What Is Duct Sealant?

Special sealing adhesive for PVC pipes is mainly used for sealing PVC pipes, but also for other PVC products.

Special sealing adhesive for PVC pipes

Right!
Special sealing adhesive for PVC pipes is mainly used for sealing PVC pipes, but also for other PVC products.
Chinese name
Special sealing adhesive for PVC pipes
Alkyd resin
40
Propanone
450
Light calcium carbonate
1400 1600
(1) Raw materials and formulas [1]
Material ratio / mass ratio Material ratio / mass ratio
Perchloroethylene resin 1 () 0 Butyl acetate 340
Polyvinyl chloride resin 50 Dibutyl phthalate 20
(2) Preparation method
Put the weighed perchloroethylene resin and polyvinyl chloride resin into the dissolution tank, add acetone and butyl acetate, stir to fully swell and dissolve the resin, and then add alkyd resin and dibutyl phthalate The adhesive is modified. After stirring, the light calcium carbonate is added to adjust the viscosity of the adhesive. It is sent to a three-roller mill to be fine and uniform, and the finished product is obtained.
(3) Application
It is mainly used for sealing PVC pipes, and can also be used for bonding and sealing other PVC products.

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