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Refined Quicklime 325 Mesh High Whiteness Powder
US$109.00-299.00
20 Tons
Sample price:US$1.00/kg.Request sample
Product profile
Customization
AvailableCAS No.
1305-78-8Formula
CaoEINECS
215-138-9Classification
Calcium OxideGrade Standard
Industrial GradeKind
Alkaline OxideQuality
First ClassPurity
80%-99%Other Name
Quick LimeMf
CaoAppearance
White Powder, White LumpApplication
Food-Grade DesiccantUsed for
Food-Grade DesiccantMesh
100-600meshSample
AvailableMOQ
20mtColor
White PowderMolecular Weight
56.077Melting Point
2572 Degree Centigrade(2845K)Boiling Point
2850 Degree Centigrade(3123K)Density
3.35g/cm3Transport Package
25g/Bag, 40bags/Pallet or 1mt/Jumbo Bag PackageSpecification
25g/bag or 1MT/jumbo bag packageTrademark
HONGYUOrigin
Jiangsu, ChinaProduction Capacity
100000tons /YearKey features
Ultra-fine Particle Size: Precisely ground to 325 mesh for excellent dispersion and smooth blending.
High Whiteness: Whiteness exceeds 90%, ideal for white coatings and decorative materials.
High Purity: Manufactured from selected limestone with purity ranging from 80% to 99%.
Low Heavy Metal Content: Meets environmental and industrial safety standards with minimal contaminants.
Versatile Applications: Used in rubber, plastics, construction putties, ceramics, and flue gas absorption.
Stable Chemical Properties: Maintains performance in demanding environments as a pH modifier.
Flexible Packaging: Available in 25kg, 500kg, or 1000kg bags with PE liners.
Third-party Inspection: Quality controlled by professional technicians with BV and SGS acceptance.
Company profile

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2023-09-02 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.13h CertifiedTerms of Payment: LC, T/T, PayPal, etc.
AI-Powered supplier vetting
SummaryChangshu Hongyu Calcium Co., Ltd. is a China-based manufacturer of calcium oxide, calcium hydroxide, and environmentally friendly lime, established in 1984. The supplier reports ISO9001:2015 certification, multiple production lines, substantial stated annual output, export activity, and applications across petrochemical, lubricant, environmental, sewage-treatment, and related industries. It states that products can be organized according to customer requirements and that delivery can be ensured, but the evidence does not independently verify these claims. Information on after-sales service, financial credibility, and customer case details is limited. The provided records also contain inconsistencies in reported production-line count and quality-control staffing, so operational figures should be verified.
Supplier typeThe supplier is explicitly identified as a manufacturer and operates in chemicals, producing calcium oxide, calcium hydroxide, and environmentally friendly lime. Its legal and operating information places it in Changshu, Jiangsu, China.
CertificationsThe supplier reports holding an ISO9001:2015 management-system certificate. The slice does not provide the certificate number, validity period, or issuing body, but it is explicit evidence of certification.
Production capacityThe supplier reports a 4,000 m² manufacturing plant, three processing lines producing more than 100 tons of lime products per day in one description, five production lines in another record, and annual output of 100,000 tons each for calcium oxide and calcium hydroxide. These figures support substantial production capability, although the differing line counts should be verified.
Customization capabilityThe supplier explicitly states that it can organize required varieties according to users’ different product-quality requirements and deliver on time. This directly supports customization capability, although no examples, technical limits, or validation records are provided.
Product Q&A
Q:Are you a trading company or a factory?
A:
We are factory.
Q:What is your main product?
A:
Calcium oxide, calcium hydroxide
Q:How do you control the quality?
A:
Our factory is equipped with professional technicians to control quality, out inspectors take sample for testing every 2 hours to ensure the quality of our production. We also accept BV, SGS or any other Third-party inspection.
Q:How long time you can make the shipping?
A:
We can make the shipping within 20 days after confirming the order.
Q:Where is your factory located? How can I visit the factory?
A:
Our factory located in changshu jiangsu .Welcome to visit at any time, we can pick up the nearby machine factory.
Send Inquiry
*To:
Changshu Hongyu Calcium Co., Ltd.
Changshu Hongyu Calcium Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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