Import Dlc Ar 3-12um Coated Germanium Window — Buy in wholesale FOB from Supplier in China
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The Dlc Ar 3-12um Coated Germanium Window is an infrared-transmitting optical component fabricated from high-purity germanium, with a diamond-like carbon and anti-reflection coating optimized for the 3 to 12 micrometer wavelength band. It is manufactured to a surface quality of 10-5 scratch-dig, with surface flatness of λ/2 at 632.8 nm, and parallelism of 10 arcseconds. The coating is designed for durability in high-humidity and thermal cycling environments.
Germanium is the standard substrate for thermal imaging applications due to its high refractive index and transmission in the mid-wave to long-wave IR spectrum. The DLC coating enhances scratch resistance and environmental stability, while the AR layer reduces reflectance to less than 1.5% per surface. Typical thickness ranges from 1.0 mm to 10.0 mm, with diameters customizable from 5 mm to 250 mm. The material is free of inclusions and bubbles, with a transmission efficiency exceeding 90% across the 3 - 12 μm band.
This component is primarily used in military thermal sights, industrial gas analyzers, and infrared spectroscopy systems. Buyers include defense contractors, laser equipment manufacturers, and research laboratories requiring precise thermal detection. Packaging is in nitrogen-purged, anti-static containers with foam inserts. Trade terms include FOB Changchun, with lead times of 4 to 6 weeks. Export documentation includes material certification and coating performance data.
| Material | High-purity germanium (99.999% purity) |
| Coating Type | Diamond-like carbon (DLC) with AR layer |
| Transmission Range | 3 to 12 micrometers |
| Surface Quality | 10-5 scratch-dig |
| Surface Flatness | λ/2 at 632.8 nm |
| Parallelism | 10 arcseconds |
| Reflectance (per surface) | Less than 1.5% in 3 - 12 μm band |
| Typical Thickness Range | 1.0 mm to 10.0 mm |
| Diameter Range | 5 mm to 250 mm |
| Transmission Efficiency | Greater than 90% across 3 - 12 μm |
Changchun Positive Optics Co., Ltd. is a manufacturer located in Changchun, Jilin Province, with a registered address at No.218, Yuandadajie. The company specializes in precision optical components for infrared and laser applications. The listing confirms no publicly disclosed certifications, workforce size, or client references. Trust tier is classified as harbor, indicating basic legal registration and address verification. No claims are made regarding ISO compliance, R&D capacity, or export volume.
The supplier does not state years of operation, production capacity, or internal testing protocols. Buyers should assume no automated inspection systems are in place unless confirmed by sample testing. All technical specifications must be validated through independent optical measurement. The supplier’s profile indicates manufacturing capability but provides no evidence of traceability for germanium sourcing or coating process control.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Sourcing Dlc Ar 3-12um Coated Germanium Window from Changchun Positive Optics Co., Ltd. - China Import Guide
Before ordering, verify the germanium purity and coating specification with a material certificate and spectral transmission data. Request a surface inspection report showing scratch-dig count under 10x magnification. Confirm that the window is free of internal stress using a polariscope. Do not accept generic compliance statements without raw data from the manufacturer.
Confirm lead time with the supplier, as optical polishing and coating processes are batch-dependent. Standard terms are FOB Changchun, with payment via 50% advance and 50% against inspection report. Incoterms must be specified in writing. Packaging must include sealed desiccant bags and shock-absorbing foam. Export documentation must include a material origin declaration and coating process traceability log.
Arrange a pre-shipment inspection focused on transmission uniformity, coating adhesion, and surface defects. Use a Fourier-transform infrared spectrometer to validate the 3 - 12 μm transmission curve. Test 10% of units for thermal shock resistance. Retain one sample for future performance comparison. Ensure each unit is labeled with a batch ID matching the test reports.
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30 suppliersBuy Dlc Ar 3-12um Coated Germ in Bulk — Verified Supplier in China
When sourcing Dlc Ar 3-12um Coated Germanium Window for your business, securing the right balance of quality and cost is essential. Changchun Positive Optics Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1.99/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Optical Lenses sector with strong demand from importing countries worldwide.
Dlc Ar 3-12um Coated Germ Specifications, Trade Terms & Pricing
Importing Dlc Ar 3-12um Coated Germ requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changchun Positive Optics Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About Changchun Positive Optics Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Dlc Ar 3-12um Coated Germ has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Optical Lenses category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Dlc Ar 3-12um Coated Germ — Shipping, Logistics & Customs
Importing Dlc Ar 3-12um Coated Germ requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Dlc Ar 3-12um Coated Germ
What is the wholesale price of Dlc Ar 3-12um Coated Germanium Window?
The current listed wholesale price for Dlc Ar 3-12um Coated Germanium Window from Changchun Positive Optics Co., Ltd. is $1.99/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Changchun Positive Optics Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Dlc Ar 3-12um Coated Germ?
The supplier, Changchun Positive Optics Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Dlc Ar 3-12um Coated Germ. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Dlc Ar 3-12um Coated Germanium Window?
The HS Code classification for Dlc Ar 3-12um Coated Germanium Window depends on the specific grade and form. Contact Changchun Positive Optics Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Dlc Ar 3-12um Coated Germ from China?
To import Dlc Ar 3-12um Coated Germ from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Positive Optics Co., Ltd.. Ensure you have the necessary import licenses for Optical Lenses products in your destination country.
Is Changchun Positive Optics Co., Ltd. a verified supplier?
Yes, Changchun Positive Optics Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Dlc Ar 3-12um Coated Germanium Window?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Changchun Positive Optics Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Dlc Ar 3-12um Coated Germ?
Changchun Positive Optics Co., Ltd. offers Dlc Ar 3-12um Coated Germ with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Dlc Ar 3-12um Coated Germ the most?
Dlc Ar 3-12um Coated Germ is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changchun Positive Optics Co., Ltd. through our platform.
What certifications does this Dlc Ar 3-12um Coated Germ supplier hold?
Changchun Positive Optics Co., Ltd. maintains international quality certifications. These ensure that the Dlc Ar 3-12um Coated Germ meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Dlc Ar 3-12um Coated Germanium Window on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changchun Positive Optics Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Changchun Positive Optics Co., Ltd..
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