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2017

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Brief introduction of epoxy vinyl resin commonly used in anti-corrosion engineering


Brief introduction of epoxy vinyl resin for anticorrosion engineering

 

Wuhan University of Technology Development Co., Ltd. is the general agent of Taiwan Shangwei Company in Hubei, and the general agent of Zhenjiang Lider Gel Coat in Hubei. It sells all kinds of epoxy vinyl resins, gel coats, and fiberglass raw materials. This article focuses on the introduction of vinyl resin commonly used in anti-corrosion engineering. This article mainly focuses on the performance and parameters, as well as the scope of use, the advantages and disadvantages of products, and the process flow in the process of anti-corrosion, A brief introduction is given to the precautions. For details, please call the GRP raw material sales hotline 027-87290637/13871004406 (General Manager Liu).

SWANCOR 901-200 is a low viscosity universal standard vinyl resin (Vinylester), which has excellent mechanical properties and processing characteristics, and can show excellent corrosion resistance in most acid, alkali and salt environments; It is suitable for hand lamination, winding processing, pultrusion molding and various anti-corrosion engineering of lamination lining and chemical tank, pipeline.

Appearance: brown clear liquid

Viscosity: 200 ± 100cps (LVT # 3-60rpm/25 ℃)

Gelation time: 15-25 minutes (55% MEKPO: 1.2%, 6% octanoic acid drill 0.4%, 100% DMA: 0.05%, temperature: 25 ℃

Shelf life: 6 months (below 25 ℃)

(1) 3.2mm pure resin cast plate

Tensile strength: 75-97 MPa (ASTM D 638)

Tensile modulus: 3.3-3.6 GPa (ASTM D 638)

Elongation: 5.0-6.0% (ASTM D 638)

Bending strength: 115-140 MPa (ASTM D 790)

Bending modulus: 3.1-3.4 GPa (ASTM D 790)

Hot deformation temperature: 102-105 ℃ (ASTM D 648)

Hardness: 30-38 (Barcol ASTM D 2583)

Packaging, storage, and operation

1. SWANCOR 901-200 is packed in 55-gallon iron drums, each weighing 200kg and 5-gallon round drums, each weighing 20kg.

2. Please store in a cool place and avoid direct sunlight.

3. Flammable liquid, keep away from ignition source.

Other instructions Other instructions

(1). The above standard specifications are suitable for manual lamination, winding processing, pultrusion molding, and other products, such as SWANCOR 901-200T or SWANCOR 901-200P with promotion dosage form Various specifications can be supplied in large quantities according to customer requirements.

(2). SWANCOR 901-200 is a reactive resin. It should be stored in a cool place. If it is stored for too long, the bottle cap can be opened to inject air to extend its storage time.

(3). The gelling characteristics of SWANCOR 901-200 are affected by weather, temperature, hardener content, accelerator content and additives. Before changing the operating formula, it is advisable to test its gelling time in a small amount to facilitate processing.

SWANCOR 901-FLS is made of vinyl ester resin and glass flakes. It has excellent chemical resistance and mechanical properties, and is suitable for spraying construction; SWANCOR 901-FLS has the following advantages:

1. It can withstand most acid, alkali and salt solutions.

2. Very low permeability to water vapor and water.

3. Excellent adhesion with substrate.

4. Normal temperature hardening resin can shorten working hours.

5. It has excellent mechanical properties, weather resistance and heat resistance.

Specifications

Type: Vinyl ester resin and chemical resistant glass flake (C-TYPE)

Viscosity: 1500~3000 cps (LVT # 4-60 rpm/25 ℃)

Gelation time: 40~80 min (55% MEKPO 1% at 25 ℃)

Shake value:>3.5

Density: about 1.3 kg/l

Shelf life: 6 months (at 25 ℃)

Mechanical properties

Water vapor permeability:<4.5x10 - 6 g/hr. cm 2 (ASTM E96)

Tensile strength: 40 MPa (ASTM D638)

Bending strength: 62 MPa (ASTM D790)

Compressive strength: 62 MPa (ASTM D695)

