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Ammonium Polyphosphate Flame Retardant APP-II by Shandong Shian Chemical Co., Ltd
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Ammonium Polyphosphate Flame Retardant APP-II - Image 1

Ammonium Polyphosphate Flame Retardant APP-II

🕐Last updated: Oct 21, 2026
2/ Bags
Min. Order: 1 Bags
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📁CategoryAgriculture
💳Payment TermsT/T · L/C · D/P
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Buy & Import Ammonium Polyphosphate Flame Retardant APP-II from Shandong Shian Chemical Co., Ltd - China Wholesale Supply

Ammonium Polyphosphate Flame Retardant APP-II from Shandong Shian Chemical Co., Ltd is a halogen-free, intumescent flame retardant with the chemical formula (NH4PO3)n, where n exceeds 1000. It appears as a white, free-flowing powder with a phosphorus content of 31.0 - 32.0% by weight and nitrogen content of 14.0 - 15.0% by weight. The product has a pH range of 5.5 - 7.5 in a 10% suspension, moisture content below 0.25%, and thermal decomposition temperature of at least 275°C, making it suitable for high-temperature applications.

The material has a density of about 1.9 g/cm³ at 25°C and a bulk density of about 0.7 g/cm³, with an average particle size of 15 micrometers. Its low water solubility (0.5 g/100 cm³) and viscosity below 100 mPa.s in a 10% suspension at 25°C allow for stable integration into coatings and polymers. Typical for APP-II grade flame retardants, it is used where minimal water solubility and high thermal stability are critical for performance.

This grade is particularly effective in intumescent coatings for steel structures, meeting DIN4102 fireproofing standards, and as a flame retardant in polyurethane foams, paper, wood products, and casting resins. For epoxy or unsaturated polyester resins, adding 15 - 20% APP-II can achieve UL 94-V0 flame retardancy. Buyers typically source this for industrial applications requiring halogen-free solutions, with bulk packaging and logistics tailored to chemical handling standards.

Technical Specifications for Shandong Shian Chemical Co., Ltd Ammonium Polyphosphate Flame Retardant APP-II
Chemical Formula(NH4PO3)n, n > 1000
CAS Number68333-79-9
AppearanceWhite, free-flowing powder
Phosphorus Content (P) (w/w)31.0 - 32.0%
Nitrogen Content (N) (w/w)14.0 - 15.0%
pH Value (10% suspension)5.5 - 7.5
Moisture Content (w/w)≤ 0.25%
Thermal Decomposition Temperature≥ 275°C
Density at 25°CAbout 1.9 g/cm³
Bulk Density at 25°CAbout 0.7 g/cm³
Viscosity (25°C, 10% suspension)≤ 100 mPa.s
Solubility in Water0.5 g/100 cm³
Average Particle SizeAbout 15 µm
Typical Application Temperature RangeStandard for intumescent coatings: 200 - 300°C
Typical Fireproofing Standard ComplianceDIN4102 (for steel structure coatings)
About Shandong Shian Chemical Co., Ltd - Flame Retardant Supplier in China

Shandong Shian Chemical Co., Ltd is based in Renli Village, Qihe County, Dezhou, Shandong Province, China. The supplier operates from a verified address in a region known for chemical manufacturing, with a trust tier classified as harbor, indicating a confirmed business presence in the chemical sector.

The company specializes in the production of ammonium polyphosphate flame retardants, with APP-II being a key product in its portfolio. While the response rate and average response hours are currently not available, the supplier’s technical data sheet demonstrates a focus on precise chemical specifications and application guidance for industrial buyers.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
Response TimeContact Supplier
Response RateNew Supplier
Frequently Asked Questions About Ammonium Polyphosphate Flame Retardant APP-II from Shandong Shian Chemical Co., Ltd
APP-II has a long-chain polyphosphate structure with the formula (NH4PO3)n, where n is greater than 1000. This structure provides high thermal stability and low water solubility, which are critical for intumescent coatings and halogen-free flame retardant applications.

Sourcing Ammonium Polyphosphate Flame Retardant APP-II from Shandong Shian Chemical Co., Ltd - China Import Guide

Before ordering, verify the exact phosphorus and nitrogen content ranges, as these directly impact the flame retardant performance in your specific application. Confirm the thermal decomposition temperature meets your processing requirements, especially if the material will be exposed to high temperatures during manufacturing or end-use.

Discuss logistics for chemical handling, including packaging type (e.g., 25 kg bags, bulk containers) and Incoterms such as FOB or CIF. Lead times for chemical shipments from China can vary, so clarify production schedules and port of loading, typically Qingdao or Tianjin for Shandong-based suppliers.

Request a certificate of analysis for each batch to confirm compliance with the specified pH, moisture, and particle size values. For intumescent coatings, ensure the APP-II meets DIN4102 or UL 94-V0 standards by conducting third-party testing. Inspect the material upon arrival for consistency in appearance, particle size distribution, and bulk density.

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Shandong Shian Chemical Co., Ltd
China
⚓ HarborGlobal Trade
54/100
Trust Score
2
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Buy Ammonium Polyphosphate Fl in Bulk — Supplier in China

When sourcing Ammonium Polyphosphate Flame Retardant App-Ii for your business, securing the right balance of quality and cost is essential. Shandong Shian Chemical Co., Ltd, a supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $2/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Agriculture sector with strong demand from importing countries worldwide.

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About Shandong Shian Chemical Co., Ltd — Supplier in China

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Frequently Asked Questions About Ammonium Polyphosphate Fl

What is the wholesale price of Ammonium Polyphosphate Flame Retardant App-Ii?

The current listed wholesale price for Ammonium Polyphosphate Flame Retardant App-Ii from Shandong Shian Chemical Co., Ltd is $2/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shandong Shian Chemical Co., Ltd through EximNext.

What is the Minimum Order Quantity (MOQ) for Ammonium Polyphosphate Fl?

The supplier, Shandong Shian Chemical Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Ammonium Polyphosphate Fl. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for Ammonium Polyphosphate Flame Retardant App-Ii?

The HS Code classification for Ammonium Polyphosphate Flame Retardant App-Ii depends on the specific grade and form. Contact Shandong Shian Chemical Co., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.

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To import Ammonium Polyphosphate Fl from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shandong Shian Chemical Co., Ltd. Ensure you have the necessary import licenses for Agriculture products in your destination country.

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Open the Shandong Shian Chemical Co., Ltd company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.

What are the key specifications of Ammonium Polyphosphate Flame Retardant App-Ii?

For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Shandong Shian Chemical Co., Ltd through EximNext.

What packaging options are available for bulk orders of Ammonium Polyphosphate Fl?

Shandong Shian Chemical Co., Ltd offers Ammonium Polyphosphate Fl with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import Ammonium Polyphosphate Fl the most?

Ammonium Polyphosphate Fl is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shandong Shian Chemical Co., Ltd through our platform.

What certifications does this Ammonium Polyphosphate Fl supplier hold?

Shandong Shian Chemical Co., Ltd maintains international quality certifications. These ensure that the Ammonium Polyphosphate Fl meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for Ammonium Polyphosphate Flame Retardant App-Ii on EximNext?

Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shandong Shian Chemical Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.

What payment methods are accepted?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shandong Shian Chemical Co., Ltd.

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