Epoxy Resin for Oil Pipeline

May 04, 2024

Model NO.: 323
Appearance: Colorless Transparent Liquid
Trademark: utek
Transport Package: Drum
Specification: A Grade Quality
Origin: China
HS Code: 35069120
Epoxy Resin For Winding Pipe is specially developed for pipe winding. It has low mix viscosity, g ood impregnation with fiber. The laminate has good tenacity, acid and alkali resistan ce, heat resistance, and mechanical performance. It's suitable for pipe winding and a ccessories, also can be used for infusion.
323A epoxy resin
 
Character:
Features Unit Index Test method
Appearance - Colorless transparent Visual
liquid
Viscosity 25ºC mPa.s 11000-15000 ASTM D2196
Proportion 25ºC g/cm3 1.16 ASTM D792
Non-volatile portion % ≥99 ASTM D1579

323B-1(curing agent)
 
1.Character:
Features Unit Index Test method
Appearance - Brown liquid Visual
Viscosity 40ºC cps 5000~9000 ASTM D2196
Proportion 20ºC g/cm3 1.18 ±0.01 ASTM D792
Non-volatile portion % 100 ASTM D1579
Mixture ratio(PHR) weight 30 -
2.Technological parameter      
The initial mixture viscosity cps/40ºC 3000~5000 ASTM D2196
Operating time 100g/ 25ºC hrs 1~1.5 GB12007.7-1989
3.After curing performance      
Curing conditions -- 80ºC*2h+160ºC*2h Test method
Glass transition temperature ºC 155~165 ISO 11357
Hardness shore D 85~90 ASTM D2240
The bending strength kgf/cm2 820~900 ASTM D790
Bending elasticity rate kgf/cm2 75000~80000 ASTM D790
Tensile strength kgf/cm2 600~650 ASTM D638

 
 
323B-2
 
1.Character:
Features Unit Index Test method
Appearance - Brown liquid Visual
Viscosity  25ºC cps 100~300 ASTM D2196
Proportion 20ºC g/cm³ 1.18±0.01 ASTM D792
Non-volatile portion % 100 ASTM D1579
Mixture ratio (PHR) weight 50 -
2.Technological parameter      
The initial mixture viscosity cps/25ºC 1300~2000 ASTM D2196
Operating time mins 35~40 GB12007.7-1989
3.After curing performance      
Curing conditions   80ºC*2h+130ºC*2h Test method
Glass transition temperature ºC 110~120 ISO 11357
Hardness shore D 85~90 ASTM D2240
The bending strength kgf/cm² 700~800 ASTM D695
Bending elasticity rate kgf/cm² 760~840 ASTM D790
Tensile strength kgf/cm² 450~520 ASTM D638
Bibulous rate23ºC 24H % <0.2 ISO 175-2000

 
 
323B-3
 
1.Character:
Features Unit Index Test method
Appearance - Brown liquid Visual
Viscosity 25ºC cps 100~300 ASTM D2196
Proportion 20ºC g/cm³ 1.18±0.01 ASTM D792
Non-volatile portion % 100 ASTM D1579
Mixture ratio (PHR) weight 50 -
2.Technological parameter      
The initial mixture viscosity cps/25ºC 1300~2000 ASTM D2196
Operating time hrs 6~7 GB12007.7-1989
3.After curing performance      
Curing conditions   80ºC*2h+140ºC*2h Test method
Glass transition temperature ºC 110~120 ISO 11357
Hardness shore D 85~90 ASTM D2240
The bending strength kgf/cm² 700~800 ASTM D695
Bending elasticity rate kgf/cm² 760~840 ASTM D790
Tensile strength kgf/cm² 450~520 ASTM D638
Bibulous rate23ºC 24H % <0.2 ISO 175-2000
 
4.Use and curing process:
A.Preparation: molding with cloth or blanket, to advance after surface treatment, as far as possible choose after pretreatment of fiber reinforced material, no matter what kind of fiber and metal products, before use must keep dry, don't be stained with oil. 
B.mixture: mix 323A epoxy resin with 323B curing agent in the correct proportion(weight ratio), 323A epoxy resin(suggest 40 ºC for one hour to preheat in 
winter), please hold the agitator in vertical when stirring, stir the mixture for 2-3mins in the same direction like clockwise (or counterclockwise), to minimize the stir the air into the mixture.
 
Note: mixture must be stirred very well at the bottom of the container and the edge, otherwise some place will not be cured.
 
Please use the mixture within the suitable time. Note the suitable time will be reduced along with the temperature rising. The operating time in summer is the half . The operating time of the drippy mixture when winding will be shorten.
 
please returned immediately and used up, otherwise will affect the impregnation of
the fiber.
 
C.The shaping and curing: process molding and curing as required. It can be released after cool.
 
D.Cleaning and maintenance: to clean all the tools and equipment after completion of the work every day with organic solvents such as acetone



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