Quzhou Derui Chemical Co., Ltd.

Refrigerant gas R134a R22

1.High Purity 99.9% min. 2.Good quality in competitive price 3.OEM is accepted; 4.CE/DOT approved; Refrigerant gas R134a ,1,1,1,2-Tetrafluoroethane ,used in auto air condition,refrigerator,central air-condition.R-134a has been widly used as refrigerant in car ,super-market...

high quality silicon metal powder

1.size is 40-325 mesh and could be customrized; 2.produced by our own factory 3.with competitive price silicon powderCharacteristics:Silicon metal is also called industrial silicon or crystalline silicon . It is dark gray . Its point is high , heat performance, excellent...

Mixed refrigerant gas R404a

1.High Purity 99.8% min. 2.Good quality in competitive price 3.OEM is accepted; 4.SGS/CE/DOT approved; Refrigerant Gas R404 a R-404A is a blend refrigerant of HFC125, HFC-134a and HFC-143. It is a long term substitute for R502,mainly used in...

silicon metal 441

1.grade:441,553,2202,3303,411,421; 2.competitive price with good quality; 3.specizling in silicon metal; Apperance:Dark grayPhysical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect.Particle Size: (10-100)mm.Composition...

Silicon Powder 40-325 mesh

1.size is 40-325 mesh and could be customrized; 2.produced by our own factory 3.with competitive price silicon powderCharacteristics:Silicon metal is also called industrial silicon or crystalline silicon . It is dark gray . Its point is high , heat performance, excellent...

silicon metal 553

1.grade:553,441,2202,3303,411,421; 2.Packing:1000kg/bag 3.high quality with competitive price Apperance:Dark grayPhysical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect.Particle Size: (10-100)mm.Composition Analysis...

high quality silicon metal

1.grade:441,553,2202,3303,411,421; 2.competitive price with good quality; 3.specizling in silicon metal; Apperance:Dark grayPhysical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect.Particle Size: (10-100)mm.Composition...

Benzyl bromide, 1-Bromophenylmethane

1.CAS No.:100-39-0 2.Purity: 98% Min 3.Packing: 250kgs plastic drum 4.Used in Organic Synthesis Product Name:Benzyl BromideCAS No.:100-39-0Appearance:Colorless or Slightly Yellow LiquidPurity:98% MinUN No.:1737 6.1/PG 2Usage:Used in Organic SynthesisPacking:250kgs plastic...

Benzyl bromide

1.CAS No.:100-39-0 2.Purity: 98% Min 3.Packing: 250kgs plastic drum 4.Used in Organic Synthesis Product Name:Benzyl BromideCAS No.:100-39-0Appearance:Colorless or Slightly Yellow LiquidPurity:98% MinUN No.:1737 6.1/PG 2Usage:Used in Organic SynthesisPacking:250kgs plastic...

Hexamethyldisiloxane

1. purity:99% min; 2. packing : 150kg steel drum 3. competitive price and high quality Product identificationChemical Name: Hexamethyldisiloxane Synonyms: HMDSO; Hexamethyl Disiloxane; MM CAS : 107-46-0EINECS : 203-492-7 Molecular formula :...