredients

Not only can we improve an elastomer s physical strengths by compounding other ingredients into the mixture of elastomer and sulfur but also we can improve other characteristics and even create some that do not naturally occur.

Rubber compounding ingredients.

The list of ingredients in phr parts per hundred rubber called rubber compound recipe. Depending on the. An antidegradant is a compounding ingredient added into a rubber compound to retard the deterioration caused by oxidation ozone light or combination of these. The most common compounding ingredients added into the rubber are vulcanizing agents vulcanization accelerators activators for the accelerators fillers processing aids softeners antidegradants and other miscellaneous ingredients for specific purposes.

Starting point rubber compounding formulations. It is expected that modifications may be necessary to produce satisfactory commercial products. Ingredients in rubber compound is a large group of components including curing agents accelerators and vulcanization activators antioxidants plasticizers fillers and special additives blowing agents dyes etc. The list of ingredients in phr parts per hundred.

Some accelerators are curing agents at the same time sulfur donors. Hence antioxidants are added to protect the rubber against oxygen attack while antiozonants are added to protect the rubber against ozone attack. Optimised performance in this context refers not only to mechanical properties but also for example resistance to bacteria or particular chemicals. Operating recommendations for mechanical rubber goods nov 9 2016 blog.

Even natural rubber can have its very good physical traits enhanced by putting in other ingredients in the mixture. Activators accelerators ingredients and fillers inorganic compounds mainly metal oxides zinc oxide hydrated lime organic acids normally in combination with metal oxides stearic oleic stearic oleic alkaline substances will increase ph of rubber usually increases cure.