H . D . T . :> 100℃                         (ASTM D648)

Bonding strength with iron material:>150 kg/cm 2 (ASTM D1002)

Use SWANCOR 984-M as primer

Wear resistance test:<120mg (load: 1000g; 1000rpm) (ASTM D4060)

<70 mg (load: 1000 g; 1000 rpm) (GB/T1768-79 (89))

usage method

1. Structure

concrete:

Pretreatment

SWANCOR CP95 (primer)

First floor SWANCOR 901-FLS

First floor SWANCOR 901-FLS

SWANCOR 901 surface coating

Metal iron:

Pretreatment

SWANCOR 984-M (primer)

First floor SWANCOR 901-FLS

First floor SWANCOR 901-FLS

SWANCOR 901 surface coating

2. Substrate surface treatment

A. Iron material: sandblasted to Sa 2 1/2 (near white)

B. Concrete: water content is less than 8%, and the surface must undergo complete acid corrosion treatment or sand blasting.

Packaging, storage and operation

1. SWANCOR 901-FLS is packed in 55-gallon lined open iron drums of 200Kg each, or in 5-gallon round drums of 20Kg each.

2. Please store in a cool place and avoid direct sunlight.

3. SWANCOR 901-FLS contains organic solvent (styrene) and must be kept away from ignition sources.

Other instructions

(1). The above are the standard specifications, and others include the promotion dosage form SWANCOR 901-FLSP All specifications are available according to customers

Require a large supply; The storage life of SWANCOR 901-FLSP will be shortened by adding accelerant. SWANCOR 901-FLSP must be used up within 2 months.

(2) . The gelling characteristics of SWANCOR 901-FLS are affected by weather, temperature, hardener content, accelerator content and additives. Before changing the operating formula, it is advisable to test its gelling time in a small amount to facilitate processing.

SWANCOR 907-FLS is made of Novolac vinyl ester resin and C-type glass flakes. It has excellent chemical resistance, high temperature corrosion resistance and mechanical properties, and is suitable for spraying construction; SW907-FLS has the following advantages:

1. It can withstand most acid, alkali and salt solutions.

2. Very low permeability to water vapor and water.

3. Excellent adhesion with substrate.

4. Normal temperature hardening resin can shorten working hours.

5. It has excellent mechanical properties, temperature resistance and heat resistance.

Specification and type: Novolac vinyl ester resin and chemical resistant glass flake (C-TYPE)

Gelation time: 40~60 min (80% CHP 1 phr at 25 ℃)

Viscosity: 1500-3000 CPS

Shelf life: 6 months (at 25 ℃)

Mechanical properties

Water vapor permeability:<4.5x10 - 6 g/hr. cm 2 (ASTM E96)

Tensile strength: 31Mpa (ASTM D638)

Bending strength: 58Mpa (ASTM D790)

Compressive strength: 60Mpa (ASTM D695)

H . D . T . :  >130℃  (ASTM D648)

Bonding strength with iron material>100 kg/cm 2 (using SWANCOR 917 as primer) (ASTM D1002)

Wear resistance test:<120mg (load: 1000g; 1000rpm) (ASTM D4060)

<70mg (load: 1000g; 1000rpm) (GB/T 1768-79 (89))

Thermal expansion coefficient: 2.5 × 10 -5 /℃

Chemical resistance

 

Chemical name Concentration Upper limit of service temperature
(℃)
hydrochloric acid

20%

100

36%

75

nitric acid

20%

50

sulphuric acid

25%

90

50%

90

70%

40

sodium hydroxide

ALL

38

Saturated salt water

-

90

Ammonium hydroxide

20%

60

distilled water

100%

90

crude oil

100%

110

gasoline

100%

70

methanol

100%

35

benzene

100%

35

toluene

100%

49

xylene

100%

49

 

*For other chemical resistance characteristics, please refer to the chemical resistance characteristics table of SWANCOR 907.

usage method

1. Construction procedure

concrete:

Pretreatment

SWANCOR CP95 OR SW 917 (primer)

First floor SWANCOR 907-FLS

First floor SWANCOR 907-FLS

SWANCOR 907 (top coat)

Metal iron:

Pretreatment

SWANCOR 984-M OR SW 917 (primer)

First floor SWANCOR 907-FLS

First floor SWANCOR 907-FLS

SWANCOR 907 (top coat)

2. Surface treatment

A. Iron material: sandblasted to Sa2 1/2 (near white)

B. Concrete: water content is less than 8%, and the surface must undergo complete acid corrosion treatment or sand blasting.

