Chemicals & Plastics

Calcium carbide powder; Powdered calcium carbide: It can make the chemical reaction more complete and rapid. Instant response, suitable for laboratories and precision processing Size:  0-0.5mm Product Advantages:  High gas yield, High purity, Stable performance, and Safety in use Application Physical and chemical properties (1) Highly reactive: The powder state maximizes the contact area of calcium carbide particles. When reacting with water, the rate of releasing acetylene (C₂H₂) per unit time is much higher than that of bulk calcium carbide (up to 3- 5 times that of ordinary calcium carbide). It is suitable for scenarios that require instantaneous high flow of acetylene (such as precision combustion and rapid synthesis reactions). (2) Rapid and complete reaction: Traditional bulk calcium carbide forms a calcium hydroxide (Ca(OH)₂) coating after surface reaction, which hinders the internal reaction. The utilization rate is usually only 70-85%. Powdered calcium carbide has tiny particles and almost 100% reaction, with no core unreacted residue, which significantly reduces the amount of waste residue. (3) Suspension and dispersibility: In specific solvents (such as mineral oil or organic media), powdered calcium carbide can be evenly dispersed and used in reaction systems with controlled slow release of acetylene. It can also be transported by air flow to achieve automatic feeding. Unique industrial application advantages (1) Precision chemicals and laboratories Gas chromatography carrier gas: When high-purity acetylene is required, powdered calcium carbide can react quickly and filter impurities, which is more flexible than cylinder gas supply. Nanomaterial synthesis:As a carbon source, it participates in the chemical vapor deposition (CVD) process of carbon nanotubes (CNT) or graphene. Due to its fast reaction rate, the release of carbon atoms can be precisely controlled. (2) Metallurgical industry High-efficiency desulfurizer: In steel smelting, powdered calcium carbide can instantly combine with sulfur in molten metal (generating CaS) to improve desulfurization efficiency Alloy additive: Through the jet injection method, it directly participates in the regulation of carbon elements in the metal liquid (such as high-carbon steel production). (3) Pharmaceutical and pesticide synthesis Highly active intermediates: When synthesizing vitamin A and alkyne drugs, powdered calcium carbide can quickly provide acetylene groups (-C≡CH), shortening the reaction time. Specifications Size 0-0.5mm Gas Yield 230L/kg CAC2 62% PH3 0.04% H2S 0% Color Grey or Black Appearance Granular Grade Standard Industrial Grade CAS NO. 75-20-7 EINECS 200-848-3 Formula CaC2 UN No. 1402 HS Code 284910 Package 50kg,60kg,100kg,120kg New Iron Drum NEW OCEAN GROUP -- an excellent calcium carbide supplier 1.High purity products – calcium carbide content ≥80%, suitable for industrial applications. 2.Stable supply capacity – stable supply of large quantities of products. 3.Safety standards – in compliance with dangerous goods transportation and storage regulations. 4.Good packaging – usually packaged in barrels or iron drums, sealed to prevent moisture. 5.Technical support – providing customized solutions. 6.Export experience – familiar with global dangerous goods transportation. If you are looking for more details, kindly visit our website.

Thanks to its high melting point, excellent flexibility, strong adhesion, and moisture-resistant insulating properties, microcrystalline wax is primarily used in the industrial sector as a modifier, protective agent, and molding aid. Its core applications are as follows: Rubber and Plastics Industry Ozone resistance: When added to tires and rubber products, it migrates to form a protective film that prevents surface cracking and aging, significantly extending service life. ‌Processing Modification‌: Improves the flow properties of rubber and plastics, enhancing the surface smoothness, wear resistance, and anti-adhesion properties of finished products.‌‌

