Model NO.: HB-9
Made of: Quartz or Boro 3.3
Size: Customizable
Color: Clear
Bottom: Round or Flat
Keyword: Test Tube
Keyword2: Quartz Test Tube
Keyword1: Round Bottom Quartz Test Tube
Anneal Point: 1180°C
Soft Point: 1680°C
Strain Point: 1120°C
Trademark: HB
Transport Package: Standard Export Packaging to Prevent Damage
Specification: CE, ROHS
Origin: Jiangsu, China
HS Code: 7013990000
Polishing Round Bottom Clear Quartz Test Tube
**Product Description:** 1. **Extraordinary Reliability** – Thermo Materials’ ISO 9000 quality system ensures 100% inspection using assisted visual and ultrasonic testing for all products, guaranteeing the highest standards of quality and performance. 2. **Outstanding Thermal Shock Resistance** – This quartz test tube is designed with the lowest coefficient of thermal expansion, making it highly resistant to temperature changes and ideal for high-performance applications. 3. **Excellent Refractoriness** – It maintains its structural integrity under extreme temperatures and pressures, ensuring long-term durability and reliability in demanding environments.


**Chemical Composition of Quartz Boat (unit: ppm):**
**Packaging & Shipping:** 1. Pearl cotton 2. Bubble pad 3. Carton 4. Standard wooden case **Our Services:** 1. OEM service available 2. Custom production based on customer requirements, including design, packaging, and logo printing 3. Special packaging for fragile items to ensure safe delivery **Company Information:** HIGHBORN is a leading manufacturer and supplier of high-quality quartz glass and precision ceramics in China. With over 8 years as an Alibaba Gold Supplier, we have built a strong reputation for quality, reliability, and customer satisfaction. We specialize in producing quartz glass and ceramic components used in semiconductor, chemical, solar energy, textile, electronics, and laser industries. Our commitment to innovation, customer-centric approach, and continuous improvement has helped us grow steadily while maintaining our core values of trust, fairness, and respect. **Trade Assurance Service:** - USD 40,000 guaranteed account - 0% complaint feedback - 100% positive rating **FAQ:** 1. **Q: How can I get samples?** A: If we have samples in stock, we can provide them free of charge, but you will need to cover the shipping cost. For customized samples, a small fee may apply without any profit margin. 2. **Q: How do you protect my product?** A: With over 10 years of export experience, we have developed expert techniques to ensure safe packaging. We have never had any broken products during transit. 3. **Q: How do you ship the product?** A: We offer ocean, air, or express shipping options. 4. **Q: Can you offer door-to-door service?** A: Yes, we have extensive experience with door-to-door delivery and offer competitive pricing. 5. **Q: Which certificates do you provide?** A: We provide ISO, ROHS, and CE certifications.
**Product Description:** 1. **Extraordinary Reliability** – Thermo Materials’ ISO 9000 quality system ensures 100% inspection using assisted visual and ultrasonic testing for all products, guaranteeing the highest standards of quality and performance. 2. **Outstanding Thermal Shock Resistance** – This quartz test tube is designed with the lowest coefficient of thermal expansion, making it highly resistant to temperature changes and ideal for high-performance applications. 3. **Excellent Refractoriness** – It maintains its structural integrity under extreme temperatures and pressures, ensuring long-term durability and reliability in demanding environments.


**Chemical Composition of Quartz Boat (unit: ppm):**
Al | Fe | K | Na | Li | Ca | Mg | Cu | Mn | Pb | B | Ti |
20 | 1.0 | 3.5 | 3.5 | 1.0 | 2.0 | 0.5 | 0.3 | 0.5 | <0.01 | <0.2 | 2.0 |
**Packaging & Shipping:** 1. Pearl cotton 2. Bubble pad 3. Carton 4. Standard wooden case **Our Services:** 1. OEM service available 2. Custom production based on customer requirements, including design, packaging, and logo printing 3. Special packaging for fragile items to ensure safe delivery **Company Information:** HIGHBORN is a leading manufacturer and supplier of high-quality quartz glass and precision ceramics in China. With over 8 years as an Alibaba Gold Supplier, we have built a strong reputation for quality, reliability, and customer satisfaction. We specialize in producing quartz glass and ceramic components used in semiconductor, chemical, solar energy, textile, electronics, and laser industries. Our commitment to innovation, customer-centric approach, and continuous improvement has helped us grow steadily while maintaining our core values of trust, fairness, and respect. **Trade Assurance Service:** - USD 40,000 guaranteed account - 0% complaint feedback - 100% positive rating **FAQ:** 1. **Q: How can I get samples?** A: If we have samples in stock, we can provide them free of charge, but you will need to cover the shipping cost. For customized samples, a small fee may apply without any profit margin. 2. **Q: How do you protect my product?** A: With over 10 years of export experience, we have developed expert techniques to ensure safe packaging. We have never had any broken products during transit. 3. **Q: How do you ship the product?** A: We offer ocean, air, or express shipping options. 4. **Q: Can you offer door-to-door service?** A: Yes, we have extensive experience with door-to-door delivery and offer competitive pricing. 5. **Q: Which certificates do you provide?** A: We provide ISO, ROHS, and CE certifications.
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Tuopu Industry(Jiangsu) Co., Ltd. , https://www.tuopu-industry.com