MH-OSB
MINGHUNG
Production Process
1. Log Processing: Pine debarking/cutting → Flaking → Drying (moisture ≤3%).
2. Glue Application & Forming: MDI adhesive spraying → Oriented layering (3-layer cross structure).
3. Hot Pressing: Continuous press (200℃±10℃, high pressure) → Cooling/trimming.
4. Surface Treatment: Sanding → QC → Packaging.
Key Equipment
Equipment | Specification | Function |
Ring Flaker | Capacity ≥30 t/h | Pine strand production |
Rotary Drum Dryer | Hot air ≥300℃ | Strand drying |
MDI Gluing System | Precision ±0.5% | Formaldehyde-free adhesive |
Oriented Forming Line | Layering accuracy ±1mm | 3-layer structure forming |
Continuous Press | Pressure ≥8000t, length ≥30m | High-temp/pressure curing |
Sanding Line | 8-head sander, 0.2–0.5mm cut | Surface finishing |
Advantages
1. Fiber Quality: Long fibers (2–4mm) enhance MOR ≥22MPa (30% above GB standard).
2. Natural Resins: Improves water resistance (TS ≤12% after 24h immersion).
3. Sustainability: Fast growth (15–20 years), abundant FSC-certified supply.
Producing area
The main production areas of global pine wood include the following regions:
1. North America: North America is one of the most important pine tree production areas in the world. Canada and the United States are the main pine wood producers in North America. The pine trees in Canada are widely distributed in British Columbia, Alberta, Ontario and Quebec provinces. The pine wood resources in the United States are mainly located in the western and northeastern regions, such as Oregon, Washington, Michigan, Maine, etc.
2. Europe: The pine tree industry in Europe is also highly developed. Russia is the world's largest producer of pine trees, with the Siberian and Ural regions within its territory being the main production areas. Sweden and Finland are also important pine tree-producing regions in northern Europe, and their pine wood is widely used in construction, furniture, papermaking, and packaging industries.
3. Asia: The pine tree industry in Asia is also highly developed. China is the second-largest producer of pine trees globally, and pine trees are widely cultivated in regions such as Northeast China, Inner Mongolia, and Xinjiang. There are also considerable pine tree farming industries in countries like Japan and South Korea.
4. Oceania: Australia and New Zealand are the main pine tree-producing regions in Oceania. Their climatic conditions are suitable for pine tree growth, and there are extensive pine forests.
5. South America: The pine tree industry in South America is mainly concentrated in countries such as Chile and Argentina.
1. Core Technology: Adhesive Replacement System
MDI Adhesive Specifications
Parameter | Technical Requirement | Scientific Principle |
Purity | ≥98% polymeric MDI | Minimize free isocyanate residue (toxicity control) |
Glue Application | 3.5-4.5% (on dry wood) | Full fiber coverage (<0.1mm) without brittleness |
Reaction Temp | 110-130℃ (pressing) | NCO groups crosslink with cellulose -OH groups (polyurea) |
pH Compatibility | 4.0-8.0 | Optimal for pine's natural pH (5.5-6.2) |
2. Raw Material Pretreatment
2.1 Pine Strand Control
Indicator | Range | Function |
Moisture Content | 2.5-3.0% | Prevents MDI hydrolysis |
Aspect Ratio | ≥8:1 | Enhances MOR (↑18%) |
Bark Content | ≤0.5% | Avoids tannin interference |
2.2 Additives
Hydrophobizer: Paraffin emulsion (0.3-0.5%) → TS≤10%
Flame Retardant: Halogen-free system (APP+PER, 5-7%) → GB 8624 B1
3. Oriented Structure Optimization
3.1 Layering Design
Surface layer: 30-50mm strands (parallel) → Longitudinal strength
Core layer: 15-25mm strands (random) → Transverse stress dispersion
Result: MOE ≥3500 MPa (25%↑ vs standard OSB)
3.2 Hot-Pressing Protocol
Stage | Pressure(MPa) | Temp.(℃) | Time(s/mm) | Function |
Pre-press | 1.5-2.0 | Ambient | 45945 | Initial forming |
Main Press I | 4.0-4.5 | 190-200 | 45879 | MDI penetration |
Main Press II | 3.0-3.5 | 180-190 | 45816 | Complete curing |
Decompression | Graded to 0.5 | 160↓ | 5 | Prevent delamination |
4. Techno-Economic Analysis
1. Cost Structure (vs conventional OSB):
Adhesive cost ↑40% (MDI: ¥18,000/t vs UF: ¥6,000/t)
Energy cost ↓15% (20% shorter pressing)
Total cost ↑25%, but premium pricing 35-50%
2. Productivity:
Continuous press speed: 18-22m/min (9mm board)
100,000 m³/year requires: 330 days × 22h/day × 85% OEE
1. Industry Position: Medium-scale OSB production line (max single-line capacity ≈150,000 m³/year).
2. Economics:
Annual output value ≈¥450 million (price ¥4,500/m³).
Raw material consumption: Pine logs ≈150,000 tons/year (utilization rate 85%).
We provide global installation support and technical training, 2-year machine warranty, and 24-hour online response - let your OSB production enter a new era of intelligence and low carbonization.
