SNL Latex Series Product Overview
Dec 12, 2025
Chloroprene latex is a type of water-based polymer material formed from chloroprene rubber through emulsion polymerization or re-emulsification processes. This series has great adhesion, strong weather resistance, and high flame retardancy, and it can be used in many ways. The series is divided into two main types: anionic chloroprene latex (SNL series) and cationic chloroprene latex (CRL series). These types are based on different ionic properties and can be used in construction, transportation, industrial bonding, surface reinforcement, coating, and impregnation.
1. SNL Series Core Performance and Technological Advantages
♠ Superior Bonding Strength and Initial Tack
In adhesive formulation design, initial tack is a key factor determining production efficiency. SNL series latexes exhibit extremely strong affinity for various substrates, including metals, fabrics, glass fibers, and even porous sponge materials.
♠ Comprehensive Environmental Resistance
Unlike natural latex, which is prone to aging, the SNL series inherits the excellent properties of chloroprene rubber (CR). It possesses excellent resistance to ozone, weathering, oil, and chemical corrosion.
♠ Environmental Protection and Process Adaptability
In today's increasingly stringent environmental regulations, the water-based, non-toxic, and solvent-free characteristics of the SNL series are one of its biggest competitive advantages. It not only eliminates the health and safety hazards caused by volatile organic compounds (VOCs), but also has a "non-irritating" characteristic.
2. Main Model Performance Characteristics and Application Areas
2.1 SNL-511A Anionic Chloroprene Latex
SNL-511A (Neoprene 842A) is a gel-type anionic chloroprene latex with a slower crystallization rate, easy spraying, good flame retardancy, and wide material compatibility. It can be used alone or in combination with natural latex or other synthetic latexes to replace some natural latex applications. Its main application characteristics include:
Fast-setting spraying application: It can be used in black asphalt waterproof coating systems, suitable for waterproofing and seepage prevention in water plants, pools, sewage tanks, underground foundation treatment, tunnel and subway construction, roofs, balconies, etc.
Engineering Applications: Waterproof coatings for roads, water conservancy projects, canals, subways, etc.; seepage-proof coatings for reservoirs, underground landfills, etc.; corrosion protection and waterproofing for roof steel structure panels.
Industrial Applications: Suitable for industrial coatings, impregnated products, composite material adhesives, and can also be used as a bonding substitute for sponge products.
SNL-511A's flame retardancy, sprayability, and wide-range adhesion make it a commonly used variety in engineering waterproofing and industrial protective materials.
2.2 SNL-5042 Anionic Neoprene Latex
SNL-5042 (Denka Neoprene 750) is characterized by strong initial tack, fast bonding speed, high bond strength, good storage stability, no need for solvents, non-toxicity, ozone resistance, oil resistance, chemical corrosion resistance, and excellent flame retardancy. Its main applications include:
Water-based adhesive systems: Footwear materials, flooring, PVC flooring, foam, mattresses, fiber cloth, aluminum foil, glass cloth, etc.
Building materials: Bonding of cement, mortar, adhesive mortar, etc., improving the durability and bond strength of the construction site.
Transportation and Industrial Products: Adhesive materials for industries such as railway vehicles, automobiles, furniture, and electronic components.
This model's fast-drying and strong adhesion characteristics make it particularly suitable for high-efficiency assembly and rapid construction scenarios.
2.3 CRL-50KL Cationic Neoprene Latex
CRL-50KL (Denka Neoprene 571) is a cationic latex with positively charged emulsion particles, thus maintaining stability and preventing aggregation even in environments containing Ca²⁺ and Na⁺. Key features include:
Excellent weather resistance: Ozone and aging resistant, suitable for long-term exposure environments.
Good film-forming properties and high strength: Dense and high-strength film, suitable for structural applications such as waterproofing, corrosion protection, and bonding.
Compatible with various substrates: Strong affinity for materials such as cement, fiber, steel, wood, and fiberglass.
♠ Main applications include:
Modified bitumen waterproofing materials, rigid waterproofing layers, ship deck coatings, etc.
Fiber impregnation, bonding mortars, wood protection, and fiberglass product treatment, etc.
Applications include fire-retardant materials, corrosion-resistant coatings, and structural surface reinforcement.
The salt resistance and high adhesion of cationic systems make them widely applicable in cement, steel, and composite materials.
3. Packaging, Appearance, and Transportation/Storage Requirements
Neoprene latex products are typically white or off-white emulsions. According to available data, the SNL and CRL series products are mostly packaged in 1100 kg ± 2 kg plastic drums for easy transportation and large-scale application.
Transportation and storage requirements include:
Maintaining a well-ventilated and dry environment during storage and transportation, avoiding direct sunlight and high temperatures.
Recommended storage temperature: 5–30℃; if the storage temperature is below 23℃, the shelf life of the product is 6 months from the date of production.
Avoid damaging the packaging and keep it sealed to prevent impurities from entering and affecting stability.
These storage and transportation requirements ensure that the emulsion remains uniform, non-gelling, and non-stratified before use, guaranteeing the safety and consistency of application and processing.
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