国产日韩欧美日韩在线|中文字幕亚洲无线码a|亚洲aⅴ久久久噜噜噜噜|韩国美女vip福利一区|熟妇无码中文字幕一区二区|91精品福利观看综合免费|天天做天天愛夜夜爽毛片毛片|AV无码精品网站在线观看免费

Product Categories
Contact us

Add: 8 Guangming Road, Chenghe Town, Xiangyang District, Xiangfan City, Hubei, China 
Contact Person: Manager Liu 
Tel: +86-710-2741666
Mobile: +86-13908679683
Fax: +86-710-2741888

ProductsYour current location is:Products >> High-purity isopentane
High-purity isopentane
High-purity isopentane

High-purity isopentane
Executive standard: Q/JBG 0002—2007
R601a
Molecular formula: C5H12
Quality standard

Item Quality index
Superior product Qualified product
Appearance Colorless transparent liquid Colorless transparent liquid
Mechanical impurities and moisture None None
Water soluble acid or alkali None None
Component of C4 and below %≦ 0.025 0.05
Isopentane%≧ 99.9 99.0
n-pentane%≦ 0.05 0.9
Heavy components of C6 and above %≦ 0.025 0.05
Copper corrosion (20℃, 3h) grade≦ 1 1
Sulphur contentw,10-6≦ 0.5 1
Acidity     w, 10-6 1 5
Residue mg/100ml 0 0.01
Bromine index mgBr/100g≦ 50 100

Physical properties:

Appearance Colorless transparent liquid with a little aromatic odor
Boiling point (101.3kpa) 27.85
Relative density (2℃)g/cm3 0.62
Flash point℃ -56
Autoignition temperature℃ 420
Explosion limits (vol) 1.4-8.3%
Fire hazard classification B

Uses: as refrigerant, or as foamer in the production process of expandable polystyrene and flexible polyurethane.
Packing: 125kg/208L galvanized iron bucket; tank car: 15T, 18T, or 30T

桂平市| 浦县| 西畴县| 容城县| 隆化县| 阜阳市| 绿春县| 连城县| 安图县| 富宁县| 洛阳市| 师宗县| 紫金县| 喜德县| 怀来县| 龙南县| 灵璧县| 腾冲县| 民县| 锦州市| 香格里拉县| 大同县| 墨江| 邓州市| 新田县| 武宣县| 大足县| 通州市| 芦山县| 鱼台县| 万宁市| 长白| 收藏| 庆城县| 东乡族自治县| 嫩江县| 安多县| 南涧| 西城区| 鹤山市| 玉环县|