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
Production Process
1. Log Processing: Pine debarking/cutting → Flaking → Drying (moisture ≤3%).
2. Glue Application & Forming: MDI adhesive spraying → Oriented layering (3-layer cross structure).
3. Hot Pressing: Continuous press (200℃±10℃, high pressure) → Cooling/trimming.
4. Surface Treatment: Sanding → QC → Packaging.
Key Equipment
Equipment | Specification | Function |
Ring Flaker | Capacity ≥30 t/h | Pine strand production |
Rotary Drum Dryer | Hot air ≥300℃ | Strand drying |
MDI Gluing System | Precision ±0.5% | Formaldehyde-free adhesive |
Oriented Forming Line | Layering accuracy ±1mm | 3-layer structure forming |
Continuous Press | Pressure ≥8000t, length ≥30m | High-temp/pressure curing |
Sanding Line | 8-head sander, 0.2–0.5mm cut | Surface finishing |
Advantages
1. Fiber Quality: Long fibers (2–4mm) enhance MOR ≥22MPa (30% above GB standard).
2. Natural Resins: Improves water resistance (TS ≤12% after 24h immersion).
3. Sustainability: Fast growth (15–20 years), abundant FSC-certified supply.
Producing area
The main production areas of global pine wood include the following regions:
1. North America: North America is one of the most important pine tree production areas in the world. Canada and the United States are the main pine wood producers in North America. The pine trees in Canada are widely distributed in British Columbia, Alberta, Ontario and Quebec provinces. The pine wood resources in the United States are mainly located in the western and northeastern regions, such as Oregon, Washington, Michigan, Maine, etc.
2. Europe: The pine tree industry in Europe is also highly developed. Russia is the world's largest producer of pine trees, with the Siberian and Ural regions within its territory being the main production areas. Sweden and Finland are also important pine tree-producing regions in northern Europe, and their pine wood is widely used in construction, furniture, papermaking, and packaging industries.
3. Asia: The pine tree industry in Asia is also highly developed. China is the second-largest producer of pine trees globally, and pine trees are widely cultivated in regions such as Northeast China, Inner Mongolia, and Xinjiang. There are also considerable pine tree farming industries in countries like Japan and South Korea.
4. Oceania: Australia and New Zealand are the main pine tree-producing regions in Oceania. Their climatic conditions are suitable for pine tree growth, and there are extensive pine forests.
5. South America: The pine tree industry in South America is mainly concentrated in countries such as Chile and Argentina.
1. Core Technology: Adhesive Replacement System
MDI Adhesive Specifications
Parameter | Technical Requirement | Scientific Principle |
Purity | ≥98% polymeric MDI | Minimize free isocyanate residue (toxicity control) |
Glue Application | 3.5-4.5% (on dry wood) | Full fiber coverage (<0.1mm) without brittleness |
Reaction Temp | 110-130℃ (pressing) | NCO groups crosslink with cellulose -OH groups (polyurea) |
pH Compatibility | 4.0-8.0 | Optimal for pine's natural pH (5.5-6.2) |
2. Raw Material Pretreatment
2.1 Pine Strand Control
Indicator | Range | Function |
Moisture Content | 2.5-3.0% | Prevents MDI hydrolysis |
Aspect Ratio | ≥8:1 | Enhances MOR (↑18%) |
Bark Content | ≤0.5% | Avoids tannin interference |
2.2 Additives
Hydrophobizer: Paraffin emulsion (0.3-0.5%) → TS≤10%
Flame Retardant: Halogen-free system (APP+PER, 5-7%) → GB 8624 B1
3. Oriented Structure Optimization
3.1 Layering Design
Surface layer: 30-50mm strands (parallel) → Longitudinal strength
Core layer: 15-25mm strands (random) → Transverse stress dispersion
Result: MOE ≥3500 MPa (25%↑ vs standard OSB)
3.2 Hot-Pressing Protocol
Stage | Pressure(MPa) | Temp.(℃) | Time(s/mm) | Function |
Pre-press | 1.5-2.0 | Ambient | 45945 | Initial forming |
Main Press I | 4.0-4.5 | 190-200 | 45879 | MDI penetration |
Main Press II | 3.0-3.5 | 180-190 | 45816 | Complete curing |
Decompression | Graded to 0.5 | 160↓ | 5 | Prevent delamination |
4. Techno-Economic Analysis
1. Cost Structure (vs conventional OSB):
Adhesive cost ↑40% (MDI: ¥18,000/t vs UF: ¥6,000/t)
Energy cost ↓15% (20% shorter pressing)
Total cost ↑25%, but premium pricing 35-50%
2. Productivity:
Continuous press speed: 18-22m/min (9mm board)
100,000 m³/year requires: 330 days × 22h/day × 85% OEE
1. Industry Position: Medium-scale OSB production line (max single-line capacity ≈150,000 m³/year).
2. Economics:
Annual output value ≈¥450 million (price ¥4,500/m³).
Raw material consumption: Pine logs ≈150,000 tons/year (utilization rate 85%).
We provide global installation support and technical training, 2-year machine warranty, and 24-hour online response - let your OSB production enter a new era of intelligence and low carbonization.
Whatsapp: +8618769900191 +8615589105786 +8618954906501
Email: osbmdfmachinery@gmail.com
