The global diatomaceous earth (DE) market is experiencing steady expansion, driven by rising demand across agriculture, filtration, construction, and industrial applications. According to a 2023 report by Grand View Research, the market was valued at USD 2.87 billion in 2022 and is expected to grow at a compound annual growth rate (CAGR) of 4.6% from 2023 to 2030. This growth is fueled by increasing preference for natural, non-toxic pest control solutions in farming and the expanding use of DE in water purification and as a functional additive in building materials. As demand rises, sourcing DE in bulk has become a priority for manufacturers and distributors seeking cost efficiency and supply chain reliability. In this competitive landscape, identifying leading bulk producers with scalable operations, high-quality standards, and global reach is critical. Based on production capacity, geographic reach, and market presence, the following nine manufacturers stand out as key suppliers shaping the diatomaceous earth industry.
Top 9 Diatomaceous Earth Bulk Manufacturers 2026
(Ranked by Factory Capability & Trust Score)
#1 Perma
Domain Est. 1999
Website: perma-guard.com
Key Highlights: Perma-Guard™, Inc. is the original and largest supplier of fresh water, food grade Diatomaceous Earth products for agricultural use in the world….
#2 Diatomaceous Earth
Domain Est. 2019
Website: hansonchemicals.com
Key Highlights: Hanson Chemicals is a trusted manufacturer, supplier and distributor of Diatomaceous Earth, serving industries across USA & Canada with reliable quality ……
#3 Harris Food Grade Diatomaceous Earth
Domain Est. 1997
Website: pfharris.com
Key Highlights: Harris Food Grade Diatomaceous Earth (DE) is composed of 100% ground freshwater DE, with no additives. The product is made of the naturally occurring ……
#4 DiatomaceousEarth.com to Learn About Diatomaceous …
Domain Est. 2002
Website: diatomaceousearth.com
Key Highlights: As the largest online seller of diatomaceous earth and the only brand to be an official supplement, we provide DE you can trust….
#5 Diatomaceous Earth
Domain Est. 2003
Website: dicalite.com
Key Highlights: Buy Direct (Bulk) … We have nearly 100 years of mining experience, multiple manufacturing sites, and the broadest range of diatomaceous earth products….
#6 Diatomaceous Earth, Clay, Perlite & Cellulose products used as filter …
Domain Est. 2006
Website: epminerals.com
Key Highlights: Our diatomaceous earth (DE), perlite, clay, cellulose and high purity DE products are shipped to over 100 countries around the globe….
#7 Buy Eco‑Friendly Diatomaceous Earth (Kieselguhr) Powder
Domain Est. 2014
Website: seemaminerals.com
Key Highlights: Discover Seema Mineral’s eco‑friendly Kieselguhr diatomaceous earth for pest control, soil enhancement & more. Bulk & retail options available—buy yours today ……
#8 Diatomaceous Earth, 50lbs
Domain Est. 2015
Website: newcountryorganics.com
Key Highlights: In stock Rating 4.9 (38) Diatomaceous Earth packaged under Perma-Guard’s FOSSIL SHELL FLOUR® label comes from an extremely pure fresh water deposit of the diatom Aulacoseira….
#9 Food Grade Diatomaceous Earth Official Online Website
Website: thediatomaceousearth.com
Key Highlights: The DiatomaceousEarth 20 LBS bulk size provides a trusted, 100% chemical-free natural source of freshwater amorphous silica for a wide array of versatile ……
Expert Sourcing Insights for Diatomaceous Earth Bulk
H2: Projected 2026 Market Trends for Diatomaceous Earth in Bulk
The global bulk diatomaceous earth (DE) market is poised for steady growth by 2026, driven by expanding applications across key industries, rising demand for eco-friendly alternatives, and technological advancements in processing and distribution. The following analysis outlines the major market trends expected to shape the bulk DE landscape in 2026.
