What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the chemical formula and CAS number?

The CAS number is 557-05-1, and the formula is Zn(C18H35O2)2 or C36H70O4Zn.

White Powder Zinc Stearate for SMC/BMC Plastics

Name: White Powder Zinc Stearate for SMC/BMC Plastics
Brand: Union Composites Changzhou Co., Ltd.
SKU: 1952193575

Jiangsu, ChinaUnion Composites Changzhou Co., Ltd.

Negotiable

1,000 kg

Product profile

Customization

Available

CAS No.

557-05-1

Formula

Zn(C18h35o2)2 or C36h70o4zn

Model NO.

AV300

Type

Lubricant

Appearance

Powder

Quality

Industrial

Colour

White

Metal Content

10.4~11.3 Zn%

Free Fatty Acid

<=0.5%

Volatile Content 105℃

<=0.5%

Melting Point

117~125 Centi Grade

Sieving Rate

120 Mesh, 99.5%

Transport Package

Bag

Specification

AV300

Trademark

UNION

Origin

China

HS Code

291570900

Production Capacity

10000ton/Month

Key features

High Purity Raw Material: Uses imported primary stearic acid with high C18 content to prevent precipitation.

Excellent Whiteness: White powder appearance with good whiteness and insolubility in water.

Versatile Applications: Serves as lubricant, release agent, vulcanization activator, and softener.

Precise Sieving Rate: 120 mesh with 99.5% sieving rate for composite materials.

Controlled Oil Absorption: Good oil absorption control ensures it does not affect SMC viscosity.

Certified Quality: Manufactured under ISO9001:2015 management system certification.

Custom OEM/ODM: OEM and ODM services are available for customized requirements.

Fast Lead Time: Off-season lead time within 15 workdays; peak season one month.

Company profile

High Repeat Buyers ChoiceExperienced TeamFast DeliveryCustomization from Samples

Union Composites Changzhou Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 1 YearNearest Port: Shanghai, Ningbo, shengzhengAverage Response Time: ≤0.64hTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier and offers broad customization, ODM, and OEM services. It holds ISO 9001, ISO 14001, and QC 080000 certifications. Reported production capacity includes fiberglass, resin, and SMC/BMC, with peak- and off-season lead times within 15 working days. However, it launched no new products in the past year, does not provide 3D software design or SDK services, and has no overseas showrooms, agents, branches, or offline trade-show participation. After-sales and corrective-action processes lack written procedures or records. Financial information is only indicated by reporting years, without sufficient evidence to assess credibility. Customer cases are not specifically documented.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated business scope covers chemical products, textiles and raw materials, plastics, engineering plastics, synthetic resin, rubber products, instruments, mechanical and electrical equipment, and import/export activities.

CertificationsThe supplier reports holding ISO 9001, ISO 14001, and QC 080000 management-system certifications. These certifications provide explicit evidence of formal quality, environmental, and hazardous-substance-related management systems.

After-Sales capabilityThe supplier lists training as an overseas service offering and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas showroom, agent, branch, or offline trade-show experience, while complaint handling and corrective/preventive action procedures are not documented.

R&D capabilityThe supplier has R&D capability, provides ODM services, and can perform multiple forms of customization. Nevertheless, it launched no new products in the past year, does not provide 3D software design or SDK services, and reports no ERP-based digital management or sustainable-development and technical-transformation plan.

Production capacityReported annual productivity covers fiberglass, resin, and SMC/BMC, and the supplier states that average lead time is within 15 working days in both peak and off-season periods. These statements explicitly support production capability and delivery responsiveness, although the assessment procedure for service capability has no written procedures or records.

Customization capabilityThe supplier explicitly offers customization from designs, customization from samples, full customization, minor customization, and flexible customization. It also provides ODM services and OEM services for popular brands, indicating broad product-development and manufacturing adaptability.

Product Q&A

Q:What is the main usage of Zinc Stearate AV300?

It is mainly used as a lubricant and release agent for styrene resin, phenolic resin, SMC/BMC plastics, and amino resin. It also acts as a vulcanization activator and softener in rubber.

Q:What raw materials are used in production?

We use imported primary stearic acid as raw material, ensuring high C18 content which prevents precipitation and maintains good product whiteness.

Q:Does the product affect the viscosity of SMC?

No, the product features good oil absorption control, ensuring it does not negatively affect the viscosity of SMC materials.

Q:Is OEM or ODM service available?

Yes, both OEM and ODM services are available for customized requirements.

Q:What is the lead time for delivery?

The off-season lead time is within 15 workdays, while the peak season lead time is approximately one month.