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Microcrystalline wax is a high-melting-point, fine-crystalline hydrocarbon mixture produced from petroleum distillation residues through deep refining and deoiling. Its key characteristics lie in its flexibility, adhesion, and thermal stability, which are significantly superior to those of ordinary paraffin.‌‌ Oil Content Control: High-quality industrial-grade products typically have an oil content below 2%. Lower oil content results in higher hardness and minimal shrinkage, while slightly higher oil content provides better flexibility and adhesion. Color and Luster: It typically appears as milky white to pale yellow granules or lumps with a light color. It develops a luster when rubbed, which is advantageous for the production of light-colored products. ‌Solubility and Compatibility‌: Insoluble in water and cold ethanol, but soluble in organic solvents such as benzene and chloroform; miscible with various mineral and vegetable waxes, and capable of raising the melting point of wax blends.‌‌

Microcrystalline wax is commonly used as a raw material for yarn waxing, which is one of its key applications in the textile industry. Reducing friction as a lubricant: This is its most fundamental function. Microcrystalline wax forms a lubricating film on the yarn surface, effectively reducing friction between the yarn and textile machinery, thereby lowering yarn breakage rates and improving production efficiency. At the same time, this protective film also enhances the yarn’s abrasion resistance, enabling it to withstand the rigors of high-speed spinning and weaving processes. Good flexibility and high elongation: When subjected to stress, microcrystalline wax tends to flow plastically rather than fracture brittle, which prevents it from peeling off the yarn surface after application and ensures long-lasting lubrication. High molecular weight and strong adhesion: It has a higher molecular weight than paraffin wax, providing better adhesion to the yarn and forming a more durable coating.

Microcrystalline wax is ideal as a gloss enhancer in paste-based products and is one of their classic core ingredients. Excellent film-forming and gloss properties: Microcrystalline wax imparts outstanding gloss to paste-based products, forming a uniform, lustrous protective film on surfaces such as automotive paint, furniture, and leather shoes, while providing both gloss and care. Good compatibility and stability: It is miscible with various mineral waxes, plant waxes, and hot fatty oils, allowing for flexible formulation design. In paste-based polishing agents, it also prevents oil separation, ensuring the product’s texture remains stable. Ideal physical properties: Microcrystalline wax is highly viscous and ductile, and does not become brittle even at low temperatures. These properties make the wax layer more resilient and long-lasting after application, while also preventing cracking or peeling.

Microcrystalline wax is widely used in paper processing, primarily to enhance the waterproof, oil-proof, heat-seal, and flexibility properties of paper. Enhancing water and oil resistance: Applying microcrystalline wax in the form of a lotion to paper surfaces can impart good waterproof, oil-proof, and water vapor barrier properties to the paper, making it a viable alternative to fluorine-containing oil repellents for packaging paper. For high-end packaging coatings: In cigarette inner lining paper, microcrystalline wax coating serves as a barrier layer, being solvent-free, VOC-free, environmentally friendly, and fast-curing. In packaging box coating formulations, the addition of microcrystalline wax enhances waterproofing, oxygen barrier, and adhesion properties.

Microcrystalline wax is a core physical antioxidant in the rubber and tire industry. Its key advantages in tires and rubber include: ‌Ozone crack resistance: Particularly suitable for areas subject to dynamic stress, such as tire sidewalls, significantly extending service life under outdoor exposure. Low-Temperature Flexibility: The irregular crystal structure of microcrystalline wax provides the protective film with superior low- temperature ductility, preventing the wax film from cracking and failing due to rubber flexing in cold environments. Synergistic Effect: Often blended with chemical antioxidants to form a “physical + chemical” dual-protection network, enhancing overall weather resistance.

Applications as a Lubricant ‌Grease Thickener: Leveraging its high gel strength and excellent adhesion, it serves as a thickener for greases, enhancing their adhesion and protective properties. It is commonly used in greases for instrumentation and sealing applications. ‌Surface Friction Reduction and Release Agents‌: In rubber and plastic processing, microcrystalline wax migrates to the surface to form a film, acting as a release agent and anti-adhesive to reduce frictional resistance; it also reduces fiber friction in textile yarn waxing. Applications as a Coating Material Due to its high melting point, fine crystalline structure, and water- and moisture-resistant properties, microcrystalline wax is an excellent coating material: Protective Coatings: Used in metal anti-rust coatings, cable insulation paper impregnation, and electroplating masking coatings to form a dense protective layer that blocks moisture and oxygen.

