Detection range:

Polyester spinning oil, anti-splash polyester DTY oil, nylon spinning oil, acrylic spinning oil, nylon/polyester POY oil, nylon/polyester FDY oil, polyester monofilament oil, high-speed spinning nylon cord oil, acrylic FDY yarn oil, spandex oil, refining agent, dye, leveling agent, softener, hair effect enhancer, polyester low-temperature dyeing carrier, substitute alkali, CT powder, chemical fiber oil, high-efficiency deboiling powder, hydrogen peroxide stabilizer, desiliconizer, foaming agent, raising agent, color recovery agent, scouring agent, dye, leveling agent, softener, hair effect enhancer, polyester low-temperature dyeing carrier, substitute alkali, CT powder, chelating dispersant, phosphorus-free environmentally friendly chelating agent, acid leveling agent, cotton leveling agent, nylon leveling agent, flat hole agent, mercerizing penetrant (mercerizing oil), chemical fiber oil (polyester oil, POY oil), High-efficiency deboiling powder, hydrogen peroxide stabilizer, silicon remover, foaming agent, soaping agent (low-foaming soaping agent, acidic soaping agent, white anti-staining soaping agent), shrinking agent, liquid wax (yarn flattening agent), finishing agent, antistatic agent, wool mercerizing agent, raising agent, stiffening agent, oxygen bleaching stabilizer, degreasing yarn agent, printing auxiliary agent, color fixing agent (formaldehyde-free color fixing agent, turquoise color fixing agent, color-changing color fixing agent, acidic color fixing agent)

Testing items

Composition analysis: qualitative and quantitative analysis, content detection; physical properties: density, viscosity, acid value, softening point, water content, free matter content, same content, hydroxyl content, recovery time, shrinkage, thermal stability, applicable period, storage period, etc.; chemical properties: acid resistance, alkali resistance, etc.; harmful substance limit: heavy metals such as lead and chromium and other harmful substances

Testing standards:

HG/T 4434 Polyester low-elastic yarn oil

FZ/T20012 Test method for washability of spinning oil

HG/T4437 Textile dyeing and finishing auxiliaries fluorine-based water-proof and oil-proofing agents

GB/T6371 Determination of detergent power of surfactant textile auxiliaries

HG/T 4261 Determination of high-temperature dispersibility of textile dyeing and finishing auxiliaries polyester leveling agents

HG/T 4262 Determination of slow dyeing performance of textile dyeing and finishing auxiliaries polyester leveling agents

HG/T4436 Determination of dyeing and decolorization of textile dyeing and finishing auxiliaries polyester leveling agents

GB/T20708-Limit and determination of some harmful substances in textile auxiliaries products

GB/T9292 Surfactant high temperature conditions test method for migration of leveling agents for disperse dyes for polyester fabrics