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Rubber/formulation for wind shield wiper rubber


recipe for wind shield wiper blade for automobile use. Blending of neoprene and natural rubber.

I do not recommend Chloroprene, because you will have problem on chlorine attack to prepare the surface for use, please try the following formula

Natsyn 2200 70.00
EPDM 30.00
Zinc Oxide 7.50
Stearic Acid 2.00
Wingstay 29 1.25
N-550 Carbon Black 50.00
Naphthenic Oil 10.00
Durax 1.20
Methyl Tuads 0.25
Sulfur 1.50
Total 173.70

Best Regards



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Luis Antonio Tormento


Operational Chemical Engineer with specialization in rubber compounding and processing: - Vast knowledge on rubber molding techniques: extrusion, press and injection molding. - Marketing expertise on the development of applications of rubber chemicals, precipitated silica and specialty rubbers. - In his career he developed numerous production compounds for automotive and industrial hose, rubber mats, retread compounds, tire compounds, shoe soles and molded products. TPE/TPV/TPO applications


I have 36 years working in plant processing of hose, tire, shoes and press/injected cured rubber compounds and technical assistance for two big raw material suppliers: Chemtura and Nitriflex. Actually I have my own company

2006-2011 - Rubber Division Director - Brazil Rubber Group 2008-2009 - Vice President - Brazil Rubber Group 2002-2007 - President - Brazil Rubber Group 2000-2001 - Technical Director - Brazil Rubber Group

Several papers published on magazines, congress and conferences about rubber processing and compounding

Chemical Engineer by FEI - Brazil (1979) Advanced Rubber Technology - Rubber Division (1992) University Expert on Plastic and Rubber - UNED (Spain) - 2002

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