What is your after-sales service like?

At Beijing Entrepreneur Science & Trading Co., Ltd., we prioritize fostering long-term relationships with all our customers. For every order, we ensure transparency and commitment by signing a legally binding sales contract. Should you have any doubts or concerns regarding our products or services, please do not hesitate to contact us. Your satisfaction and trust are our top priorities.

Can I use my own label or packaging?

Absolutely. If required, we can use labels or packaging according to your specifications and preferences. Your branding and packaging needs are important to us, and we'll ensure they are met to your satisfaction.

Fumed Alumina Al2O3 for Charge Adsorption in Meltblown Electret Masterbatch

Name: Fumed Alumina Al2O3 for Charge Adsorption in Meltblown Electret Masterbatch
Brand: Beijing Entrepreneur Science & Trading Co. Ltd.
SKU: 2123461005

Beijing, ChinaBeijing Entrepreneur Science & Trading Co. Ltd.

US$1.00

1 kg

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

CAS No.

1344-28-1

Formula

Al2O3

Model NO.

ALum-80 & ALum-100

EINECS

215-691-6

Classification

Alumina

Grade Standard

Industrial Grade

Kind

Amphoteric Oxide

Quality

First Class

Purity

98% min

Appearance

Mixed

Crystalline Forms

Mixed

Tapped Density (2 hours at 105℃)

50-80 g/dm3

Transport Package

50kg/bag or as per your special request.

Specification

Al2O3

Trademark

Entrepreneur

Origin

China

HS Code

2818200000

Production Capacity

100, 000tons/Year

Key features

Nano Particle Size: Extremely fine nanoscale particles ensuring large surface area and high reactivity.

Excellent Dispersibility: Easily incorporated into liquid and solid systems for uniform distribution.

Thermal Stability: Resistant to high temperatures, suitable for extreme condition applications.

Charge Adsorption: Enhances charge adsorption in meltblown electret masterbatch for filtration.

Custom Packaging: 50kg/bag or customized packaging according to specific customer requests.

Free Samples: Free samples available for evaluation; customer only covers freight charges.

Quality Assurance: Third-party inspections (SGS) and COA/TDS/MSDS documents provided upon request.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Beijing Entrepreneur Science & Trading Co. Ltd.

Beijing, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Tianjin Port Shanghai PortAverage Response Time: ≤0.50h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a Beijing-based company connecting global new-material manufacturers with international customers and serving diverse application areas, including coatings, inks, adhesives, electronic pastes, batteries, 5G communications, and 3D printing. It offers extensive customization, including design-based and full customization, and reports OEM service for well-known brands. Service governance is supported by written procedures and records for supplier assessment, corrective and preventive actions, and complaint handling. However, the supplier reports no new products in the past year, no ODM service, no SDK, only one R&D engineer, no overseas showroom, agents, branches, or offline trade-show participation, and no cooperation with Fortune 500 companies. Certification information is limited: supplier management-system certification is listed as NIL and product compliance certification is recorded as “Others.” Financial data is represented only by years, without sufficient evidence to...

CertificationsProduct compliance certification and sustainable-development/product certification capability are both recorded as “Others,” while supplier management-system certification is explicitly listed as NIL. No specific recognized certification is identified in the provided information, so certification strength cannot be confirmed; the absence of supplier management-system certification is a stated deficiency for that aspect.

After-Sales capabilityThe supplier has written procedures and followed records for corrective and preventive actions, customer complaint handling, supplier-service assessment, and an updated approved-supplier list. It accepts multiple service quotation and payment terms and lists training among overseas service offerings, but has no overseas showroom, overseas agents or branches, offline trade-show participation, or overseas-service countries. The documented service processes support capability, although international service infrastructure is limited.

R&D capabilityThe supplier reports one R&D engineer, one year of total R&D-engineer experience, no new products in the past year, no ODM service, and no available SDK. These explicit indicators show limited demonstrated recent innovation and development resources.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage, although it does not specify technical limits, tooling resources, or delivery performance for customized products.

Product Q&A

Q:Can I request samples?

Yes, absolutely! We offer free samples of specified quantities. You only need to cover the freight charges.

Q:Which documents are provided?

We provide essential documents such as Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and more upon request.

Q:What is your Minimum Order Quantity (MOQ)?

Typically, our MOQ is one standard package. However, we understand the importance of testing before committing to a mass order, so we offer free samples for your evaluation.

Q:How do you ensure the quality of your products?

We prioritize quality assurance through several measures: 1. Expert Staff: Our team comprises professionals with extensive experience in chemical products or related fields. They undergo comprehensive training before providing any quotations. 2. Sample Availability: We offer free samples or pre-shipment samples for new collaborations, ensuring that our commercial products match the specifications provided to customers. 3. Third-Party Inspection: Upon request, we can arrange Third-Party Inspectio

Q:How do I make payments?

Once you receive the Proforma Invoice (PI) along with our product specifications, you can proceed with payment. We accept various payment methods including Telegraphic Transfer (T/T), Letter of Credit (LC), and more.