EVALUATION OF PIGMENTED ALIPHATIC POLYURETHANE AND OTHER COATINGS FOR RAILWAY EQUIPMENT.

被引：0
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作者：
Fraser, R.A.
Fraser, W.J.
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来源：
| 1600年 / 45期
关键词：
ACCELERATED WEATHERING;
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摘要：
Correlation between laboratory tests and service performance of aliphatic polyurethane coatings is examined. Results of these in-service tests have brought to light some deficiencies in present laboratory tests and have demonstrated the need for more approximation of service conditions in laboratory testing. Comparison of accelerated weathering tests obtained on single carbon-arc twin carbon-arc and Dewcycle Weather-Ometer, with outdoor exposure at Montreal and Florida are presented. Alkyd, silicone-alkyd and acrylic coatings are discussed in less detail.
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