Chemicals & Plastics

Chemical Name: Sorbitan Monooleate Emulsifier System; Mixture of Emulsifier, Co-Emulsifier, and Emulsion Promoter Chemical Formula: C₂₄H₄₄O₆ CAS Number: 1338-43-8 Physical & Chemical Properties: This product is an amber or brown viscous oily liquid, insoluble in water but soluble in hot oil and organic solvents. It is a W/O type surfactant compound with excellent emulsification and low- temperature dispersion properties, which can significantly improve the matrix structure, detonation performance, and storage stability of emulsion explosives. Span 80, chemically known as Sorbitan Monooleate, is a low-HLB, non-ionic surfactant widely used as a water-in-oil (W/O) emulsifier system. It is typically formulated as a mixture of emulsifier, co-emulsifier, and emulsion promoter, designed to deliver excellent emulsification, dispersion, and long- term stability in demanding industrial formulations. With its strong lipophilic nature and reliable performance under low- temperature and complex processing conditions, Span 80 Emulsifier has become an essential emulsifier in emulsion explosives, pesticide formulations, and cosmetics & personal care products.

Micronized wax primarily functions as a lubricant and processing aid in PVC extrusion, significantly enhancing processing performance and product quality. Mechanism and advantages of micronized wax in PVC extrusion: Micronized wax functions as both an external and internal lubricant during PVC extrusion, reducing intermolecular friction and enhancing melt flow. This increases extrusion rates while minimising equipment wear. Its spherical structure facilitates the formation of a uniform lubricating film, thereby reducing surface defects in the finished product and improving surface finish.

Micronized wax enhances ink performance through the following mechanisms: Improves surface properties: Reduces the coefficient of friction on printed surfaces, enhancing scratch resistance and anti-adhesion properties. Particularly suitable for flexographic, gravure, and offset printing processes. Optimises dispersibility and compatibility: Regular spherical particles disperse readily within ink systems without heating and exhibit excellent compatibility with pigments. PTFE-modified variants further enhance abrasion resistance. ‌Adjust gloss levels: Certain products (e.g., matting micronized wax powders) achieve a matte finish while maintaining coating uniformity.

Micronized wax is a functional additive widely employed in industrial paints to enhance the surface properties of the paint film, characterised by its fine particle size and uniform distribution. Primary Functions and Advantages ‌Enhanced Surface Properties‌: Micronized wax fortifies industrial paints against scratching, adhesion, and abrasion while imparting a smooth tactile feel. For instance, in coatings for steel structures or machinery, this reduces damage from routine friction.‌ ‌Improved Application Process‌: Incorporating micronized wax into formulations optimises rheological properties, yielding more uniform coatings and minimising air bubbles or orange peel effects. Certain micronized wax also offer matting effects, making them suitable for matt or semi-gloss industrial paints.‌ ‌Broad Adaptability: Micronized wax are compatible with solvent-based, water- based, and powder coating systems, demonstrating particular efficacy in industrial paints, can coatings, and wood finishes. Their spherical particle structure facilitates easy dispersion, allowing direct incorporation without complex pre-treatment.‌

Microcrystalline wax offers core advantages as a mould lubricant: Firstly, its excellent heat resistance and lubricity enable it to form a stable film during high-temperature injection moulding or die casting, reducing friction between the mould and moulded material, preventing sticking, and enhancing demoulding efficiency. Secondly, its good adhesion and film-forming properties ensure uniform coverage of the mould surface, providing sustained lubrication even within complex geometries and reducing mould wear. Furthermore, its high gel strength and crack resistance help maintain structural integrity during repeated thermal cycles, extending mould service life. In practical applications, microcrystalline wax is commonly employed as a pure product or in compound form: For instance, in rubber or plastic moulds, it may serve directly as a release agent or be blended with paraffin wax to enhance the latter's flexibility; in metal die casting, its lubricating properties reduce surface defects and improve product finish.

The primary functions of microcrystalline wax in sealants: Anti-adhesion and stain resistance: Surface protection: Forms an extremely thin, transparent wax film on the surface of cured sealants (such as silicone or polyurethane sealants). Contamination Prevention: This wax film effectively prevents contaminants such as construction site dust, cement slurry, and paint splatter from adhering to the uncured sealant surface, maintaining the joint's aesthetic appearance and cleanliness. Ease of Cleaning: Even if contaminants do adhere, they are significantly easier to wipe away. Controlling the Curing Process: For certain moisture-curing sealants (such as single-component silicone sealants and polyurethane sealants), the microcrystalline wax film on the surface can moderately slow the rate at which the top layer comes into contact with atmospheric moisture. Prevents ‘skin formation’: Avoids premature surface hardening that leaves the interior liquid, ensuring uniform and complete curing from the inside out. This delivers superior overall performance.

