Electric Eraser (SINOART Advanced) | Art studios, offices, classrooms | - Noise Level: 43 dBA (quieter than a refrigerator hum) | ▲ Quiet Operation (reduces noise pollution) | Requires batteries (AA/AAA) |
| | - Refill Capacity: 30 eraser refills (ISO 9001 certified quality) | ▲ Cost-Effective Longevity (30 refills vs. 10 in industry standards) | Higher upfront cost compared to basic models |
Traditional Eraser (Industry Standard) | Casual drawing, home use | - Material: Soft rubber (ASTM D2000 Class 1 hardness) | No batteries needed | ▲ Less Durable (requires frequent replacement) |
| | - Erasibility: Removes 80% pencil marks (ISO 5600 test) | Affordable | ▲ Inefficient for Heavy Use (struggles with dark graphite) |
Office Eraser (SINOART Base) | Routine paperwork, light editing | - Material: Plastic (ASTM D638 tensile strength: 20 MPa) | Compact, budget-friendly | ▲ Limited Refills (5 refills vs. 30 in Advanced tier) |
| | - Erasibility: Removes 70% marks (ISO 5600) | Lightweight and portable | ▲ Noisy (55 dBA vs. 43 dBA in Advanced tier) |
Refillable Eraser (Industry Standard) | Art schools, professional studios | - Refill Capacity: 10 refills (ISO 9001 compliant) | Environmentally friendly (reduces waste) | ▲ Lower Refill Count (10 vs. 30 in SINOART Advanced) |
| | - Erasibility: 85% mark removal (ISO 5600) | Compatible with multiple brands | ▲ Higher Maintenance Cost (refills priced at $0.50/unit vs. SINOART’s $0.30) |
Compact Eraser (SINOART Advanced) | Travel, on-the-go use | - Dimensions: 8x3x1.5 cm (meets TSA carry-on specs) | ▲ Space-Saving Design (fits in pencil cases) | ▲ Limited Power (0.3W vs. 0.5W in standard electric models) |
| | - Battery Life: 10 hours (AA battery) | Ergonomic grip reduces hand fatigue | ▲ Slower Erasing Speed (15 cm²/min vs. 25 cm²/min in non-compact models) |
High-Capacity Refill (SINOART Advanced) | Industrial drafting, bulk editing | - Refill Material: 95% recycled plastic (ISO 14021 environmental standard) | ▲ Sustainable Choice (reduces landfill waste) | ▲ Bulkier Packaging (may require storage space) |
| | - Erasibility: 95% mark removal (ISO 5600) | ▲ Highest Efficiency (ideal for large-scale projects) | ▲ Higher Initial Investment ($45 vs. $25 for base tiers) |