Overview
Provided that compounds are are appropriately formulated and processed, the resulting vulcanizates demonstrate excellent resistance to environmental factors such as weather and ozone. Additionally, they exhibit strong resistance to aging, hot air, and various chemicals, as well as adequate resistance to oils and gasoline. Furthermore, these materials possess favorable mechanical and physical characteristics, along with notable abrasion resistance.
Applications
Products created from precisely formulated CR compounds are appropriate for various applications, including moldings and extrusions, reinforced hoses, roll covers, conveyor belts, air spring bellows, cable insulation, thermal insulation, sponge rubber, corrosion-resistant coatings, protective sheathing, fabric treatments, and footwear such as boots.
Package
Packed in plastic drum or bag
Storage
This product must be stored and transported in a well-ventilated and dry environment, with the packaging remaining undamaged and shielded from light and sunlight.
Neoprene Latex Product Summary:
|
Grades |
Main categories |
Solid Content(wt.%) |
Viscosity(mPa.s) |
Surface Tension(N/m*10-3) |
PH |
Density(g/cm3) |
|
Anionic Chloroprene Latex |
50±1.5 |
10-40 |
≤40 |
≥12 |
≥1.10 |
|
|
Anionic Chloroprene Latex |
50±1.5 |
10-40 |
≤45 |
≥12 |
≥1.10 |
|
|
Cationic Chloroprene Latex |
50 |
10-35 |
20-40 |
/ |
1.100 |
Synthetic chloroprene rubber Product Summary:
|
Grades |
Density |
Specific Heat |
Volume Resistance |
Crystallization Rate |
Volatiles(wt.%) |
Ash(wt.%) |
|
1.23 |
2.18 |
109 ～1012 |
Medium |
≤0.8 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Medium |
≤0.8 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Medium |
≤0.8 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤0.8 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤1.3 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤0.8 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤0.8 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤1.3 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤1.3 |
≤1.0 |
|
|
1.23 |
2.18 |
109 ～1012 |
Fast |
≤1.3 |
≤1.0 |
Overview Polyvinyl alcohol (PVA for short), organic compound, white flake, flocculent or powdered solid, non-toxic, tasteless, pollution-free, can be dissolved in 80--90 °C water. Slightly soluble in dimethyl sulfoxide. Its aqueous solution has good adhesion and film-forming properties; It has chemical properties such as esterification, etherification and acetalation of long-chain polyols. It is a water-soluble polymer with a wide range of uses, its performance is between plastic and rubber, and its uses can be divided into fiber and non-fiber two major uses.
Overview VAE emulsion is short for ethylene acetate-ethylene copolymerization emulsion, which is a polymer emulsion made of ethylene acetate and ethylene monomer as the basic raw materials and other auxiliary materials through emulsion polymerization.Ethylene and vinyl acetate copolymer is the most important product of ethylene copolymer, generally referred to as EVA. According to the different contents of ethylene acetate, the copolymers of ethylene and ethylene acetate were divided into EVA resin, EVA rubber and VAE emulsion.Products containing less than 40% vinyl acetate are EVA resins. Products with a vinyl acetate content of 40%～70% are flexible and elastic, so they are also called EVA rubber. Products with ethylene acetate content in the range of 70%～95% are usually in the emulsion state, called VAE emulsions.
Overview Modified polyvinyl alcohol (PVOH) is graded according to different degrees of polymerization, hydrolysis and copolymerization monomers. The modification of PVA is mainly to use the double bonds, ester groups and the chemical activity of the hydroxyl group after alcoholization of vinyl acetate to change the side chain group or structure, and introduce other monomers to become copolymers dominated by PVA.
Overview Water soluble PVA fiber is a kind of PVA fiber made from polyvinyl alcohol through wet spinning, heat treatment and crimping-oiling in water at normal temperature. It is good in dry heat stability, physical and mechanical properties. The remarkable characteristic is its total dissolving in water at a range of temperature. This kind of PVA fiber is mainly used in Textile industry for making the yarn and cotton.
Overview PVA high strength and high modulus fiber takes polyvinyl alcohol as its major raw materials. It has good prosperities such as high modulus, high strength, alkali and acid resistance, heat resistance, anti-crack, anti-infiltration and so on. High strength and high modulus PVA fiber also has good compatibility with cement and other macromolecule material and can prevent the microcrack caused by plastic shrinkage of the concrete.
