潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Molecular Structure:

Product description:

Chemical name

N-isopropyl-N'-phenyl-p-phenylene

Chemical Structural formula

Molecular formula

C₁₅H₁₈N₂

Molecular weight

226.3

Technical Index

Item	Index
	Qualified product
Appearance	gray violet to violet brown granules
Melting point,¡æ≥	70.0
Loss on heat,% ≤	0.30
Ash ,% ≤	0.20
Assay, % ≥	95.0

Properties

gray violet to violet brown granules, Relative Density 1.14

Uses

The application ranges include pneumatic tyre, an antioxidant for natural rubber and many kinds of synthetic rubber, especially for the prevention of thermal deterioration on NBR. These goods can be used in heated vessels and the Torrid Zone.

Packing

 PE film bag lined PP woven bag or laminated kraft bag, Net wt 25kg.  

Storage

Kept in cool, dry and ventilating place, avoid direct sunlight.