Genuine productsFactory-direct, or 10x refund
Qualitative Filter Paper, Fast/Medium/Slow
Brand：Huake ｜ SKU：JX-998403
Request quoteMember price from ¥0.12 (log in) · Factory-direct · OEM/ODM & volume pricing
Size / capacity
快速5*5cm（一张）中速5*5cm（一张）慢速5*5cm（一张）快速10*10cm（一张）中速10*10cm（一张）慢速10*10cm（一张）快速20*20cm（一张）中速20*20cm（一张）慢速20*20cm（一张）快速30*30cm（一张）中速30*30cm（一张）慢速30*30cm（一张）快速40*40cm（一张）中速40*40cm（一张）慢速40*40cm（一张）快速50*50cm（一张）中速50*50cm（一张）慢速50*50cm（一张）快速60*60cm（一张）中速60*60cm（一张）慢速60*60cm（一张）
✓Ships from Shanghai stock✓Shock-proof packing · breakage replacement✓Official invoice✓Volume pricing / net terms
Specifications
| Brand | Huake |
|---|---|
| Material | General lab material |
| Options | 21 variants |
Product Details
Key Features
- Fast/medium/slow speeds matched to precipitate size
- Round, square and sheet formats for flexible cutting
- Uniform paper for stable flow
Applications
- Precipitate separation and washing
- Routine qualitative analysis and teaching
- Sheets cut for industrial filtration
Usage Tips
- Slow speed for fine precipitates
- Quarter-fold to seat paper against the funnel
- Qualitative paper has higher ash — not for gravimetry
Selection Guide
- Medium speed for routine; slow for colloids
Purchase protection
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Fast dispatchFrom Shanghai Songjiang warehouse
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Breakage coverFree replacement within 48h
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Proper invoiceVAT invoice available
FAQ
Which qualitative filter paper speed to choose?
Fast for coarse/low-viscosity suspensions, medium for general use, slow for fine precipitates — the finer the precipitate, the slower the paper.
Is this in stock? How fast do you ship?
Yes, usually in stock. Orders placed on workdays (8:30-17:30 GMT+8) ship within 48 hours from our Shanghai warehouse; for bulk orders please confirm stock and lead time with us first.
Do you provide invoices (fapiao) and accept bank transfer?
Yes. We issue regular and special VAT invoices and accept corporate bank transfer; leave your invoice details in the order note.