Packaging, storage and operation

1. SWANCOR 907-FLS is packed in 55-gallon lined open iron drums of 200Kg each, or in 5-gallon round drums of 20Kg each.

2. Please store in a cool place and avoid direct sunlight.

3. SWANCOR 907-FLS contains organic solvent (styrene) and must be kept away from ignition sources.

Other instructions

1. The above are the standard specifications, and others include the promotion dosage form SWANCOR 907-FLSP Various specifications can be supplied in large quantities according to customer requirements; The storage life of SWANCOR 907-FLS will be shortened by adding accelerator. SWANCOR 907-FLSP must be used up within 4 weeks.

2. The gelling characteristics of SWANCOR 907-FLS are affected by weather, temperature, hardener content, accelerator content and additives. Before changing the operating formula, it is advisable to test its gelling time in a small amount to facilitate processing.

3. SWANCOR 907-FLS should use CHP hardener to avoid spontaneous air bubbles due to its high shake and viscosity. When mixing hardener, a large amount of air must also be avoided.

SWANCOR 977-S is a high-performance vinyl ester resin with excellent solvent resistance characteristics, such as resistance to EDC, DMF, chlorobenzene, benzene, and other highly soluble solvents, as well as excellent high temperature physical properties, which still has good performance at 200 ℃.

Specification and appearance: light yellow transparent liquid

Viscosity: 750 ± 150cps (LVT # 3-60rpm/25 ℃)

Solid content: 71.5 ± 2.0%

Specific gravity: 1.08 ± 0.02

Gelation time: 25-35 minutes

(55% MEKPO: 2.0%, 6% cobalt octanoate: 0.4%, 100% DMA: 0.05%, temperature: 25 ℃)

Shelf life: 6 months (below 25 ℃)

Physical properties

(1) 3.2mm cast plate (hardening condition: 24 hours at room temperature, 2 hours after 120 ℃)

Tensile strength: 62-76 MPa (ASTM D 638)

Tensile modulus: 3.5-3.8 GPa (ASTM D 638)

Elongation: 1.5-2.5% (ASTM D 638)

Bending strength: 90-120 MPa (ASTM D 790)

Bending modulus: 3.8-4.2 GPa (ASTM D 790)

Hot deformation temperature: 205-210 ℃ Note (1) (ASTM D 648)

Volume shrinkage: 9.0-10.0% (ASTM D 2566)

Hardness: 45-55 (Barcol ASTM D 2583)

Note (1): hardening at room temperature for 24 hours, hardening after 200 ℃ for 24 hours

Hardening system

The room temperature hardening system used by SWANCOR 977-S is available:

(1) MEKPO/cobalt octanoate

(2) SWANCOR C-type hardener/cobalt octanoate

(3) When the operating system temperature is low, it is recommended to use SWANCOR 1300 accelerator to help SWANCOR 977-S harden, and to reduce the exothermic temperature to reduce hot cracking, SWANCOR C hardener/cobalt octanoate system should be used for hardening.

Packaging, storage, and operation

1. SWANCOR 977-S is packed in 55-gallon iron drums, each weighing 200 kg, and 5-gallon iron drums, each weighing 20 kg.

2. SWANCOR 977-S is a reactive resin, which should be stored in a cool place. If it is stored for too long, the bottle cap can be opened to inject air to extend its storage time.

3. The gelling time of SWANCOR 977-S is mainly affected by the content of accelerator, the concentration of hardener and the temperature. Because the difference of hardener, humidity, pigment filler and other additives will affect the hardening characteristics, it is recommended that when using this product, the operator should first test the hardening characteristics in a small amount under the operating conditions set by himself.