Product Info

🌟 Key Takeaways
- The lifespan of a Carbon Filter depends on VOC load, paint mist volume, and rising pressure drop.
- Filters with 1300 g/m² Dust Holding Capacity (ASHRAE) withstand clogging better than general models.
- Replacement cycles can be monitored through the pressure drop curve, e.g., 59 Pa → 160 Pa.
- High VOC + heavy overspray can shorten filter life by 2–3 times.
- Models with an anti-clogging pre-filter, such as TS3000, significantly extend service life.

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🔶 Why Filters Clog Faster Than Expected
Filters do not clog because time passes—they clog because VOC and mist accumulate on the media each production shift.
If the line uses high-VOC paints, runs multiple shifts, or processes large parts with high overspray, filters will clog far earlier than their nominal rating.

Key impacts include:
- Unstable booth pressure
- Uneven airflow
- Surface defects (Dust, Orange Peel, Flow Mark)
- Higher fan energy consumption

🔶 Why VOC Load Directly Affects Filter Life
VOCs such as toluene, xylene, and MEK are absorbed into the pores of activated carbon.
Once these pores approach saturation, adsorption efficiency declines and pressure drop rises rapidly.

Data from the Carbon Filter Series confirms that coconut-fiber activated carbon reduces VOCs by 80–90%, but without a pre-filter, paint mist clogs the pores 20–40% faster.


🔶 How to Calculate Filter Replacement Cycles (Filter Lifecycle Model)
Use these 3 variables for engineering-based estimation:

1) VOC Load (g/hr)
VOC Load ≈ Paint usage × VOC ratio × Overspray volume

2) Dust Holding Capacity (1300 g/m²)
Higher DHC = slower clogging

3) Pressure Drop Curve (59 Pa → 160 Pa)
- Initial: 59 Pa
- Final: 160 Pa = recommended replacement point

Simplified Formula
Filter Lifetime (hours) = DHC ÷ (VOC Load + Paint Mist Load)

Then verify whether pressure drop approaches 150–160 Pa.
If it does, replacement should be performed immediately to prevent booth pressure instability.

🔶 TS3000 Carbon Filter — Technical Benchmarks
- ASHRAE Efficiency: ≥ 85%
- Dust Holding Capacity: 1300 g/m²
- Initial Pressure Drop: 59 Pa
- Final Pressure Drop: 160 Pa
- VOC Reduction: 80–90% (Coconut Carbon)

🔶 Why Some Paint Lines Clog Within 1–2 Weeks
Actual case from an automotive plant:
- High-solvent coating
- Large-part overspray
- 3-shift continuous operation
- No pre-filter installed

Result:
Filter clogged in 7–10 days, despite being ASHRAE 85%.
After switching to a model with an anti-clogging pre-filter, lifespan extended to 3–4 weeks, and booth pressure stabilized significantly.

🔶 Risks of Not Calculating Filter Cycles Properly
- Unstable booth pressure → more surface defects
- Higher VOC leakage risk
- Increased fan power
- Higher NG (reject) rate

Evaluating replacement cycles based on VOC load is essential for paint-quality stability and cost control.

📘 Summary
Filter lifespan is determined by VOC load, paint mist load, and pressure drop—not by hours of operation.
Filters with proper pre-filtration and high DHC maintain booth pressure better, reduce clogging, extend lifespan, and lower NG rates.
Engineering-based lifecycle calculation is crucial for optimizing exhaust system performance and environmental compliance.

📥 Download Catalogue
Need full specifications and detailed information about Carbon Filters?
Click to download the Product Catalogue to support your filter selection or system design.

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❓ FAQ
Q1: Why do some filters clog unusually fast?
Because the VOC load is high, overspray is excessive, or the system lacks a pre-filter to block paint mist.

Q2: Is replacement based on operating hours?
Not exactly. It must be based on VOC load and pressure drop behavior relative to 59–160 Pa.

Q3: How can we tell when a filter is nearly clogged?
When pressure drop rises to 150–160 Pa or noticeable VOC odor begins to escape through the exhaust.

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🔗 Cluster Internal Link
Core Content: https://prime.nc-net.com/100377/en/product_others/detail_goods/27576
Basic Knowledge: https://prime.nc-net.com/100377/th/product_others/detail_goods/27596

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📚 Glossary
- VOC Load: VOC volume impacting the filter per hour
- Dust Holding Capacity (DHC): Filter capacity to retain dust
- Pressure Drop: Airflow resistance across a filter
- Activated Carbon: VOC-absorbing media inside carbon filters
- Pre-filter: Layer protecting the carbon media from mist buildup
- Overspray: Excess paint mist entering the exhaust system

📖 Reference
- Carbon Filter Series – Product Catalogue
- TS3000 – Technical Data Sheet

🤝 Trust
Reviewed by Yuki Okuno – Project Leader, TS COATING (THAILAND) CO., LTD.
Based on internal documentation:
- Carbon Filter Series
- TS3000

🔖 Hashtags
#VOCLoad #FilterLifecycle #CarbonFilter #DustHoldingCapacity #PressureDrop #PaintBooth #CoatingQuality #ExhaustSystem #IndustrialAirfiltration #TS3000

Updated: 2025-11-27