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Ruina Optoelectronic is a trusted supplier of the High-Temperature Sterilization Cup with Quartz Sand – the innovative dry heat solution for laboratories, clinics, tattoo studios, and home users seeking chemical-free, precise sterilization. This guide covers specifications, usage, and expert answers.
Modern hygiene demands more than boiling water or chemical soaks. The High-Temperature Sterilization Cup with Quartz Sand delivers consistent, adjustable dry heat sterilization using natural quartz sand as a stable heat transfer medium. Unlike conventional sterilizers that rely on steam or UV light, this device uses high-temperature air circulation combined with quartz sand's excellent heat retention properties to achieve uniform thermal distribution across all surfaces.
Below are the core specifications of the High-Temperature Sterilization Cup with Quartz Sand.
| Parameter | Specification |
| Model | HT-QSC100 |
| Brand | Ruina Optoelectronic |
| Temperature Range | 80°C – 200°C (adjustable in 1°C increments) |
| Heat Transfer Medium | Natural quartz sand (food-grade, 0.5-1.2mm particle size) |
| Chamber Material | 316L stainless steel (corrosion-resistant) |
| Cup Capacity | 1.2L (fits up to 10 small instruments or 3 baby bottles) |
| Timer Settings | 5 – 120 minutes, auto shut-off |
| Control Interface | Digital touch panel with real-time temperature display |
| Temperature Accuracy | ±1.5°C across full range |
| Power Supply | 110-240V, 50/60Hz, 500W |
| Safety Features | Overheat protection, dry-run prevention, child lock |
| Dimensions (H×D) | 18cm × 15cm |
| Weight (empty) | 1.8 kg |
| Certification | CE, RoHS, FDA registered |
| Warranty | 2 years limited |
| Parameter | Specification |
| Model number | HT-QSC100 |
| Sterilization method | Dry heat through quartz sand thermal conduction |
| Temperature range | 80°C – 200°C |
| Minimum increment | 1°C |
| Heating time to 160°C | ≤ 4 minutes |
| Average sterilization cycle | 10 – 40 minutes (depending on load and temperature) |
| Material compatibility | Glass, metal, silicone, heat-resistant plastics |
| Display | Digital LCD with dual temperature readout (set vs. actual) |
| Noise level | ≤ 40 dB (silent operation) |
- Quartz Sand Thermal Medium – Natural quartz sand provides superior heat retention and uniform distribution, eliminating hot spots and cold zones.
- Precision Temperature Control – Adjustable from 80°C to 200°C in 1°C increments to match every material type.
- Chemical-Free Operation – No water, no UV bulbs, no chemical solutions – just pure dry heat sterilization.
- Rust Prevention – Dry heat process with zero moisture prevents oxidation on metal instruments.
- Low Energy Consumption – 500W heating element reaches operating temperature rapidly, saving energy.
- Compact and Portable – Lightweight 1.8kg design fits easily in any workspace or travel kit.
- Silent Operation – Under 40 dB, suitable for client-facing environments.
| Material Type | Recommended Temperature | Maximum Safe Temperature |
| Silicone (pacifiers, teething rings, tubing) | 100-120°C | 180°C |
| Glass (bottles, jars, slides) | 120-140°C | 200°C+ |
| Stainless steel instruments | 160-180°C | 200°C+ |
| Heat-resistant plastics (PP, PTFE) | 100-120°C | 130°C (check label) |
| Quartz/ceramic tools | 140-160°C | 200°C+ |
| Feature | Quartz Sand Cup (This Model) | UV Sterilizer | Steam Sterilizer | Chemical Soak |
| Heat transfer medium | Natural quartz sand | N/A | Water | N/A |
| Penetrates crevices | Yes (convection) | No (line-of-sight) | Yes | Yes |
| Leaves no moisture | Yes | Yes | No (causes rust) | Yes |
| Kills heat-resistant spores | Yes (at 160°C+) | No | No (~100°C only) | Varies |
| Material damage risk | Low (precise control) | Low | High (rust) | Medium (corrosion) |
| Chemical residue | None | None | None | Yes |
| Cycle time | 10-40 min | 5-10 min | 6-10 min | 10-30 min |




A: The High-Temperature Sterilization Cup with Quartz Sand uses natural quartz sand as a heat transfer and retention medium. Unlike air, which is a poor conductor of heat, quartz sand has excellent thermal conductivity. When heated, the sand particles transfer heat evenly to every surface of the instruments buried within.
Advantages of quartz sand over other media:
| Medium | Heat Retention | Uniformity | Risk of Moisture | Material Compatibility |
| Quartz sand | Excellent | Very high | None | All heat-resistant materials |
| Air | Poor | Moderate | None | All heat-resistant materials |
| Water/steam | Moderate | High | High (rust) | Limited (corrosion risk) |
| Salt/sand baths | Good | Moderate | None | Limited (abrasion risk) |
The quartz sand also acts as a physical stabilizer, holding instruments in a fixed position and preventing contact with the hot chamber walls. This reduces the risk of scorching or melting on delicate items.