In the packaging and printing industries, microcrystalline wax is primarily used to impart moisture resistance, oil resistance, and gloss to materials, as well as to enhance ink performance.‌‌ ‌Packaging sector‌: Used as a wax coating agent for packaging paper (such as food and pharmaceutical paper bags) to provide moisture resistance, oil resistance, and anti-stick properties; it is also used for fruit coatings or impregnation treatments to enhance barrier properties and surface texture; Certain high-melting-point grades can serve as heat-seal layers or adhesion promoters. Printing sector: Added to inks (especially in gravure and flexographic printing) as rheology modifiers, anti-smear agents, and adhesion promoters to improve drying speed, print clarity, and abrasion resistance; it can also be used in varnishes or laminating coatings to enhance gloss and scratch resistance.

Industrial microcrystalline wax, with its high ductility, low brittleness, excellent film-forming properties, moisture-proof sealing capabilities, and thickening and stabilizing properties, is widely used in the following industrial sectors:‌‌ ‌Packaging and Printing‌: Used as a paper coating to enhance water resistance, gloss, and heat-sealability; used in inks to adjust viscosity, improve adhesion, and reduce plate clogging. Rubber and Tires: Acts as an anti-aging agent and release agent, migrating to the surface to form a protective film that resists ozone cracking, reduces mold sticking during processing, and extends product lifespan. ‌Metal Rust Prevention and Lubrication: Used in rust-preventive pastes, cutting fluid additives, and instrument greases to provide an oil film barrier and enhance viscosity. ‌Plastics and Coatings: Added to plastics (such as electronic enclosures) to improve demolding, wear resistance, and surface gloss; used in coatings as a rheological modifier and a matte/gloss adjuster.

Key Features of Microcrystalline Wax in Printing Inks: 1. Provides Excellent Surface Protection Microcrystalline wax effectively enhances the ink’s scratch resistance, abrasion resistance, and anti-blocking properties, preventing smudging or scratching of printed materials during stacking or subsequent processing. This is particularly important for ensuring the visual quality of printed materials—such as packaging—during transportation and use. 2. Virtually no impact on ink gloss Thanks to its regular spherical particle structure, microcrystalline wax scatters light very uniformly. This allows it to provide protection while maximizing the ink’s original high gloss, even at higher loading levels, making it particularly suitable for high-quality printed materials such as catalogs, magazines, and gloss-coated packaging.

Microcrystalline wax is a white, amorphous solid wax refined from petroleum residue oil. Its main components are C31–C70 branched-chain saturated hydrocarbons and a small amount of naphthenes. It features a high melting point, strong adhesion, excellent ductility, and low-temperature toughness. It is odorless and tasteless, insoluble in water and ethanol, but soluble in organic solvents such as benzene and chloroform.‌‌ ‌Physical Form and Structure‌: A white or off-white waxy solid,‌ amorphous with fine crystalline features,‌ with a flexible texture that does not crack or break easily, and exhibits a luster when rubbed. ‌Thermal Properties‌: Wide melting point range (typically 60–90°C), good high-temperature stability, and low thermal expansion coefficient. ‌Mechanical Properties‌: High viscosity, strong ductility, and good elasticity; remains flexible at low temperatures and is not prone to cracking.

OPE wax is a plastic processing aid that provides both internal and external lubrication. It is widely used in the extrusion, injection molding, and calendering processes of thermoplastic resins such as PVC, PE, and PP to reduce melt viscosity, minimize equipment friction, improve demolding properties, and enhance the surface gloss of finished products.‌‌ ‌Internal Lubrication: The polar groups of the molecules are partially compatible with the resin, reducing intermolecular friction, promoting plasticization, and reducing energy consumption. External Lubrication: It migrates to the melt-metal interface to form a lubricating film, preventing roller/mold sticking, improving flow, and enhancing demolding efficiency. It performs exceptionally well in rigid PVC profiles, pipes, and cable compounds. Balanced Lubricity: Compared to polyethylene wax, OPE wax introduces polar groups through oxidation, resulting in more balanced internal and external lubrication in polar systems and reduced tendency to bloom.