What is the shelf life of the pigment?

The product has a shelf life of one year when stored under proper conditions.

What are the packaging specifications?

It is packed in 25kg plastic woven bags lined with polythene bags, with 25MT per 20ft container.

What is the difference between B301 and B311 grades?

B311 has a minimum zinc sulfide content of 30.0%, while B301 has a minimum of 28.0%.

White Powder Pigment Lithopone 28%-30% for Paint and Coating

Name: White Powder Pigment Lithopone 28%-30% for Paint and Coating
Brand: Zhengzhou Kelai Chemical Co., Ltd.
SKU: 764319982

Henan, ChinaZhengzhou Kelai Chemical Co., Ltd.

US$750.00

5-19 Tons

US$700.00

20-49 Tons

US$680.00

50+ Tons

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

CAS No.

1345-05-7

Formula

Znsbaso4

Model NO.

b311 b301

EINECS

215-715-5

Color

White

Appearance

Powder

Main Raw Material

Inorganic Pigment

Level

Finish Coat

Method

Roller

Certification

ISO,SGS, BV Certificate

Substrate

Building,Rubber,Plastic,Leather

Components

Pigment

Formation Mechanism

Conversion Type

Expiration Date

1 Year

Product Name

Lithopone

Other Name

C.I. 77115

Grade

Tech Grade

Element

Polyatomic Acid

Quality

First Class

Model No.

B301 B311

Application

Paint, Coating, Rubber, Watercolor, Paper, Enamel,

Storage

Cool and Dry Place

Style

Inorganic Pigment

Shelf Life

One Year

Total Zinc and Barium Sulphate, %

99.0 Min

Zinc Sulfide Content %

30.0 Min

Zinc Oxide Content, %

0.3 Max

Tinter Reducing Power,

105 Min

105°C Volatile Matter %

0.3 Max

Transport Package

25kg PP Bag or Kraft Paper Bag

Specification

B301 B311

Trademark

KELAI

Origin

China

HS Code

320642

Production Capacity

50, 000 Ton/ Year

Key features

High Whiteness and Hiding Power: Superior whiteness and strong hiding power compared to zinc oxide, lead oxide, and titanium dioxide.

Versatile Industrial Applications: Suitable for coatings, printing ink, rubber, plastic, paper, leather, and cosmetics industries.

High Purity Composition: Contains 99.0% minimum total zinc and barium sulphate with controlled zinc oxide content.

Safety and Non-Toxicity: Safe, nontoxic, and harmless white powder suitable for various consumer and industrial uses.

Multiple Certification Standards: Certified by ISO, SGS, and BV standards ensuring quality and reliability.

Stable Chemical Properties: Low volatile matter (0.3% max) and controlled water solubility for consistent performance.

Flexible Packaging Options: Available in 25kg plastic woven bags lined with polythene for safe transport.

Long Shelf Life: One year shelf life when stored in a cool, dry place away from moisture.

Company profile

Zhengzhou Kelai Chemical Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-01-21Average Response Time: ≤2.64hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryZhengzhou Kelai Chemical Co., Ltd. is identified as a trading company headquartered in Zhengzhou, Henan, with permitted import and export activities. The provided information describes fine-chemical R&D, production, operations, and exports to more than 68 countries, although other records characterize the entity as a chemical-products trading business. It reports ISO 9001 and ISO 14001 certifications, OEM/ODM availability, recent new-product activity, and multiple customization options. Service logistics include warehousing, contract-carrier transportation, and stated lead times within 15 working days in both peak and off-season periods. However, it has no overseas showroom, agents, branches, or offline trade-show participation, and no SDK is available. Financial records are indicated for 2023–2025, but no substantive financial-performance evidence is provided. Supplier-management procedures are not documented, and customer evidence is limited to general claims of OEM service for known brands and exports...

Supplier typeThe supplier is explicitly classified as a trading company, with permitted import/export activities and a Zhengzhou, Henan location. Its background description also states involvement in fine-chemical R&D, production, and operations, so the available records present both trading and product-related capabilities.

CertificationsThe supplier reports holding ISO 14001 and ISO 9001 certifications. These are explicit certifications relevant to environmental and quality management systems.

After-Sales capabilityService support includes warehousing, contract-carrier transportation, and stated lead times within 15 working days in both peak and off-season periods. However, the supplier reports no overseas showroom, agents, branches, or offline trade-show participation, and offers overseas services in zero countries; therefore, after-sales coverage is not demonstrated as strong, particularly internationally.

R&D capabilityThe supplier reports R&D capability, at least one new product during the past year, and ODM services; its company background describes fine-chemical R&D. However, it explicitly has no available SDK, so innovation support is evidenced for product development but not for SDK-based integration.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, minor customization, flexible customization, and customization from designs. It also reports ODM availability, providing direct evidence of broad customization support.