Insoluble resin and rubber dissolution | Contract services for high-viscosity stirring and special solvent support

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last updated：Mar 13, 2026

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Are you struggling with the occurrence and precipitation of lumps? With our unique stirring process and solvent selection know-how, we provide resin varnishes and rubber adhesives of stable quality.

Our company specializes in the dissolution processing of rubber and resin (plastic) using organic solvents (hazardous materials category 4) and provides OEM services. ■ Feature 1: Small batch and spot production are acceptable Dissolution processing can be done from a minimum of 50L to a maximum of 3,000L, allowing us to produce only the necessary amount of specified formulation solution. * High-viscosity solutions can also be stirred (up to 60,000 mPa·s). We respond to needs such as: "I have a small demand but want to continue producing," "I want to produce a small amount on a spot basis as we are in the development stage," "I want to create a production record just once for BCP considerations." ■ Feature 2: Efforts to prevent contamination Generally, it is said that cleaning the interiors of mixing tanks for hazardous materials is difficult, but our tanks can be disassembled after each product change to remove residues adhering to the inner walls and blades (for tanks under 200L). * For more details, please download the PDF or feel free to contact us. TEL: 048-723-8821 (Contact: Arai) e-mail: kazuhiro.arai@chuo-jushi.com

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Applications/Examples of results

The applications of the requested solvent are various, including "varnish," "paint," and "adhesives," and they are widely used in automobiles, electrical and electronic components, and building materials. 〇 Examples of solvents handled: Toluene, acetone, hexane, ethyl acetate, alcohol Methylene chloride (dichloromethane) MEK, cyclohexanone (anon), butyl acetate MCH, DMF, NMP (pyrrolidone), etc. 〇 Examples of rubber and resin handled: BR (polybutadiene): JSR CR (chloroprene): Neoprene, Denka chloroprene, Showprene, Skyprene IIR (butyl): JSR, LANXESS NR (natural rubber): pale crepe, RSS NBR (acrylonitrile-butadiene): Nipol SIS (styrene-isoprene block copolymer): Quintac, Clayton, S.O.E. SBR (styrene-butadiene): Asaprene SBS (styrene-butadiene-styrene block copolymer): Toughprene PIB (polyisobutylene): Opanol, Tetrak CSM: Hypalon, TOSO-CSM AEM: Baymac FKM (fluoro rubber): Viton Polyester resin: Eryther, Byron

Detailed information

To prevent accidents involving hazardous materials, all of our mixing equipment is designed with "explosion-proof construction" and is "20-gallon tanks."
Even for small-scale or spot production, hazardous materials incur costs such as inventory and disposal expenses if produced in excess. To manufacture only the necessary amount tailored to demand, you can choose from stirring tanks ranging from a minimum of 50L to a maximum of 3,000L.
Our specially designed mixing kettle can be disassembled for each product change to remove residues attached to the inner walls and blades (for kettles under 200L).
Our specially designed stirring kettle can be disassembled for each product change to remove residues attached to the inner walls and blades (for kettles under 200L).