How should the product be stored?

Keep away from fire and direct sunlight. Store in a dry and well-ventilated place.

What packaging options are available?

The product is available in 200kg iron drums or 1000kg IBC containers.

VF21B Vinyl Terminated polydimethylsiloxane Vinyl Silicone oil for Silicone Rubber

Name: VF21B Vinyl Terminated polydimethylsiloxane Vinyl Silicone oil for Silicone Rubber
Brand: Nanjing Siwin New Material Co., Ltd.
SKU: 2105113475

Jiangsu, ChinaNanjing Siwin New Material Co., Ltd.

Negotiable

1 kg

Sample price:US$10.00/kg.Request sample

Product profile

Customization

Available

CAS No.

67762-94-1

Formula

Model NO.

Siwin-VF21B

Color

Colorless

Appearance

Liquid

Transport Package

Iron Drum or IBC Drum

Specification

1000~4800cst

Trademark

Siwin

Origin

China

HS Code

3910000000

Production Capacity

100000

Key features

Customizable Molecular Weight: Molecular weight ranges from 300 to 300000 based on customer requirements.

Flexible Vinyl Content Ratio: Ratio of molecular weight and vinyl content is flexible and not strictly relative.

High Chemical Reactivity: Branch ends with strong active vinyl groups enable additive and free radical reactions.

Superior Solvent Compatibility: Better compatible with organic solvents compared to standard PDMS for easier usage.

Versatile Application Scope: Used as hardness agent, dilution agent, and modifier for silicone rubber and organic resins.

Long Shelf Life: 36 months shelf life in closed containers; usable beyond expiry if quality check passed.

Multiple Viscosity Options: Available in 1000, 3500, and 4800 cst viscosity grades.

Flexible Packaging: Supplied in 200kg iron drums or 1000kg IBC containers.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamExhibition Experience

Nanjing Siwin New Material Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤3.11h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a broad scope covering specialized chemicals, synthetic materials, sealing products, rubber, coatings, mechanical equipment, and related materials. It holds ISO 9001 and GMP management-system certifications. Evidence indicates active R&D, new product development during the past year, ODM services, and broad customization capabilities. Quality controls include raw-material traceability, written inspection instructions, and random finished-product inspection, but only one quality assurance/control inspector is reported. Service procedures for supplier assessment, corrective and preventive action, and customer complaints are documented and followed. Inventory capability is available, while overseas warehousing and showrooms are not. The records do not establish financial credibility, manufacturing capacity, or specific customer cases.

CertificationsThe supplier reports ISO 9001 and GMP certification for its management systems. These are explicit certifications relevant to quality and regulated operating practices, supporting a positive assessment for this field.

After-Sales capabilityThe supplier has written procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. This directly supports an established after-sales issue-handling process.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and offers R&D capability as part of its supplier offering. However, it has no available SDK, so the evidence supports product-development capability but not SDK-based innovation support.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. These capabilities are reported both in its R&D information and its design-service records, providing direct evidence of broad customization support.