1. Increasing Demand in Agriculture and Animal Feed
By 2026, the agricultural sector is projected to remain the largest consumer of bulk diatomaceous earth. DE is widely used as a natural pesticide, anti-caking agent, and feed additive due to its silica content and mechanical mode of action against pests. Heightened awareness of sustainable farming practices and the push to reduce chemical pesticide dependency will continue to boost DE adoption. Regulatory support for organic farming in regions like North America and Europe will further stimulate demand for food-grade and feed-grade bulk DE.
2. Growth in Filtration Applications
The beverage and brewing industries, particularly in wine, beer, and sugar processing, rely heavily on DE for high-efficiency filtration. As consumer preferences shift toward premium and craft beverages, production volumes are rising, increasing the need for bulk DE as a filtration medium. Innovations in reusable or modified DE products may emerge to address cost and environmental concerns, but demand for high-purity bulk DE is expected to remain robust through 2026.
3. Rising Use in Construction and Industrial Applications
Diatomaceous earth is increasingly used as a functional additive in construction materials such as paints, coatings, and insulation due to its high porosity and thermal stability. The global push for energy-efficient buildings and sustainable materials will drive demand for DE-enhanced products. Additionally, its use in absorbents for industrial spills and as a filler in plastics and rubber will contribute to market expansion, especially in developing economies.
4. Environmental and Regulatory Pressures
While DE is considered a natural and low-toxicity material, growing scrutiny around crystalline silica content—particularly in inhaled forms—may influence handling standards and worker safety regulations. By 2026, suppliers and end-users will likely adopt stricter safety protocols and invest in amorphous DE products with lower crystalline silica levels. This could lead to market segmentation based on safety certifications and product purity.
5. Supply Chain Optimization and Regional Shifts
Major DE-producing regions, including the United States (particularly Nevada), China, and Denmark, will continue to dominate supply. However, logistical improvements and localized processing hubs are expected to reduce transportation costs for bulk shipments. Emerging markets in Southeast Asia and Latin America may see increased domestic production to meet regional demand, reducing reliance on imports.
6. Sustainability and Circular Economy Initiatives
As environmental sustainability becomes a priority, research into DE recycling—especially from filtration processes—is gaining traction. By 2026, pilot programs and commercial-scale efforts to reclaim and repurpose spent DE could begin influencing bulk procurement strategies, particularly in large industrial users aiming to reduce waste and improve ESG performance.
7. Price Volatility and Raw Material Constraints
DE prices may experience moderate fluctuations due to mining regulations, energy costs, and environmental permitting delays. However, long-term supply remains stable thanks to abundant natural diatomite deposits. Bulk pricing will likely reflect grade differentiation, with food-grade and ultra-pure DE commanding premium rates.
Conclusion
By 2026, the bulk diatomaceous earth market will be characterized by sustained demand across agriculture, filtration, and industrial sectors, underpinned by environmental awareness and regulatory support for natural materials. Companies that invest in product differentiation, safety compliance, and supply chain resilience will be best positioned to capitalize on emerging opportunities in this evolving market.
Common Pitfalls When Sourcing Diatomaceous Earth in Bulk (Quality & Intellectual Property)
Sourcing diatomaceous earth (DE) in bulk offers cost advantages, but businesses must navigate several critical pitfalls related to quality consistency and intellectual property (IP) concerns. Overlooking these areas can lead to product failures, compliance issues, reputational damage, or legal disputes.
Quality-Related Pitfalls
Inconsistent Raw Material Sourcing
Diatomaceous earth properties vary significantly based on geological origin, diatom species, and mining methods. Suppliers sourcing from multiple or unverified deposits may deliver inconsistent particle size, porosity, and chemical composition. This variability affects performance in applications like filtration, absorbents, or agricultural amendments. Always demand certificates of analysis (CoA) and conduct batch testing to ensure specifications are met.
Contamination Risks (Heavy Metals, Crystalline Silica)
Food-grade and feed-grade DE must meet strict safety standards. A major pitfall is contamination with heavy metals (arsenic, lead) or elevated levels of crystalline silica, which poses inhalation hazards. Suppliers in regions with lax regulations may not adequately process or test material. Verify compliance with FDA, EFSA, or other relevant standards and request third-party test reports.
