Rubber gains much of its strength and its resistance to heat and light from the addition of carbon black. Hence the vast majority of rubber is black.
Coloured rubbers can be produced using other reinforcing fillers and suitable colouring pigments.
However, the changes that take place during curing, and the nature of the moulding process, make it difficult to maintain perfectly even coloration, particularly with pale colours. Silicone rubbers are the most suitable for achieving reliable and clean coloured mouldings, even with pale colours and translucents.
The finish of rubber can range from semi-gloss to extremely matt using the same mould, but it will always be less smooth and mirror-like than plastic. The matt, non-reflective nature of their surface means that coloured rubbers will have a different appearance to neighbouring “hard” materials.
Attractive appearances can be obtained by moulding a patterned surface into a component, such as a fine matt geometric pattern or “sparked” finish.
"ONGC - Oil and Natural Gas Corporation Limited" - Our complex drilling application where Shaft was eccentric and application was robust & muddy. Replacement was never easy. Mech Spares designed Oil seals resolved difficulty. This gave a complete joy to my maintenance team.
"Mr Mohammed Al Duaigy" of (Kuwait National Petroleum Company) : We tried several diaphragms from renown worldwide Rubber manufacturing companies. We found Mech Spares technical know how and product to be of great durability and lasted 3 times more then anticipated. They have accurate understanding of there products.
"McCafferty BM Design Ltd, KENT United Kingdom" - Most of the O rings manufacturing company suggested to use larger diameter and expensive elastomers. We learnt with Mech Spares that elastomer being weaker compare to metal and alloys and needs appropriate back up for high pressure or high vacuum applications. Further not necessary the most expensive elastomer is the best for all applications. We trust Mr Nilesh chodhari completely for all our O rings designing applications.
"Dr. A. Singh" of BARC: The electric Insulation mat manufactured by MECH SPARES as per IS 15624 tested at ERTL and found to withstand 40 Kv and still didn't tear. We have been using since 5 years and still didn't generate any fatigue. They arranged bulk delivery in short period.
"Tata Steel" - One of our old machines started making loud noise and disturbed the entire village. We were compelled to stop the machines which lead to huge production loss. With the help of Mech Spares designed bellows in two part we could retain the lubrication and eliminate the noise.
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