Polysilicon is high‑purity crystalline silicon composed of multiple silicon grains. Silicon Wafer is thin sliced monocrystalline or polycrystalline silicon processed from silicon ingots. Both feature high purity, stable semiconductor performance, good conductivity control and strong light absorption. They are core raw materials for photovoltaic power generation and semiconductor chips.

PRODUCT PROPERTIES

Item	Polysilicon / Silicon Wafer
Chemical Name	Polycrystalline Silicon / Silicon Wafer
Chemical Formula	Si
CAS Number	7440-21-3
EINECS Number	231-130-8
Molecular Weight	28.09 g/mol
Melting Point	1414 °C
Density	2.33 g/cm³ (25 °C)
Physical Form	Polysilicon: metallic gray granular, rod or chunk solidSilicon Wafer: thin round polished sheet, silver gray, smooth surface
Solubility	Insoluble in water and common solvents
Features	Semiconductor material, high hardness, corrosion resistant

PRODUCT USESE

Lithium‑ion Battery IndustryMatched with SBR as combined binder for anode materials; improves dispersion, viscosity stability and coating uniformity, reduces swelling and increases cycle life.
Food AdditiveThickener, stabilizer and water retention agent in beverages, ice cream, baked food and instant food.
Daily Chemical and CosmeticsThickening stabilizer for toothpaste, facial mask, lotion and detergent.
Petroleum and Drilling IndustryDrilling mud stabilizer and water locking agent in oil exploitation.
Coating, Textile and Paper IndustryPaper sizing agent, textile printing thickener and water‑based coating suspending agent.
Pharmaceutical IndustryTablet adhesive, disintegrant and slow‑release auxiliary material.

ABOUT US

Shandong Hengyi Chemical Co., Ltd. is a enterprise of chemical business, with a total output of 60 million tons and over 3,000 employees. The company's products cover ten major areas, including new energy and new materials, chemical fertilizers, organic amines, acetic acid and its derivatives, polyols, synthetic resins, polyurethane, fragrances and flavors, additives and catalysts, and inorganic chemicals, totaling over 100 products.

PACKAGING AND TRANSPORTATION

Our company offers diversified, standardized, and customized packaging services for products. All packaging strictly complies with usage and transportation safety regulations. We support various formats such as standard bags, drums, and ton bags, and can flexibly adjust specifications, materials, and packaging methods according to customer needs to meet different usage scenarios such as warehousing, transportation, and export. Our products are safe, reliable, convenient, and practical.

FAQ

Q: Do you provide technical data and usage guidance?

A: Product manuals, technical parameters, MSDS and other documents are provided, together with professional pre-sales technical consultation and application guidance.

Q: Can you provide samples?

A: Samples are available for some products. Please consult customer service for specific application, quantity and cost.

Q: What should I do if the packaging is damaged upon receipt?

A: Please inspect goods upon receipt. If damage or leakage is found, provide photos for verification and we will handle it promptly.

Q: Do you support export and provide customs clearance documents?

A: Export packaging is supported. Customs clearance documents such as MSDS, packing list and commercial invoice are available to assist with cross-border logistics.

Q: How long will it take to deliver after ordering?

A: Regular in-stock items will be shipped within 1–3 working days. For customized packaging or special orders, delivery time shall be negotiated by both parties.

Q: What is the MOQ of your products?

A: Small-batch samples and large-volume orders are both supported. Specific MOQ can be negotiated based on product model and packaging type.

Q: Is transportation safe and compliant?

A: Transportation is carried out in strict accordance with regulations for general or dangerous chemicals, with qualified logistics and protective measures to ensure full-process safety.

Q: How to store chemical products properly?

A: Store in a cool, dry and ventilated area, away from fire, heat and strong corrosive substances. Store by category to avoid mixed storage risks.

Q: How is product quality guaranteed?

A: Products are produced and tested in strict accordance with industry standards. Quality inspection reports and certificates are available to ensure stable and reliable quality.

Q: Do you support customized packaging?

A: Customization is available. We can customize size, material, label and sealing method according to customer requirements for different storage, transportation and export scenarios.

Q: Is the packaging compliant with transportation and export safety requirements?

A: All packaging complies with safety regulations for storage, transportation and export, with qualified sealing and firmness, suitable for land, sea and other logistics scenarios.

Q: What types of packaging do you provide?

A: We provide regular packaging such as bags, drums and ton bags, as well as standardized and customized packaging. Specifications, materials and sealing methods can be adjusted flexibly according to product characteristics.

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