Rubber Compounder (Raw Rubber Processing)
やくひんはいごうこう（げんりょうゴムかこう）
Industry & Occupation
Classification
Summary
Specialized occupation that manufactures rubber compounds by mixing various chemicals and additives into raw rubber at prescribed compounding ratios.
Description
The Rubber Compounder (Raw Rubber Processing) compounds chemicals and additives such as sulfur, vulcanization accelerators, fillers, and plasticizers into synthetic rubber or natural rubber at precise ratios to produce rubber compounds. Tasks include reading compounding instruction sheets, weighing, loading into mixing machines, managing kneading conditions, temperature control, quality verification through sampling, record creation, and safety and hygiene management. Also responsible for cleaning and maintenance of machinery, and adherence to safety procedures when handling chemical agents.
Future Outlook
While advanced skills will be required due to the introduction of automation technologies and solvent-free compounding technologies, stable demand for rubber products will continue. Opportunities to participate in the development of new materials for environmental regulation compliance are also expected to increase.
Personality Traits
Cooperative / High safety awareness / Meticulous / Strong sense of responsibility
Work Style
Day shift only / Indoor factory work / Line work / Shift / Standing work
Career Path
Manufacturing Operator → Shift Leader/Foreman → Production Technology Staff → Quality Management Staff → Production Manager
Required Skills
Chemical Handling / Quality Management / Rubber Kneading Machine Operation / Safety and Hygiene Management / Weighing and Measuring Skills
Recommended Skills
Basic Chemistry / Forklift Operation / Quality Management Techniques (ISO9001) / Statistical Process Control
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Because errors in compounding ratios affect product quality. |
| Numerical & Quantitative Analysis | Because precision is required for calculating compounding ratios and weighing. |
| Physical Stamina & Endurance | Because physical strength is required for weighing raw materials and operating equipment. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Primarily follows prescribed compounding recipes. |
Related Qualifications
- Hazardous Materials Handler (Class B, Type 4)
Related Jobs
- Rubber Kneader
- Rubber Molder
- Tire Manufacturing Worker