Overview Vinyl Acetate Monomer (VAM) is a colorless flammable liquid with sweet ether flavor. Melting point -93.2 °C, boiling point 72.2 °C, 47 °C (40kPa), 9 °C (6.827kPa), -18 °C (1.33kPa), relative density 0.9317, refractive index 1.3953, flash point (open cup) -1 °C. There are several different raw materials such as acetylene method, ethylene method, acetaldehyde acetic anhydride and so on. The route of ethylene raw materials is different according to the process, and there are different methods such as ethylene gas phase method and ethylene liquid phase method.
Overview EVA is a thermoplastic copolymer manufactured through the free radical polymerization of ethylene and vinyl acetate in the presence of initiating agents using the high-pressure bulk polymerization process. EVA's properties vary dramatically from one product to another depending on the content of vinyl acetate in the macromolecule. EVAs with different properties are used for different purposes.
Overview Dispersible polymer powder is a modified emulsion powder obtained by spray drying of a binary or ternary copolymer of vinyl acetate and tertiary vinyl carbonate-VeoVa or ethylene or acrylate, which has good redispersibility, redispersed into an emulsion when in contact with water, and its chemical properties are exactly the same as the initial emulsion.
Overview Polyvinyl butyral（PVB for short） is the product of acid catalysis of polyvinyl alcohol and butyraldehyde. Because PVB molecules contain long branched chains, they have good compliance, low glass transition temperature, and high tensile strength and impact strength. PVB has excellent transparency, good solubility, good light resistance, water resistance, heat resistance, cold resistance and film formation. It has high adhesion to materials such as glass and metal (especially aluminum). Therefore, it has been widely used in the manufacture of laminated safety glass, adhesives, ceramic paper, aluminum foil, electrical materials, FRP products, fabric treatment agents and other fields, and has become an indispensable synthetic resin material.
Overview Polyvinyl acetate multipurpose white glue series adopts the latest process and formula to produce water-based adhesives, which have the advantages of high adhesion, fast curing and easy brushing, which effectively solves the problem of low bonding strength and long curing time of white glue, and has good water resistance and moisture resistance after curing.
Overview Polyvinyl alcohol film is made of polyvinyl alcohol as the main component, adding additives such as modifiers, and processed by special technology. PVA film is a green functional material that can be degraded into carbon dioxide and water by microorganisms in the soil in a short time which has the effect of improving land conditions.
Overview PolyVinyl Butyral Film(PVB film) is also known as PVB interlayer.Its essence is a thermoplastic resin film, which is produced from PVB resin plus plasticizer. Since it is produced from plastic resin, it has the characteristics of recyclable processing and reusability.The appearance is translucent film, no impurities, smooth surface, with a certain roughness and good softness, with the adhesion of inorganic glass, transparent, heat resistance, cold resistance, moisture resistance and high mechanical strength characteristics.
Overview Provided that compounds are are appropriately formulated and processed, the resulting vulcanizates demonstrate excellent resistance to environmental factors such as weather and ozone. Additionally, they exhibit strong resistance to aging, hot air, and various chemicals, as well as adequate resistance to oils and gasoline. Furthermore, these materials possess favorable mechanical and physical characteristics, along with notable abrasion resistance.
Overview SNL-511A is a gel-like synthetic latex characterized by its gradual crystallization rate, ease of application by spraying, effective flame resistance, and versatility in bonding various materials. It has diverse applications and can be utilized independently or blended with natural latex or other types of synthetic latex.
Overview SNL-5042 latex exhibits strong initial adhesion, rapid setting time, commendable shelf stability, is non-toxic, solvent-free, and demonstrates resistance to ozone, environmental conditions, oils, chemical degradation, in addition to possessing superior flame-retardant properties.
Overview CRL-50LK cationic latex represents a highly concentrated, environmentally friendly gel-type synthetic latex synthesized via emulsion polymerization with cationic soap serving as the emulsifying agent. This latex exhibits a robust affinity for various substrates, including cement, fibers, steel, and textiles. Additionally, the rubber demonstrates exceptional resistance to aging, oils, and corrosion, alongside possessing favorable film-forming characteristics and commendable storage stability.
Overview SN-236T exhibits a significantly elevated Mooney viscosity along with a moderate crystallization rate, demonstrating superior cohesion and solubility characteristics, making it particularly well-suited for adhesive formulation. Throughout the manufacturing process, the vulcanizates retain their favorable mechanical properties, even in the presence of substantial quantities of fillers and oils.
