23二羟基14丁二醇检测标准

Commission Implementing Regulation (EU) 2017/62 of 14 December 2016 concerning the authorisation of 3-(methylthio) propionaldehyde, methyl 3-(methylthio) propionate, allylthiol, dimethyl sulfide, dibutyl sulfide, diallyl disulfide, diallyl trisulfide, dimethyl trisulfide, dipropyl disulfide, allyl isothiocyanate, dimethyl disulfide, 2-methylbenzene-1-thiol, S-methyl butanethioate, allyl methyl disulfide, 3-(methylthio) propan-1-ol, 3-(methylthio)

1,4 - Butanediol for industrial use

1,4-Butanediol diglycidyl ether for industrial use

Polybutylene terephthalate drawn yarns

Plastics - Glass fiber reinforced and flame retardant poly(butylenes terephthalate) compound

Polybutylene terephthalate drawn textured yarns

Light-sensitive material-Di-ester of carboxymethoxybenzophenone and polytetramethyleneglycol 250

Polybutylene terephthalate partially oriented yarns

Secondary coating materials used for optical fiber Part 1: Polybutylene terephthalate

The norm of energy consumption per unit production of calcium carbide, vinyl acetate, polyvinyl alcohol, 1,4-butanediol, dicyandiamide and monocyandiamide

Fiber grade polybutylene terephthalate chip

Technical specification for green-design product assessment—1,4-Butanediol

Poly (butylene succinate)

Commission Implementing Regulation (EU) 2017/54 of 14 December 2016 concerning the authorisation of 2-methylpropan-1-ol, isopentanol, 3,7-dimethyloctan-1-ol, 2-ethylhexan-1-ol, 2-methylpropanal, 3-methylbutanal, 2-methylbutyraldehyde, 3-methylbutyric acid, 2-methylvaleric acid, 2-ethylbutyric acid, 2-methylbutyric acid, 2-methylheptanoic acid, 4-methylnonanoic acid, 4-methyloctanoic acid, isobutyl acetate, isobutyl butyrate, 3-methylbutyl hexanoa

Poly(butylene succinate-co-butylene adipate) (PBSA) resin

Secondary coating materials used for loose tube of optical fibre-Part 1: Polybutylene terephthalate

The norm of energy consumption per unit product of 1,4-Butanediol