意大利一级毛片-淫www-淫欧美-淫片免费-男女日日-男女上下爽无遮挡午夜免费视频

Welcome to Quzhou Zijie Trading Co., Ltd Website!

QUALITY FROZEN THE WORLD

Based on honesty, getting customers'
trust by honest business, creating value for customers with integrity

Hot Products: Industrial difluorochloromethane / R134 / R410 / liquid ammonia / methyl chloride
Home > Products
Refrigerant R32

Product standard: HG/T4634-2014 Standard compliance: HG/T4634-2014

Package:Rrfilladle steel cylinder:disposable cylinder8.15lb/3.7kg 400L, 800L, 926L, 1000L, ISO-TANK

product manual

Physical properties

Molecular weight 52.02;

Boiling point, °C -53.15;

Density (25 ° C), liquid, g / cm3 0.960;

Vapor pressure (25 ° C), MPa 1.702;    

Critical temperature, °C 78.25;   

Critical pressure, Mpa 5.808;  

Critical density, g/cm3 0.430;    

Evaporation potential at the boiling point, KJ/Kg 390.5;   

Solubility under water (25 ° C) W% 0.440;    

Specific heat (liquid 25 ° C), KJ / Kg • ° C 2.35

Safety data

Destruction of ozone potential (ODP) 0 

Global Warming Coefficient (GWP) 0.11

Quality Index

Grade Top grade First grade

Purity,%≥ 99.8 99.5 

Moisture, mg / kg ≤ 10 20  

The chemical name of R32 is difluoromethane, and the molecular formula is CH2F2. Difluoromethane is a coolant with zero ozone depletion potential. It is a gas at normal temperature and is a colorless transparent liquid under its own pressure. It is easily soluble in oil and hardly soluble in water.

Contact us
ADD:77# Changqian Road, Juhua Group Co., Kecheng District, Quzhou City, Zhejiang Province
Tel: +86-570-3053898
Contact: +86-13957036193 Li
E-mail: quzhouzhijie@foxmail.com
QQ: 284492418
Copyright(C)2019,Quzhou Zijie Trading Co., Ltd?All Rights Reserved.?Supported by?ChemNet?ChinaChemNet?Toocle
主站蜘蛛池模板: 亚洲国产成人久久精品图片 | 五月天丁香婷婷开心激情五月 | 4438x成人全国 | 波多野结衣50连精喷在线 | 日本丝瓜着色视频 | 亚洲免费一区二区 | 老子影院午夜精品欧美视频 | 亚洲欧美日韩综合一区 | 波多野结衣久久国产精品 | 亚洲国产成人va在线观看 | 大量真实偷拍情侣视频野战 | 亚洲成人三级电影 | 亚洲插插 | 国产成人乱码一区二区三区 | 青青热久免费精品视频在线观看 | 男女在线观看视频 | 色老头性xxxx老头视频 | 激情六月网 | 操美女大逼逼 | 特级毛片女人18毛片 | 天天摸天天做天天爽 | 伊人免费网 | 国产女人又爽又大 | 未满十八18周岁禁止免费国产 | 日日干视频 | 性毛片 | 高清视频免费观看 | 国产成人黄网址在线视频 | 色综合久久综合欧美综合网 | 手机在线完整视频免费观看 | 色天天天天综合男人的天堂 | 日本黄色片黄色片 | 黄网在线免费看 | 在线观看视频你懂得 | 欧洲国产精品精华液 | 欧美一级视频免费观看 | 小草影院亚洲私人影院 | 精品一精品国产一级毛片 | 99久久精品免费精品国产 | 最新国产你懂的在线网址 | 国产成人综合亚洲怡春院 |