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Qinghuatongfang Optical Disc, Archive-Grade Disc, DVD-R, 4.7GB Archive-Grade DVD Disc, Recordable Disc, Office Supplies, Qinghuatongfang, 4.7GB Disc, Single Disc in Box Packaging

Qinghuatongfang Optical Disc, Archive-Grade Disc, DVD-R, 4.7GB Archive-Grade DVD Disc, Recordable Disc, Office Supplies, Qinghuatongfang, 4.7GB Disc, Single Disc in Box Packaging

SKU : 100029153100

Availability : In stock

4.7

Weight : 0.06 kg

Length : 14 cm

Height : 0.8 cm

GHS 46.05

GHS 49.73

Order now and get it less than 12-18 days

Pickup from our office at up to 0.00 delivery fee.

GHS 46.05

GHS 49.73

Order now and get it by 12-18 days

Pickup from our office at up to 0.00 delivery fee.

Product Description

**Product Specifications:**

**Brand:** Tsinghua Tongfang

**Product Name:** Archival Grade DVD Discs

**Product Type:** Recordable DVD-R Discs

**Capacity:** 4.7GB

**Packaging:** Single Disc Jewel Case

**Features:**

- Archival grade for long-term data storage

- High durability and safety

- Environmentally friendly

- Compliant with archival standards DA/T38-2021

- Virus protection and tamper-proof

- Shelf life exceeding 20 years

- Stable manufacturing process and quality control

**Printing Options:**

- Original label discs

- Printable discs with white surface for use with disc printers

**Technical Requirements:**

- TE (Tracking Error) before recording: <0.45nm

- FE (Focus Error) before recording: <0.50nm

- BLER (Block Error Rate) after recording: <50 frames per second, E32=0

- Symmetry (SYM) after recording: -0.15 to 0.10

- Jitter after recording: JP<35ns, JL<35ns

**Maintenance:**

- Store in cool, dry place away from direct sunlight

- Avoid exposure to high temperatures, humidity, and dust

- Handle with care to prevent scratches

**Standards Compliance:**

- GB/T2828.1-2012, GB/T18894-2016, GB/T33662-2017

- DA/T38-2021 for archival recordable discs

**Quality Control:**

- Rigorous quality testing before product release

- Compliance with industry standards for quality parameters

**Data Migration:**

- Establish regular monitoring and data migration system

- Implement data transfer when disc performance reaches predefined warning levels

**Appendices:**

- Appendix A: Wet Heat Test for Archival Recordable Discs

- Appendix C: Optical System Testing for CD-R, DVD-R, DVD+R

**Release Date:** May 26, 2021

**Implementation Date:** October 1, 2021

These archival grade DVD discs from Tsinghua Tongfang are designed for long-term data storage, offering high durability, environmental safety, and compliance with stringent archival standards. With advanced technical specifications and quality control measures, these discs provide a reliable solution for secure data archiving.Product Specifications:

Brand: Tsinghua Tongfang

Type: Archival Grade DVD

Model: KXDVD-R

规格	DVD-R
容量	4.7G
级别	档案级
产品包装	单片盒装
执行标准	DA/T38-2021
保存期限	归档寿命20年以上
品质检测	附带光盘保护技术联合实验检测报告
产品监制	光盘保护技术联合实验室
应用领域	档案、政企、司法、广电、航空、交通、电力、通信、能源、金融、影像等行业进行数据存储、备份、传递及日常归档等应用需求。