The moisture and oil repellency of microcrystalline wax primarily stems from its chemical inertness and physical barrier properties. It forms a continuous, dense coating that effectively blocks the penetration of moisture and oils. Its low permeability and high adhesion ensure the coating remains intact and resistant to flaking or peeling, thereby providing enduring protection across diverse substrates. In the packaging sector, microcrystalline wax is extensively employed for wax coating paper and cardboard. For instance, coating packaging paper with microcrystalline wax significantly enhances moisture resistance and oil repellency. This makes it suitable for applications such as frozen food cardstock and corrugated boxboard, preventing contents from becoming damp or oil-permeated. In food packaging, it is also employed in milk cartons, meat coatings, and bread wrapping paper, serving to isolate against moisture and oil penetration.

The rust-preventive mechanism and advantages of microcrystalline wax lie in its high molecular weight structure and adhesive properties.‌ Its chemical composition, featuring long-chain naphthenic hydrocarbons, enables thorough wetting of metal surfaces upon melting. Upon cooling and solidification, it forms a continuous, resilient film that effectively blocks environmental moisture and electrolytes; Furthermore, microcrystalline wax exhibits superior gel strength and adhesion compared to ordinary paraffin wax, enhancing the coating's resistance to wear and peeling. This makes it particularly suitable for protecting metal components in dynamic or vibrating environments. ‌Specific applications include rust prevention for metal products, thickening industrial greases, and rubber protection.‌ For example: Direct application as a short-term rust-preventive coating or impregnation treatment for metal products; As a thickening agent in greases to enhance sealing properties and weather resistance; Preventing surface chalking and cracking in rubber goods, thereby indirectly aiding rust prevention.‌

Industrial furfuryl alcohol is mainly used to manufacture furfuryl alcohol resin, which is used as binder of sand core of sand core of thermal core shooting box in precise foundry industry. Also furfuryl alcohol is used to manufacture tetrahydrofurfuryl alcohol, anti-corrosion coating, etc. and used as solvents, thinner or other organic raw material. Physical & Chemical Features

Minimum Order: 27

Melamine is mainly used for manufacturing melaminoformal dehyde resin, which is well water, heat & arc resistant and bright. It can also be used in decorative laminates, aminoplastics, adhesive agents, coatings and used as a paper reinforcing agent, textile auxiliaries, cement water-reducing agent and leather retaining agent etc.

Minimum Order: 27

TDO is a new kind of reducing agent that used as exchange of sodium hydrosulfite. It is widely used in textile and paper making industry. This product is also used in leather processing industry, paper, pulp and board industry, photographic industry, bleaching and reducing agents. This product is also a component of decolorisation agents. In macromolecule material industry, it is used as catalysis agent and stabilizer of resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, medical, spicery materials in fine chemicals, and also can be applied in the recycling and separating of heavy metals.

Minimum Order: 27

Dodecanol ester has many advantages. It has good resin compatibility, low dosage, low film-forming temperature, good film leveling property, good color development, low freezing point, better hydrolytic stability, and low toxicity. It is an excellent film-forming aid for latex paint and is particularly suitable for various water-based coating systems such as emulsions, latex paints, and adhesives synthesized from methacrylate, styrene, and vinyl acetate as raw materials

Minimum Order: 16 pieces

Sodium Percarbonate offers many of the same functional benefits as liquid hydrogen peroxide. It dissolves into water rapidly to release oxygen and provides powerful cleaning, bleaching, stain removal and deodorizing capabilities. As Sodium Percarbonate is a kind of new high effective bleaching raw material for detergent, with advantage of no odor, no toxin, and no pollution. Due to the bleaching capacity of active oxygen released into the water, Sodium Percarbonate shows well performance. Sodium Percarbonate also is one disinfecting agent,it can kill coliform, staphylokinase, hepatitis bacterium and so on, therefore it is used as defecting agent in Hospital,Public Place,and to disinfected Medical Instrument, False Teeth, Fruit tools and Fruite and so on. Along with the development of aquiculture, usages of Sodium Percarbonate in such domains are increasing. Many detergent manufacturers home and abroad have being adopted Sodium Percarbonate as bleaching raw material instead of Sodium perborate or others.

Minimum Order: 27

Microcrystalline wax is employed in packaging paper primarily for the following purposes: Exceptional moisture and water barrier properties: It effectively prevents the penetration of water vapour and liquid water, safeguarding contents from dampness. This constitutes its core function. Enhanced gloss and aesthetic appeal: It imparts a lustrous finish to the packaging paper surface, elevating the perceived quality of the product's appearance. Enhanced abrasion resistance and durability: The wax coating increases the mechanical strength of the paper surface, reducing wear during transportation and handling. Typical application areas include: Industrial packaging Rust-proof packaging paper for metal products Moisture-proof inner liners for fertilisers and chemical products Sealing layer for composite paper cans.