A: Yes, the High-Temperature Sterilization Cup with Quartz Sand is versatile enough for both metal instruments and silicone baby products. The key is selecting the correct temperature for the load.
Load separation guidelines:
| Load Type | Temperature | Time | Notes |
| Metal instruments only | 160-180°C | 20-30 min | Full spore elimination |
| Silicone baby items only | 100-120°C | 15-20 min | Preserves flexibility |
| Mixed load (metal + silicone) | 100-120°C | 20 min | Sterilizes at lower temp; metals may not reach spore-kill levels |
| Mixed load (metal + glass) | 140-160°C | 25 min | Both materials tolerate this range |
Important rule: Always set the temperature to the lowest heat tolerance among all items in the cup. If you load silicone nipples (max 120°C) alongside steel scissors, run the cycle at 100-120°C to protect the silicone.
A: Maintenance of the High-Temperature Sterilization Cup with Quartz Sand is simple and requires minimal effort.
Daily care:
- After each use, allow the cup to cool completely
- Remove the quartz sand by pouring it into a clean container
- Wipe the stainless steel interior with a dry cloth
- Check the sand for contamination (food debris, oil, or moisture)
Weekly maintenance:
- Spread the quartz sand on a clean baking sheet
- Heat it in the cup at 120°C for 30 minutes to evaporate any absorbed moisture
- Sift the sand to remove any debris
- Replace the sand if it appears discolored or clumped
Monthly maintenance:
- Inspect the heating element for any visible damage
- Check the temperature calibration using a separate thermometer
- Wipe the exterior with a damp cloth and mild detergent
When to replace the quartz sand:
- Every 6-12 months (depending on frequency of use)
- Immediately if it appears oily, clumped, or strongly discolored
- If you notice uneven heating or prolonged cycle times
Replacement quartz sand is available directly from Ruina Optoelectronic and is sold in 1kg refill packs.
| Feature | Quartz Sand Cup | UV Sterilizer | Steam Autoclave | Chemical Soak |
| Heat transfer medium | Quartz sand | N/A | Water/steam | N/A |
| Maximum temperature | 200°C | Room temp | 121-134°C | Room temp |
| Rust or corrosion risk | None | None | High | Medium-high |
| Material versatility | Very high | High | Low | Medium |
| Cycle time | 10-40 min | 5-10 min | 15-60 min | 10-30 min |
| Operating cost | Low (electricity only) | Low | High (energy + water) | Medium (consumables) |
| Portability | High (1.8kg) | High | Low (heavy, fixed) | High |
| User Type | Primary Application |
| Tattoo and piercing studios | Sterilizing grips, needle holders, forceps |
| Nail technicians | Sterilizing cuticle nippers, pushers, drill bits |
| Parents | Sterilizing pacifiers, teething rings, bottle nipples |
| Medical clinics | Sterilizing small instruments, scissors, scalpels |
| Dental professionals | Sterilizing mirrors, explorers, small tools |
| Lab workers | Sterilizing glassware, metal spatulas, surgical instruments |
| Home crafters | Sterilizing precision knives, cutting tools, modeling equipment |
1. Place on a level, heat-resistant surface – away from flammable materials.
2. Allow 15 cm clearance on all sides for proper ventilation.
3. Do not overfill – leave space for quartz sand circulation.
4. Always dry instruments before loading – moisture can cause sand clumping.
5. Use the child lock when not in use to prevent accidental operation.
Ruina Optoelectronic has been manufacturing professional sterilization equipment for over a decade. Every High-Temperature Sterilization Cup with Quartz Sand undergoes rigorous quality control testing before shipping. As a trusted supplier, Ruina Optoelectronic offers:
- Bulk order discounts for clinics, studios, and distributors
- Custom branding options for resellers and private label programs
- Fast global shipping with tracking
- Responsive technical support for product inquiries
- Consistent quality across every batch with lot number traceability
- Replacement parts and quartz sand refills – long-term stocked for uninterrupted use
The High-Temperature Sterilization Cup with Quartz Sand offers a unique combination of precision temperature control, chemical-free operation, and superior heat distribution through natural quartz sand. Its compact design and versatile temperature range make it suitable for everything from delicate silicone baby products to rugged surgical instruments.
Quick selection tips:
| Application | Recommended Setting |
| Silicone pacifiers and nipples | 100-120°C, 15-20 min |
| Metal nail and tattoo tools | 160-180°C, 20-30 min |
| Glass labware | 140-160°C, 25 min |
| Mixed metal + silicone loads | 100-120°C, 20 min |
| Spore elimination (Bacillus) | 160°C+, 30-40 min |
Invest in the High-Temperature Sterilization Cup with Quartz Sand from Ruina Optoelectronic today and experience reliable, versatile sterilization that protects both your instruments and your clients.
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