قراءة كتاب The Preparation of Plantation Rubber

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قراءة كتاب The Preparation of Plantation Rubber

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‏اللغة: English

The Preparation of Plantation Rubber

The Preparation of Plantation Rubber

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المؤلف:

Morgan Sidney

دار النشر: Project Gutenberg

الصفحة رقم: 6

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CHAPTER XX SPECIAL METHODS OF PREPARATION Da Costa process—Byrne curing process—Freezing process—Wickham process—Derry process—Spontaneous coagulation—Definition of—Discussion of types—Ærobic—Anærobic—Organisms—Maude-Crosse patent—Method of operation—Accelerating action of sugars—Accelerating action of soluble calcium salts—Ilcken-Down process—Slab rubber 290 PART VI VULCANISATION CHAPTER XXI INTRODUCTORY DEALING WITH TREATMENT AND VULCANISATION Wild rubber contrasted with plantation rubber—Milling and mixing—Preparation for vulcanising—Vulcanising 301 CHAPTER XXII TESTING OF PLANTATION RUBBER Tests on raw rubber—Breaking strain—Behaviour of rubber during milling, etc.—Preparation for testing—Tests on vulcanised rubber—Choice of a formula—Physical tests 309 CHAPTER XXIII THE PROPERTIES OF RUBBER Raw rubber—Physical tests—Vulcanised rubber—“Inner qualities” of raw rubber—Defects of crepe and sheet—Variation in physical properties—Rate of cure—Influence of various factors in raw rubber on rate of cure—Other types of plantation rubber—Fine para 313 Index 327

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