SUNLU Launches the New FilaDryer SP2, Summary of the Review Article From All3dp

SUNLU, a leading Chinese tech company in 3D printing materials, has launched the FilaDryer SP2, a modular filament dryer designed for scalability and efficiency. Its innovative "one-base, multi-chamber" system allows users to vertically stack up to three drying chambers on a single heating base, expanding capacity without increasing the footprint—ideal for multi-printer setups and print farms.

Key performance highlights include a 30% faster drying time than competitors, reducing PETG filament moisture from 0.6% to 0.2% in 4 hours. The SP2 supports a wide temperature range (35–70°C), accommodating materials from PLA to moisture-sensitive nylons. Each chamber features built-in high-precision humidity sensors for real-time monitoring and spacious storage (two 1 kg rolls or large spools up to 250 mm diameter).

A comparison table underscores its advantages over traditional dryers: modular scalability, native support for small spools, triple-layer safety, and 35% energy savings. The SP2 also excels in long-print scenarios, drying saturated PLA to optimal levels in 4–6 hours at 55°C.

Feature Traditional Dryer FilaDryer SP2
Space Efficiency Fixed single chamber Modular design
Capacity Expansion Requires full new unit Just add more chambers
Humidity Monitoring None or external Built into every chamber
Safety System Single or dual-layer protection Triple-layer protection
Small Spool Fit DIY mods required Native support
Energy Efficiency  Average Optimized with ~35% savings


Founded in 2013, SUNLU emphasizes innovation, holding over 200 intellectual property grants. With 140 production lines and 25 million products sold, the company continues to prioritize quality and technological advancement in 3D printing solutions.

For more details of the original article, please refer to:
SUNLU Releases the New FilaDryer SP2
Author: by SUNLU 
Publishing site: ALL3DP

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