Feature
An Overview of Environmental Issues for Rubber Industries
Posted on 29 January, 2010 | Tags: Environmental Concern
Indian Rubber industries have to employ stacks of severe norms to face future prospects. To maintain its position and nurture in the export market, Indian Rubber Industry has to apply good manufacturing practices at every phase of practice to guarantee class rubber product.
Rubber Industry is encouragingly rising globally beside the augmentation of automobile Industry. Subsequent to China the Indian rubber industry is budding at a faster pace. India is the 4th largest NR manufacturer and 5th major consumer of NR & SR collectively moreover the good being exported to more than 85 countries in the world. The tyre industry consumes nearly 2/3rd of rubber production and due to this lot of ravage is generated annually because of the scrape tyre.
The Government of India has acknowledged the automotive zone as a key area for civilizing India's inclusive competitiveness and achieving elevated monetary expansion. The Auto Policy for India was formulated amid apparition to establish internationally viable industry in India, moreover to dual its involvement to the economy by 2010. It intends to advance R&D in automotive industry by intensifying the labours of industry towards course if apposite fiscal and pecuniary incentives and establishing world class estimate and testing potential for automotive industry by investing more than Rs.2000 crores in National Automotive Testing and R&D Infrastructure Project (NATRIP).
Currently issues in automotive developments are alert to minimize the unconstructive aspects for instance environmental troubles, traffic accidents and maximizing the benefit such as customer delightedness with admirable ease. The automotive industry is subjected to the regulation of exhaust gas, evaporation, noise, waste disposal, and environmental hazards. It should moreover acclimatize diverse fresh challenges such as fuel economy, expansion of maintenance-free automobiles, durability, and high performance engines for oxidized fuels. The rubber apparatus uncovered to corrode fuel lead to lots of rigidity.
Indian Rubber industries have to employ stacks of severe norms to face future prospects. To maintain its position and nurture in the export market, Indian Rubber Industry has to apply good manufacturing practices at every phase of practice to guarantee class rubber product. A number of ingredients are included to advance dispensation through manufacturing machineries existing in the industry and the stages of rubber processing are usually considered to contain raw materials handling, mixing, performing and vulcanization / moulding.
The purpose of the processing additives is to reduce every dilemma allied amid product fabrication whilst maintaining, or civilizing the product routine.
Automotive Sectors: Automotive sectors want elevated eminent Rubber apparatus to face newest severe convention. The vendors to automotive sectors ought to acquire worthy management certification like ISO 9001-2000 and upgraded to I\TS/ISO 16949:2002 which demands plenty of statistical technique control based industrial prone manufacturing formation.
Rubber Product manufacturers ought to estimate the necessities of technical parameters as well as the environmental linked rules prior to scheduling process engineering. The materials need be inspected before using for manufacturing product.
The requirement of raw materials should be precise as documenting the Raw Material Quality Plan (RMQP) and aligned amid recent product characteristics with environmental connected parameters for example ROHs, REACH, etc. Mass acquisition shall offer healthier poise on the eminence than slack purchases.
Latex / dipping Goods Industries as well pursue certain product exclusivity supplies which contain environmental linked norms. The chemicals used in the latex formulation are invented to include adherence to these environmental norms, thus the concluding product does not fail to submit the stringent norms (e.g.) nitrosomine content. Latex /dipped good industry ought to guarantee so as to the effluent water is treated and analyzed prior to thrown into the river, lake or open land.
Rule Concerning Biological Distress
ISO TC 45 has a task force TC45/WG 16 to determine ethics along with environmental matter analogous to discarding of rubber products and waste. The cluster similarly labours through ISO TC 61 technical committee for plastic standards
Occupational Safety and Health Administration (OSHA) expressed their anguish by a numeral amine compounds that are nitrosated in the midst of nitrogen oxides commencing the air through assimilation, milling, extrusion, molding, calendaring, curing, together with warehousing as well as storage.
It is once commenced to facilitate these amines as potent animal carcinogens, and perhaps close to aflatoxin in menace. There are in addition further fitness possessions moreover the cancer threat and
Consist of the target organs of the liver, kidney, lungs, skin and eyes.
Some nitrasoamines likely to form likely to form during the rubber vulcanizing reaction include N-Nitroso-di-n-butylamine, N-sNitroso-di-ethanolamine, N-Nitroso-di-ethylamine, N-Nitroso-di-methylamine, N-Nitroso-di-isopropylamine N-Nitroso-di-n-propylamine, N-Nitroso-morpholine, N-Nitroso-piperidine, and N-Nitroso-pyrrolidine.
In rubber industries the workforce contract revelation to these chemicals in various procedures like Mixing, Banbury, Extruder, Curing / molding and finishing.
