ASTM D3184-11 pdf free.Standard Practice for Rubber – Evaluation of NR (Natural Rubber).
ASTM D3184 covers the standard materials, test formulas, mixing procedures, and test methods for the evaluation and production control of natural rubber (NR).
5. Sample Preparation
5.1 For tests intended for referee purposes obtain and prepare the samples in accordance with Test Methods D1485.
6. Mixing Procedures
6.1 The following three mixing procedures are offered as follows:
6. 1. 1 Miii Method A—For gum formulas 1A and 3A.
6. I .2 Miii Method B—For black formula 2A.
6.1.3 MIM Method C—For formula 1A, 2A, and 3A.
2. Referenced Documents
ASTM D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension
ASTM D1485 Practice for Rubber from Natural SourcesSampling and Sample Preparation
ASTM D1646 Test Methods for RubberViscosity, Stress Relaxation, and Pre-Vulcanization Characteristics (Mooney Viscometer)
ASTM D2084 Test Method for Rubber PropertyVulcanization Using Oscillating Disk Cure Meter
ASTM D3182 Practice for RubberMaterials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
ASTM D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries.
8. Keywords
8.1 mill method; miniature mixer; mixing procedures; natural rubber; sample preparation; test methods.