Improper Processing and Milling
Bulk DE performance often depends on precise particle size distribution. Poor milling practices can result in overly fine or coarse material, reducing efficacy. Additionally, thermal or chemical processing (calcining, flux-calcining) must be controlled to achieve desired properties without degrading quality. Audit supplier capabilities and request detailed processing documentation.
Moisture and Caking Issues in Storage/Transport
DE is hygroscopic; excessive moisture during storage or shipping can cause caking and clumping, making handling difficult and reducing functionality. Suppliers using inadequate packaging or improper storage expose buyers to this risk. Specify moisture content limits and packaging requirements (e.g., moisture-barrier liners) in contracts.
Intellectual Property-Related Pitfalls
Lack of Protection for Proprietary Formulations
If you’re developing a DE-based product with unique blends or treatments, failing to secure patents or trade secrets before engaging suppliers can lead to IP theft. Unscrupulous suppliers may replicate and sell your formulation. Use robust non-disclosure agreements (NDAs) and limit disclosure to only what’s necessary.
Supplier Claims of Ownership Over Custom Processes
When working with a supplier to co-develop a specialized DE product (e.g., surface-modified DE for industrial use), unclear IP ownership terms can result in disputes. Suppliers might claim rights to improvements made during production. Define IP ownership, including background and foreground IP, in the supply agreement.
Counterfeit or Misrepresented Grades
Some suppliers may falsely label pool-grade or industrial DE as food-grade to command higher prices. This misrepresentation not only violates safety regulations but can also expose your brand to liability. Conduct due diligence, site audits, and independent verification of claims to avoid IP and compliance risks.
Inadequate Contractual Safeguards
General purchase agreements often lack detailed clauses on quality assurance, IP rights, liability for non-compliance, and audit rights. Relying on vague terms increases exposure. Ensure contracts include clear specifications, testing protocols, IP indemnification, and remedies for breach.
Logistics & Compliance Guide for Diatomaceous Earth (Bulk)
Overview
Diatomaceous Earth (DE) is a naturally occurring, porous sedimentary rock composed of the fossilized remains of diatoms. In bulk form, it is widely used in agriculture, filtration, construction, and industrial applications. Proper logistics and compliance procedures are essential to ensure safety, regulatory adherence, and product integrity throughout the supply chain.
Hazard Classification and Regulatory Status
Diatomaceous Earth is generally classified as a nuisance dust. While most forms (especially food and feed grade) are considered low-risk, bulk handling poses inhalation and environmental concerns.
– OSHA: Regulated under permissible exposure limits (PEL) for respirable crystalline silica (29 CFR 1910.1053). Amorphous silica (common in DE) has a PEL of 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction).
– NIOSH: Recommends a REL of 10 mg/m³ (total dust), 5 mg/m³ (respirable).
– GHS Classification: Typically not classified as hazardous, but may carry hazard statements if crystalline silica content exceeds 1%.
– EPA & DOT: Not regulated as hazardous material under 49 CFR when transported in bulk, provided it meets criteria for non-hazardous status. Always confirm silica content and grade.
Packaging and Bulk Handling
DE is commonly transported in:
– Bulk Tanker Trucks (pneumatic or mechanical discharge)
– Railcars (hopper cars)
– Supersacks (FIBCs) – 1,000–2,000 lb capacity
– Open-top or closed-top bulk containers
Best Practices:
– Ensure containers are dry and sealed to prevent moisture absorption.
– Use dust-suppressing loading/unloading methods (e.g., enclosed transfer systems).
– Minimize drop heights to reduce dust generation during transfer.
– Conduct regular equipment inspections for wear and leaks.
Transportation Requirements
Domestic (U.S.):
– Non-hazardous material per DOT 49 CFR when crystalline silica <1%.
