Download Ageing of Rubber : Accelerated Weathering and Ozone Test by R.P. Brown, T. Butler, S.W. Hawley PDF

By R.P. Brown, T. Butler, S.W. Hawley

A long term ordinary growing old programme was once begun in 1958 while 19 rubber compounds have been uncovered at three destinations. the ultimate units of try items have been withdrawn in 1998 giving a complete of forty years of usual growing old. This file info the result of the factitious weathering and ozone publicity exams and makes comparisons with the implications after usual growing old. the subsequent houses have been chosen for tracking the bogus weathering exposures; tensile energy, elongation at holiday, rigidity at a hundred% elongation, tension at three hundred% elongation and microhardness.

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24 Ageing of Rubber - Accelerated Weathering and Ozone Test Results APPENDIX 2 WEATHERING RESULTS © Copyright 2001 Rapra Technology Limited 25 26 Ageing of Rubber - Accelerated Weathering and Ozone Test Results Natural Rubber - Standard Compound A (natural rubber - standard) Table 1. 5 29 Hardness (IRHD) Tensile Properties Compound A (natural rubber - standard) Table 2. 0 0 30 60 90 120 150 180 Weathering Period (Days) 30 Ageing of Rubber - Accelerated Weathering and Ozone Test Results Natural Rubber - Good Ageing Compound B (natural rubber - good ageing) Table 1.

5 29 Hardness (IRHD) Tensile Properties Compound A (natural rubber - standard) Table 2. 0 0 30 60 90 120 150 180 Weathering Period (Days) 30 Ageing of Rubber - Accelerated Weathering and Ozone Test Results Natural Rubber - Good Ageing Compound B (natural rubber - good ageing) Table 1. 0 9 Hardness (IRHD) Tensile Properties Compound B (natural rubber - good ageing) Table 2. 2 5. 0 0 30 60 90 120 150 180 Weathering Period (Days) 34 Ageing of Rubber - Accelerated Weathering and Ozone Test Results Natural Rubber - Mineral Filler Loaded Compound C (natural rubber - mineral filler loaded) Table 1.

12 -1 Hardness (IRHD) Tensile Properties Compound J (butyl rubber - general purpose) Table 2.

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