How should the flask be cleaned?

Clean with dilute acid, clean water, or a brush. Avoid sudden cooling or heating to prevent breakage.

What is the after-sales service policy?

We provide 24-hour after-sales service to support your laboratory needs.

Premium 3.3 High Borosilicate Flat Bottom Flask for Accurate Heating

Name: Premium 3.3 High Borosilicate Flat Bottom Flask for Accurate Heating
Brand: MSD (Tianjin) Glass Supply Co., Ltd.
SKU: 1993581031

Tianjin, ChinaMSD (Tianjin) Glass Supply Co., Ltd.

US$0.30

2,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24hours

Warranty

3years

Model NO.

Flat Bottom Flask

Disposable

Non-Disposable

Certification

ISO

Capacity

50ml,100ml,150ml,250ml,400ml,500ml,1000ml Custom

Type

Flat-Bottomed Flask

Product Type

Flat Bottom Heating Flask

Core Material

3.3 High Borosilicate Glass

Capacity Range

10ml-1000ml Full Specification

Graduation Feature

with Accurate Volume Scale

Body Design

Flat Bottom Stable Placement Design

Neck Design

Standard Wide Mouth for Easy Filling

Heat Resistance

High Temperature Resistant up to 500℃

Application Scenario

Laboratory Heating, Chemistry Experiment, Educatio

Certification Standard

ISO 9001 / CE Certified (Optional)

Customization Service

OEM/ODM Custom Size/Logo Supported

Transport Package

Cartons/Pallets

Specification

Single Unit Pack

Trademark

MSD /Customized

Origin

China

HS Code

7010909000

Production Capacity

720000PCS/Year

Key features

Premium 3.3 Borosilicate Glass: Lead-free material with low expansion coefficient and excellent thermal shock resistance.

Flat Bottom Stability: Flat bottom design ensures stable placement, preventing tipping during shaking and mixing.

Accurate Graduation Scales: Permanent white enamel graduations provide clear, durable, and accurate volume readings.

Chemical Resistance: Resistant to acids, alkalis, and organic solvents, suitable for diverse chemical experiments.

Customizable Capacities: Available in 50ml to 1000ml sizes with full customization options for specific needs.

Versatile Application: Ideal for heating, titration, mixing, culture preparation, and educational laboratory teaching.

ISO Certified Quality: Compliant with ISO 3819 / DIN 12331 standards, ensuring professional-grade laboratory quality.

Company profile

Fast DeliveryQuality AssuranceStandardized quality controlProduct Certification

MSD (Tianjin) Glass Supply Co., Ltd.

Tianjin, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2026-01-01Nearest Port: tianjinAverage Response Time: ≤2.19h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, ODM capability, recent new-product activity, inventory capacity, and OEM service for well-known brands. Finished-product inspection instructions are reportedly implemented uniformly, and quality assurance is stated. However, the supplier lacks overseas agents, branches, warehouses, showrooms, offline trade-show participation, and documented complaint or corrective-action procedures. Manufacturing capacity is also supported by no valid contract with related subcontractors. Financial information is reported only as zero values, which does not establish financial credibility. Certification details are insufficiently specific, and customer-case evidence is limited to OEM service for well-known brands, with no Fortune 500 cooperation reported.

Supplier typeThe supplier provides OEM and ODM services, supports customization from samples and designs through full or minor customization, maintains inventory capacity, and exports partly through agents. It has no overseas branches, agents, warehouses, or showrooms, indicating a primarily domestic or centrally managed export-oriented supplier rather than an internationally established service network.

After-Sales capabilityThe supplier lacks overseas agents or branches, overseas warehouses, and overseas showrooms, and offers services in zero listed countries. It also has no written procedures or records for complaint handling or corrective and preventive actions, providing explicit weaknesses in formal after-sales infrastructure.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has one R&D engineer. It does not have an available SDK, but the evidence still explicitly supports active product development and design capability.

Production capacityThe supplier has inventory capacity, uses written instructions that are uniformly followed for finished-product inspection, and states that quality assurance exists. However, there is no valid contract governing manufacturing capacity between the factory and related subcontractors, which is an explicit production-management deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting broad customization capability.

Client casesThe supplier reports OEM service for well-known brands, which is direct evidence of at least one notable customer-service type. However, it reports no cooperation with Fortune 500 companies, and no customer names, case details, or broader reference portfolio are provided.