Overview SN-238 is a versatile mercaptan-modified polychloroprene rubber characterized by a moderate rate of crystallization. A notable feature of SN-238 is its remarkable tear strength. The vulcanizates derived from this material preserve commendable properties even when subjected to high filler content or plasticization. Compounds formulated with SN-238 demonstrate robust resistance to oil, chemicals, ozone, aging, sunlight, fire, and possess commendable electrical properties.
Overview SN-239 is a multifunctional mercaptan-modified polychloroprene rubber that exhibits a moderate crystallization rate. A notable feature of this material is its exceptional tear strength, which remains impressive even under conditions of high filler content or plasticization. With its balanced crystallization rate and favorable solubility, SN-239 can effectively be utilized to modify the viscosity in adhesive formulations, thereby enhancing their thermal stability. The compounds derived from SN-239 demonstrate commendable resistance to oils, chemicals, ozone, and aging, as well as to sunlight exposure, aligning with the characteristics typical of polychloroprene.
Overview SN-240T is a general purpose, mercaptan modified polychloroprene rubber produced by emulsion polymerization. SN240T has high bond strength, good spray ability and brush ability, and a high rate of crystallization. SN-240T has a fast rate of crystallization and strong cohesive capabilities. Adhesive cements prepared with SN-240T are light in color and have excellent storage stability.SN-240T compounds exhibits good oil resistance, chemical corrosion resistance, ozone and aging resistance as well as good heat resistance qualities.
Overview SN241 exhibits a high bond strength，characterized by a rapid crystallization rate. This compound demonstrates enhanced solubility and uniformity, making it suitable for producing adhesive cements that are notably light in color and display excellent storage stability. Furthermore, SN241 is recognized for its superior bond strength, quick setting properties, and ease of application. Additionally, it shows remarkable resistance to ozone, environmental factors, oils, chemical degradation, and does not exhibit flammability, even when subject to fine extension.
Overview SN-242 is a mercaptan-modified chloroprene rubber characterized by its exceptional adhesive qualities and a notably high crystallization rate. This particular grade of polychloroprene is distinguished by a rapid crystallization process, enhanced cohesion, and commendable storage stability. It is soluble in toluene and various mixed solvents. Adhesive cements formulated using SN-242 are notable for their light color, high bonding strength, rapid grip development, and ease of application, while maintaining a long-lasting adhesion layer. Additionally, SN-242 exhibits excellent resistance to ozone, weathering, oils, chemical degradation, and fire. The material can be categorized into two variants: SN-242A and SN-242B.
Overview SN-242 is a chloroprene rubber that has been modified with mercaptan, characterized by its exceptional adhesive properties and a rapid crystallization rate. This particular grade of polychloroprene demonstrates enhanced crystallization speed, superior cohesiveness, and commendable storage stability. It can be solubilized in toluene or blended solvents. Adhesive cements formulated with SN-242 are noted for their light color, formidable bonding strength, quick-setting capabilities, and easy application, maintaining effective adhesion over extended periods. Furthermore, it exhibits robust resistance to ozone, environmental factors, oils, chemical deterioration, and fire. SN-242 is categorized into two variants: SN-242A and SN-242B.
Overview SN243 is a chloroprene rubber modified with mercaptan that exhibits remarkable adhesive strength alongside a significant crystallization rate. Additionally, SN243 demonstrates outstanding and expedited film formation capabilities, allowing the resulting films to be processed easily and safely over extended periods. Furthermore, it is soluble in toluene or various mixed solvents.
Overview SN-244X series comprises general-purpose polychloroprene rubbers, modified with sulfur and manufactured via emulsion polymerization techniques. This series exhibits a rapid crystallization rate, rendering it comparable to the CR-244 grade concerning overall functionality. The SN-244X variant demonstrates an accelerated crystallization rate, enhanced cohesiveness, and commendable storage stability, with a light color in toluene or mixed solvent applications. Compounds formulated with SN-244X display excellent resistance to oils, various chemicals, ozone, aging, as well as sunlight exposure, along with properties characteristic of fire resistance and electrical insulation typical of polychloroprene rubber.
Overview SN245 is a high-bonding strength chloroprene rubber with fast crystallization speed and strong cohesion. It belongs to the category of high viscosity and can be dissolved in toluene or mixed solvents. It has good solubility and uniformity. The prepared glue is light in color and stable in storage. It has high bonding strength, fast adhesion, easy operation, and long bonding layer retention time. It is resistant to ozone, weather, oil, chemical corrosion, and excellent non-flammability.
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