Polyurethane resin
Specialty PU resin as plugging agent

Component:

COHSIN-3121A

WINNATE-5022B

WINCURE-5050

 

Application:

·Used as plugging agent for oil-drilling industry.

 

Advantage:

·Adjustable product portfolio upon underground temperature

·Flexible pot-life (2~6 hrs) for wide process window

·Low viscosity for pumping and pipe delivery

·Faster solidation after gelling than that of Epoxy solution

·Moderate thermal release than that of Acrylate solution

·No-foaming issue like common PU system with underground water

·Suitable for underground temperature (≤120℃)

 

Picture:

 

 

Process parameter:

Items

COHSIN-3121A

WINNATE-5022B

WINCURE-5050

Appearance

-

-

-

Viscosity@25

-

-

-

Material temperature

-

Mold temperature

-

Room temperature

-

Impregnting temperature

-

Weight ratio for mixing

-

Non-bubble mixer

-

Pot life

hours pot life under 120, containing much water inside

Gelling time

-

Curing

-

Non-tacky time

-

 

Typical property:

Items

COHSIN-3121A

WINNATE-5022B

WINCURE-5050

Hardness

-

Tensile/Elongation

-

Tear

-

Adhesive strength

-

Compression strength

>100 MPa

Bending strength

-

Adhesion strength (via pull & shear)

Al/Al

-

PET/PET

-

PC/PC

-

PMMA/PMMA

-

PVC/PVC

-

Nylon/Nylon

-

PP/PP

-

 

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