The workers must be made attentive of the vulnerability of N-Nitroso compounds in the rubber and connected industries to evade latent contacts to them. Suitable conformity action ought to be in used to guarantee so as to appropriate engineering controls, work practices, protective clothing and respirators are being offered and utilized. Implementing Good Manufacturing Practices (GMP) concepts and bench marking processes with respect to environmental friendliness is a good indicative measure for employee's health care in Industry. Engineering controls should include process enclosure, dilution or general ventilation and local exhaust ventilation etc. Isolation of the operation or equipment should also be considered as appropriate. Protective clothing should include gloves, gowns, masks, and goggles, especially in laboratory settings, for the protection of the face, skin, eyes and other parts of the body. Other general safety related items such as fire fighting equipments, fire extinguishers across the plant etc. also to be provided. A minimum industrial safety norm has to be followed by all Rubber industries so as to minimize the risk & also to meet the government / rules and regulations etc.
Effluents from rubber factories released into inland surface waters have to be scrutinized for its pH, COD, BOD as well as treated if mandatory prior to ejection into lake or rivers.
Requirement of non-carcinogenic tire extender oils for tyre industries are important. Non-carcinogenic mineral oil based plasticizers and extender oils are utilized more and more in rubber and tire compounds. Health and environmental consciousness, in addition to the coming European Union legislation prohibiting the use of high-aromatic tire extender oils drive the interest.
Automobile producer and other rubber product end users have issued stringent requirements with regards to the use of nitrosamines. Restricted standard disallows the utilization of nitrosamines in excess of the 0.1% threshold values of the part's total weight. With over 300 nitrosamines safety continuous to drive the elimination of nitrosamines in the rubber industry. Therefore, in nitrosamine regulations, identification of nitrosamines, how they are formed, and the latest in compounding essentials to produce non-nitrosamines generating compounds becomes challenges for the rubber and allied industries.
Outline of Heavy metals or elements in rubber goods:
Existence of heavy elements like Hg, Cr, Ar, As, Pb in the rubber products more that accepted restrictions are outlawed. The rubber supplies manufactured are to be declared for presence of such profound trace elements. Exporting rubber goods to US, European countries are all supposed to conform affirmation and also they are believed to be less than the settled limitations.
IRMRA has conveniences to perform constrained heavy trace metal/elements. Such elements/metal are tested by means of complicated apparatus like Inductively Coupled Plasma Spectroscopy (ICPS). In order to avoid the presence of such heavy metals/element on the finished rubber product it is wise to ensure that the raw material used for manufacturing the same are free from such heavy metals/elements. So it is better to inspect raw materials before going to manufacturing stage to reduce the huge loss of cost & time.
Restricted organic Hazardous substances in Rubber goods
All rubber goods are tested for presence of restricted organic hazardous substances (ROHS) and licensed via a recognized lab prior to export to European countries. These substances like PAH, PCAH, etc. are experienced by means of GCMS (Gas Chromatography Mass Spectrometer) and are enumerated.
REACH is (Registration, Evaluation, Authorization and Restriction of Chemicals) a new regulation of chemical substances adopted by EU council on 18th December 2006. It has focus on high volume chemicals and substances of very high concern (SVHC).
Manufacturers, dealers, brand managers, merchants, and distributors display the use of a chemical substance, which does not unfavorably affect either individual well-being or the environment by providing renowned shield to information on the matter along with all risk for potentially reasoning harm or fitness fear to the surroundings by the chemical itself are acknowledged and supervised.
Purpose of REACH is to execute the fortification of human health and environment, increasing apprehension on the chemicals used in the product, consistency inside all EU countries. Products like cosmetics, fuels, plastic, stabilizers, plasticizers, rubber, finished products, toys, textiles, shoes, paint, ink & coating, dyes & pigments are covered under this REACH.
Salvage / Squander Deployment Venture pro Rubber Industries:
Owing to boost in oil price, the rubber industry has been facing enormous price hike in the raw rubber as well as further petrochemical linked additives. The price of Natural Rubber has amplified significantly within a year and therefore, reprocessing of waste rubber products magnetizes added value.
There are diverse procedure previously been developed as well as established for recuperation of rubber from the waste rubber products by de-vulcanization process. Waste rubber is employed as fuel for boilers as they are chiefly petrochemical products.
IRMRA concluded with a project (sponsored by Ministry of Environment and Forest, Government of India) titled "Mass Utilization of Waste rubber and Chunk Rubber Composite (CRC)". It deals with latest pioneering thoughts to employ the chunk rubber squander, via different categories of adhesives furthermore utilize them for connecting mass Rubber composites of dissimilar dimensions. The chunk rubber compounds were developed plus its properties were compared with the vulcanized tread rubber.
Employment of devastated tyre equipments in the shape of Chunk Rubber Composites (CRC) is considered as an environmental friendly solution. Globally assorted methods are developed for reprocessing of waste trye equipments, yet, there is bunch of possibility of labour to formulate such devastated supplies in a value added application, which will be environment friendly. Waste consumption is particularly more significant in assorted industry. The tyre chunk can be improved simultaneously utilized in the backyard or else concrete relevance by means of the technology developed via IRMRA.
K.Rajkumar Senior Assistant Director (Projects, Quality & Training)
Indian Rubber Mfrs. Research Association
E-mail irmracsc@gmail.com


