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100PCS/Pack Oil Filter Paper Ashless Qualitative and Quantitative Filter Paper 7cm
US$2.30
50-999 Bags
US$2.20
1,000+ Bags
Sample price:US$3.00/bag.Request sample
Product profile
Customization
AvailableMaterial
Cotton PulpUsage
Liquid Filter, Powder Filter, Solid FilterModel NO.
110416024Thickness
0.91-1.2mmBasic Weight
<100g/m²Corrugation Depth
0.35mmResin Content
10%-15%Type
QualitativeColor
WhiteProduct Name
Quatitative Filter PaperMaterial Type
Cotton FiberProduct Color
Natural WhiteShape
Round Circle Filter PaperDiameter
7cm, 9cm, 11cm, 12.5cm, 15cm, 18cmFiltration Speed
Fast, Medium, Slow Speed AvailableProduct Feature
Ashless After BurnPackage
100 Circles/BoxGeneral Use with
Lab FunnelProduct Advantage
Weak Acid and Alkali ResistProduction Environment
100, 000 Level Purification WorkshopStock
Yes, Stock AvailableMOQ
1 CartonSample Policy
Sample Free of ChargeApplication
Laboratory Sample FiltrationTransport Package
5 Layer Cardboard CartonSpecification
7cm to 18cmTrademark
BKMAMOrigin
Hunan, ChinaHS Code
3926909090Production Capacity
200000PCS/DayKey features
Ashless After Burn: Manufactured to reduce silicon dioxide, calcium oxide, and ferric oxide levels for accurate gravimetric analysis.
Multiple Filtration Speeds: Available in fast (80-120um), medium (30-50um), and slow (1-3um) pore sizes for various applications.
Wide Size Range: Diameter options include 7cm, 9cm, 11cm, 12.5cm, 15cm, and 18cm to fit different lab funnels.
Weak Acid and Alkali Resist: Made from high-quality cotton fiber washed in hydrochloric acid, offering chemical resistance.
ISO 9001 Certified: Produced in a 100,000-level purification workshop with strict quality control and CE certification.
Non-Toxic and Odorless: Safe for laboratory use with no harmful residues or smells after neutralization.
Fast Delivery for Samples: Sample orders and small trial orders are delivered within 48 hours via express shipping.
OEM Service Available: Customized orders are welcome with a production lead time of approximately 2 weeks.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2019-06-08Nearest Port: shanghai, guangzhouAverage Response Time: ≤5.43hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF
AI-Powered supplier vetting
SummaryChangde BKMAM Biotechnology Co., Ltd. is associated with Hunan BKMAM International Trade Co., Ltd. and is described as both a trading company and manufacturer/factory in China. The supplier develops and manufactures laboratory consumables, with production and storage facilities exceeding 42,000 square meters, more than 40 production lines, and a 26,000-square-meter purification workshop. It reports ISO 9001, GMP, CE, and FDA certifications, supported by over 50 R&D personnel, 21–30 quality-control staff, and more than 10 patents. The company provides OEM and ODM services and has independent import-export rights, exports to multiple global regions, and reports lead times within 15 working days in both normal and peak seasons. Evidence confirms production, certification, R&D, customization, and after-sales activities, but does not provide specific customer cases or sufficient information to assess financial credibility.
Supplier typeThe supplier is identified as a biotechnology company specializing in laboratory consumables and is described as both a trading company and manufacturer/factory. Its operations include R&D, manufacturing, sales, and after-sales services, with locations and facilities in Hunan, China.
CertificationsThe supplier reports ISO 9001 and GMP management or production certifications, while its company description also states CE and FDA certification. These certifications directly support formal quality and regulated-product management capabilities.
After-Sales capabilityAfter-sales service is explicitly included among the company’s operations, and the supplier states that it aims to provide high-quality products and services. However, no details are provided on service processes, response times, warranty terms, or service coverage.
R&D capabilityThe supplier reports an R&D team of more than 50 people, cooperation with leading Chinese universities, more than 10 invention and utility model patents, and 11–20 years of total R&D engineer experience. It also states that product innovation and optimization are based on scientific research needs, providing explicit evidence of innovation capability.
Production capacityProduction capability is supported by a 26,000-square-meter purification workshop, production and storage bases exceeding 42,000 square meters in total, more than 40 production lines, and over 10 operating production lines. The supplier reports order fulfillment within 15 working days during both off-peak and peak seasons, indicating substantial stated capacity and scheduling capability.
Customization capabilityThe supplier explicitly states that it can undertake OEM and ODM orders and is classified as both a trading company and manufacturer/factory. This directly supports the ability to provide customized or customer-branded products, although no specific customization examples or technical limits are given.
Product Q&A
Q:Do you provide sample?
A:
Yes, sample available here and sample charge free. Please leave your delivery address and contact information here for sample delivery.
Q:Do you provide OEM service?
A:
Yes, OEM order is welcome.
Q:What is your MOQ?
A:
Most of our products are stock available, so MOQ 1 piece for stock products. And for non stock products, please confirm with us on the MOQ for production.
Q:What is product lead time?
A:
For stock available products, we will send out within 2 work days. For non stock products, delivery time will be 7-20 work days depend on your order quantity and our production arrangement.
Q:What is the delivery method?
A:
Genrally sample or trial order will be send by FeDex, UPS, DHL which takes about 7 days. Mass order will be send by air and by sea according to your requirement.
Send Inquiry
*To:
Hunan BKMAM International Trade Co., Ltd.
Hunan BKMAM International Trade Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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