About Us
Expertise in Optical Materials
OHKTrade Co., Ltd. is a specialized Japanese supplier of high-purity CaF₂ (Fluorite) primarily for optical applications. We prioritize stable quality and consistent delivery, maintaining supply partnerships with major Japanese optical lens manufacturers for over 30 years.
From material selection and pre-treatment to final inspection, we manage all processes under Japanese quality standards to propose the ideal CaF₂ raw materials for our customers' specifications.
Company Profile
- Company Name: OHKTrade Co., Ltd.
- Location: Japan
- Business: Procurement, pre-treatment, and sale of high-purity CaF₂
- Applications: Optical lenses, crystal growth, optical components
*To maintain confidentiality, specific client names and detailed technical data are not published. Information is provided individually upon inquiry.
Product Information
*Note: We do not currently supply powdered CaF₂. We specialize in raw materials in lump or crushed form for optical use.
CaF₂ Raw Materials (Lumps / Crushed)
We supply high-purity CaF₂ suitable for optical lens materials and crystal growth. Our processing includes crushing, grain size adjustment, acid washing, rinsing, and drying to ensure the material meets optical grade requirements.
- Forms: Lumps, crushed pieces, etc.
- Grain Size: Generally 15mm or less
- Applications: Crystal growth, optical component manufacturing, R&D
Please contact us individually for detailed specifications regarding impurity levels and appearance. We propose the most suitable material based on your specific manufacturing processes.
Supply Chain & Policies
Capacity and Lot Size
Our current supply capacity for CaF₂ raw material is approximately up to 20 tons per year.
- Consultation for annual contracts and scheduled shipments
- Small lot supply for evaluation and testing
- Coordination of specifications during the R&D phase
Information Disclosure Policy
Our policy is based on individual disclosure rooted in a relationship of trust with our business partners.
- Provision of analytical data during the transaction review stage
- Technical info disclosure after signing a Non-Disclosure Agreement (NDA)
- Strict management of supplier information
Contact Us
Direct Contact
Company: OHKTrade Co., Ltd.
*Your inquiry is processed directly on our secure server. For inquiries regarding specifications, sample availability, or supply conditions, please use this form or email us directly. Please include your intended application, required quantity, and desired delivery date for a smoother response.
Privacy Policy
OHKTrade Co., Ltd. is committed to the appropriate management and protection of personal information obtained through inquiries.
1. Purpose of Use
Information is used to respond to inquiries, propose products/services, and process transactions.
2. Third-Party Disclosure
We do not provide personal information to third parties without consent, except as required by law.
3. Security Management
We implement appropriate safety measures to prevent unauthorized access, loss, or leakage of information.