Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D7050-04
• Năm ban hành / Publication date: 2004
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Practice for Rubber from Natural Sources-Sampling and Sorting Bales Based on Predicted Processing Properties
• Chỉ số phân loại Quốc tế (ICS) / By field: 83.060 - Cao su
• Số trang / Page: 2
• Phạm vi áp dụng / Scope of standard: 1.1 This practice covers the sorting of natural rubber bales of TSR10 or TSR20 in the factory according to their predicted processing performance based on differences in viscoelastic properties.1.2 This practice determines which bales should be used in factory compounds which benefit from using "soft" natural rubber versus which work better with "hard" natural rubber.