Isostatic Graphite Sintering Boxes 1800° C Low Ash (<50ppm) CVD Coating & Metal Heat Treat

• Customization: Available
• Carbon Content: High-Carbon
• Composition: SiC
• Model NO.: YXCB
• Crystal Morphology: Aphanitic Graphite
• Forming Way: Isostatic Graphite
• Grade: Industrial Grade
• Type: Graphite Box
• Density: 1.75-1.85
• Ash: <50 Ppm
• Cte: 4.0-5.5
• Porosity: 5-15%
• Compressive Strength: 80-150 MPa
• Flexural Strength: 35-70 MPa
• Thermal Conductivity: 80-120
• Transport Package: Wooden Box
• Specification: Customizable
• Trademark: YINXUAN
• Origin: Shandong Province, China
• HS Code: 68151000
• Production Capacity: 50000

Product Description

Work With Yinxuan

Price
We produce graphite products from raw materials with vertical integration, cutting costs. Cost - effective solutions for customers' graphite needs.
Shipping
Normally 7 - 20 days after order confirmation. For urgent orders, we try the best to meet customers' request.
Post - shipment: logistics status updated in time.
Quality Control
Triple inspection covering raw materials, processing stage, and finished products. An inspection report is available for each batch of product.
After-Sale Service
Facing inevitable quality issues in manufacturing, we neither evaded nor shifted blame. Instead, we worked closely with customers to find root causes and solutions. If at fault, we took full responsibility, promptly offering free replacements.

Product Description

High-Purity Isostatic Graphite Sintering Boxes

Withstand 1800°C in vacuum/CVD environments. <50ppm ultra-low ash prevents semiconductor contamination. Optimized for:
 * Crystal growth & diffusion furnaces
 * Metal heat treatment fixtures
 * Sapphire substrate coating
 3x longer lifespan vs. standard graphite. ISO 9001-certified batch traceability.

Specification

TYPE	MAX Grain Size μm	Bulk Density g/cc	Specific Resistivity μΩ·m	Flexural Strength Mpa	Compressive Strength Mpa	Shore Hardness	C.T.E (100-600℃) ×10-6℃	Ash %
MY-I	45	≥1.70	≤13.0	≥25.0	≥50.0	/	≤2.8	≤0.1
MY-II	45	≥1.78	≤12.0	≥30.0	≥60.0	/	≤3.2	≤0.1
MY-III	45	≥1.83	≤10.0	≥38.0	≥80.0	/	≤3.5	≤0.1
MY-IV	45	≥1.88	≤9.0	≥42.0	≥90.0	/	≤3.8	≤0.07
YXDJY-C1	22	≥1.78	≤10.0	≥38.0	≥70.0	≥42.0	≤3.9	≤0.07(Normal) ≤0.005(Purified)
YXDJY-C2	22	≥1.80	≤15.0	≥37.0	≥78.0	≥50.0	≤4.0	≤0.07(Normal) ≤0.005(Purified)
YXDJY-Y3	22	≥1.83	≤13.0	≥40.0	≥80.0	≥50.0	≤3.9	≤0.07(Normal) ≤0.005(Purified)
YXDJY-W5	22	≥1.85	≤12.0	≥45.0	≥90.0.	≥58.0	≤4.3	≤0.07(Normal) ≤0.005(Purified)
YXDJY-Q	10	≥1.85	≤14.0	≥50.0	≥105.0	≥60.0	≤4.1	≤0.07(Normal) ≤0.005(Purified)
YXDJY-B	10	≥1.88	≤14.0	≥58.0	≥129.0	≥65.0	≤4.0	≤0.07(Normal) ≤0.005(Purified)
YXEDM-1	18	≥1.80	≤15.0	≥37.0	≥80.0	≥55.0	≤4.2	≤0.07
YXEDM-2	18	≥1.85	≤14.0	≥40.0	≥86.0	≥60.0	≤4.5	≤0.07
YXEDM-3	10	≥1.80	≤15.0	≥45.0	≥90.0	≥65.0	≤4.8	≤0.07
YXEDM-4	7	≥1.85	≤15.0	≥48.0	≥98.0	≥65.0	≤5.0	≤0.07

Company Profile

Certifications

Packing & Delivery

Packing Details

1. Products are packed in plywood cases with 15mm min thickness boards.

2. Each piece of graphite products is separated by 10~15mm thickness foam to avoid touch and abrasion.

3. Tightly packed to avoid graphite products moving during transportation.

4. Custom packages are also acceptable at request.

FAQ

Q1: What's Yinxuan's Core Expertise?
A1: Yinxuan delivers end-to-end graphite solutions with 3 competitive advantages:
1. Vertical Manufacturing Capability
From raw graphite material production to precision machining and additional treatments, we control every process under ISO 9001:2015 standards.
2. Performance Enhancement Technology including anti-oxidation treatment, pyrolytic carbon coating and purification treatment. 
3. Service-Oriented Operation
Dedicated project managers oversee quality control, customized packaging, and door-to-door logistics coordination to ensure 98% on-time delivery rate at least.
 
Q2: Are you a Manufacturer or Trading Company?
A2: As an ISO-certified manufacturer since 2008,
* Operate 12,000M2 production facilities with 60+ technical staff
* Annual capacity: 15, 000+ metric tons graphite material & 2,500+ metric tons of precision graphite components
* Serve global clients in various industries like foundry, energy storing, EDM, semiconductor, photovoltaic, and aerospace industries etc.
 
Q3: How to Get a Quotation Within 24 Hours?
A3: Accelerate your request via 3 steps:
1. Share technical drawings
2. Specify requirements:
* Material grade or technical characteristics
 * Application (if possible)
 
Q4: What's Your Production Lead Time?
A4: Flexible scheduling ensures:
* Standard orders: 10-15 working days
* Rush service: 5-7 working days 
* Emergency orders: Prioritized production with real-time progress updates
 
Q5: How Do You Guarantee Product Quality?
A5: 4-Layer Quality Assurance System: 
* Raw material: inspect before production 
* Processing: Real time monitoring:
*Final Inspection: 6-parameter lab testing with traceable reports
All shipments include:
* Material certification
* Dimensional inspection report