– Shipping papers not required for non-hazardous bulk shipments, but bill of lading should include:
– Product name: Diatomaceous Earth
– Grade (e.g., Food Grade, Industrial Grade)
– Net weight
– Supplier and recipient information
International (IMDG, IATA):
– Typically not regulated as dangerous goods for air or sea transport if meeting criteria for non-hazardous powders.
– Verify with latest IMDG/IATA regulations; provide Safety Data Sheet (SDS) for customs.
– Use UN-certified bulk containers if required by carrier.
Storage Guidelines
- Store in a dry, well-ventilated area away from moisture.
- Use elevated, covered platforms or silos to prevent dampness.
- Segregate from foodstuffs, chemicals, and combustibles.
- Implement dust control measures (e.g., misting, local exhaust ventilation).
- Limit storage duration to prevent caking or degradation.
Worker Safety and PPE
Exposure to DE dust can cause respiratory irritation.
Required PPE:
– NIOSH-approved respirator (N95 or higher for high-dust environments)
– Safety goggles or face shield
– Dust-resistant clothing and gloves
– Hearing protection (if handling near pneumatic systems)
Engineering Controls:
– Local exhaust ventilation (LEV) at transfer points
– Dust collection systems
– Sealed conveyors and chutes
Training: Workers must be trained on:
– Silica exposure risks
– Proper use of PPE
– Emergency procedures
– Housekeeping (wet sweeping or HEPA vacuuming—never dry sweeping)
Environmental and Spill Management
- Spills: Contain using non-combustible absorbents. Avoid creating dust. Collect material and dispose of according to local regulations.
- Runoff Control: Prevent DE from entering storm drains or waterways; it can affect aquatic life due to physical abrasion.
- Disposal: Non-hazardous waste in most jurisdictions. Confirm with local environmental agencies. Landfill disposal is common; recycling options are limited.
Documentation and Compliance
Ensure availability of:
– Safety Data Sheet (SDS) – Must be GHS-compliant and updated (version 16+ recommended).
– Certificate of Analysis (COA) – Including silica content, moisture, particle size.
– Bill of Lading / Waybill – Accurate weight and product description.
– Regulatory Declarations: For cross-border shipments, provide proof of non-hazardous classification if required.
Special Considerations by Grade
- Food Grade DE: Must comply with FDA 21 CFR 172.430 (for use in food processing) and USDA organic standards if applicable. Requires segregation from non-food grades.
- Industrial Grade DE: Higher crystalline silica content; may require stricter exposure controls and labeling.
- Pool/Filtration Grade DE: Often heat-treated (calcined), increasing crystalline silica—requires full silica exposure monitoring.
Conclusion
Safe and compliant logistics for bulk Diatomaceous Earth depend on accurate classification, proper handling, and proactive worker protection. Always verify product specifications, maintain documentation, and stay updated on evolving regulations—particularly those related to respirable crystalline silica. Partnering with experienced bulk carriers and conducting regular compliance audits will minimize risk and ensure smooth operations.
Conclusion for Sourcing Diatomaceous Earth in Bulk:
Sourcing diatometaceous earth in bulk requires a strategic approach that balances quality, cost, and supply chain reliability. After evaluating suppliers, certifications, product grades (food, feed, or industrial grade), and logistical considerations, it becomes clear that selecting a reputable, consistent, and transparent supplier is crucial. Key factors such as purity, moisture content, particle size, and regulatory compliance (e.g., FDA, USDA, or organic certifications) directly impact suitability for intended applications—whether in agriculture, filtration, pest control, or industrial processes.
Bulk sourcing offers significant cost advantages and ensures supply continuity, but due diligence is essential to avoid contamination, inconsistent quality, or delivery delays. Establishing long-term relationships with suppliers who provide certificates of analysis (COA), sustainable sourcing practices, and reliable logistics support enhances operational efficiency and product safety.
In conclusion, successful bulk procurement of diatomaceous earth hinges on thorough vetting, clear specifications, and ongoing quality monitoring. By prioritizing these elements, businesses can secure a dependable supply of high-quality diatomaceous earth that meets both performance standards and regulatory requirements.








