PVA 2488 BP гранулированный Поливиниловый alcoPVA 2488 порошок для цементного раствора обезжиренного покрытия

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Цена:1,36-1,97 $*

Количество:

  • В избранное

Описание и отзывы

Характеристики



Specification


item
value
Classification
Chemical Auxiliary Agent
CAS No.
9002-89-5
Other Names
PVA2488
MF
(C2H4O)x
EINECS No.
294-352-4
Purity
99.9%
Place of Origin
China
Hebei
Usage
Construction
Brand Name
QINGQUAN
Model Number
2488
Sample
Free(1-2 Kg)
Apperance
White Prowder
PH
6-8


Product Description


Product characteristics
PVA 2488 is a white solid, and its appearance can be divided into flocculent, granular and powdery; Soluble in hot water. Its aqueous solution has good adhesion and film forming property: film forming property:

PVA 2488 is easy to film and has excellent mechanical properties. The tensile strength of the film increases with the increase of polymerization degree and alcoholysis degree. Generally, the higher the degree of polymerization and alcoholysis, the stronger the bond strength


The role of the product.
The film made of polyvinyl alcohol 2488 has good transparency, high tensile and crack resistance, good moisture permeability and heat insulation, oil resistance, organic drug resistance and no static electricity, so it is actually used for textile packaging.
It can also be used as food packaging, pollution-free and biodegradable. In addition, it can also be compounded with polyethylene and polypropylene for instrument packaging, printing and plate manufacturing.




















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