Sopping Sponge

Material of sopping sponge:PVA,PU,PP,etc.

1.PVA sopping sponge:

Application: wet sopping roller for circuit board
Characteristics: good moisture absorption, heat resisting up to 60℃
The product is popular in PCB industry with its wide application and low price.

2.PU sopping sponge:

Application: the dried front part of roller of printing circuit board equipment
Characteristics: not dry and hard, heat resisting up to 120℃, good moisture absorption, pliable and tough and friction resisting
The product needs no water to keep wet. Its roller is not dry and hard but remains elastic. Moreover, its service life is five times than similar products and can increase the productivity by 6-8 M/min. The sponge is also chemical resistant (10% respectively for copper chlorine, nitric acid and hydrochloric acid).

3.PP sopping sponge:

Application: chemical liquid resistant roller inside etching trough
Characteristics: chemical liquid resistant (30% respectively for sodium hydroxide, hydrochloric acid and sulphuric acid, 20% for nitric acid).
The product is especially for chemical liquid resistant rollers in the etching section, which is to prevent erosion of the roller and the liquid deteriorating and flowing out.

Place of Origin:	China|
Package:	in cartons
Delivery Time:	15