Anti-corrosion Engineering Introduction to Epoxy Vinyl Resin

Wuhan University of Technology Innovation Fiberglass Technology Development Co., Ltd. is the exclusive general agent for Shangwei Corporation in Hubei Province and for Zhenjiang Lider Gelcoat in Hubei Province, selling a wide range of epoxy vinyl resins, gelcoats, and fiberglass raw materials. This article focuses on introducing the commonly used materials in anti-corrosion engineering. Vinyl resin This article provides a brief overview of fiberglass‑reinforced plastic, covering its performance and technical specifications, typical applications, product advantages and disadvantages, the manufacturing process for corrosion protection, and important precautions. For more details, please call our fiberglass raw material sales hotline. 027-87290637/13871004406 (General Manager Liu).

SWANCOR 901-200 is a low-viscosity, general-purpose standard grade. Vinyl resin (Vinyl ester) It possesses excellent mechanical properties and processability, exhibiting superior corrosion resistance in most acidic, alkaline, and saline environments. It is suitable for hand lay-up, filament winding, pultrusion, and various anti-corrosion applications, such as laminated linings, chemical storage tanks, and piping systems.

Outside Appearance: Brownish-yellow, clear liquid

Sticky Degree: 200± 100 cps (LVT #3 - 60 rpm / 25 °C )

Gelation time: 15–25 points (55%MEKPO: 1.2%, 6% Bitter and Sour Drill 0.4% ， 100% DMA: 0.05% , Temperature: 25  °C

Retention period: 6 months (25 Below ℃ )

(1) 3.2mm solid resin cast panel

Pull Tensile Strength: 75–97 MPa (ASTM D 638)

Pull Tensile modulus: 3.3–3.6 GPa (ASTM D 638)

Stretch Elongation at break: 5.0–6.0% (ASTM D 638)

Bend Flexural Strength: 115–140 MPa (ASTM D 790)

Bend Flexural modulus: 3.1–3.4 GPa (ASTM D 790)

Heat Deflection Temperature: 102-105 ℃ (ASTM D 648)

Hard Hardness: 30–38 (Barcol, ASTM D 2583)

Packaging, Storage, and Handling

1. SWANCOR 901-200 with 55 Packed in galvanized iron drums, each drum weighs 200kg And with 5 Gallon drum packaging, each drum weighs 20kg。

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

3. Flammable liquids—keep away from sources of ignition.

Other Notes Other Notes

(1). The above standard specifications are suitable for hand lay-up, filament winding, and pultrusion processes; other types include anti‑drip formulations. SWANCOR901-200T or containing an accelerator type SWANCOR 901-200-P... We can supply various specifications in large quantities according to customer requirements.

(2). SWANCOR 901-200 is a reactive resin; it should be stored in a cool, shaded location. If stored for an extended period, open the container and allow air to enter to prolong its shelf life.

(3). The gelation characteristics of SWANCOR 901-200 are influenced by weather conditions, temperature, the content of hardener and accelerator, as well as additives. Before adjusting the formulation, it is advisable to conduct small-scale trials to determine the gelation time, thereby facilitating processing.

SWANCOR 901-FLS is formulated with vinyl ester resin and glass flake, offering exceptional chemical resistance and mechanical properties, and is suitable for spray application. SWANCOR 901-FLS It has the following advantages:

1. Resistant to most acid, alkali, and salt solutions.

2. Exhibits very low permeability to water vapor and water.

3. Excellent adhesion to the substrate.

4. Room-temperature-curing resin, which can reduce working time.

5. Exhibits excellent mechanical properties, outstanding weather resistance, and superior heat resistance.

Regulation grid

Class Type: Vinyl Ester Resin and Chemical-Resistant Glass Flakes (C-TYPE)

Sticky Degree: 1500～ 3000 cps (LVT #4-60 rpm/25 °C )

glue Curing time: 40–80 mins (55% MEKPO, 1% at 25℃) )

shake Change Value: >3.5

Secret Density: approximately 1.3 kg/l

Save Deposit term: 6 months (25 at ℃ )

Mechanical properties

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

Resistance Tensile Strength: 40 MPa (ASTM D638)

Resistance Flexural Strength: 62 MPa (ASTM D790)

Resistance Compressive Strength: 62 MPa (ASTM D695)

H . D . T . : >100 °C (ASTM D648)

Bonding strength with ferrous materials : >150 kg/cm² (ASTM D1002)

Use SWANCOR 984-M is a primer.

Tolerance Abrasion test: <120 mg (load: 1000g；1000 Turn ) (ASTM D4060)

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

Instructions for Use

1. Structure

Concrete :

Pre-processing

↓

SWANCOR CP95 (primer) )

↓

First floor SWANCOR 901-FLS

↓

First floor SWANCOR 901-FLS

↓

SWANCOR 901 Topcoat

Metallic iron materials :

Pre-processing

↓

SWANCOR 984-M (Primer) )

↓

First floor SWANCOR 901-FLS

↓

First floor SWANCOR 901-FLS

↓

SWANCOR 901 Topcoat

2. Substrate Surface Treatment

a. Ferrous materials: sandblasted to At 2 1 / 2 ( Near white )

b. Concrete: Moisture content <8% , the surface must undergo complete acid etching or sandblasting.

Packaging, Storage, and Handling

1. SWANCOR 901-FLS with 55 Packed in galvanized-lined open-top iron drums, per drum 200Kg , or with 5 Gallon drum packaging, each drum weighs 20Kg。

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

3. SWANCOR 901-FLS contains organic solvents. ( Styrene ) , must be kept away from sources of ignition.

Other Notes

(1). The above are standard specifications; others, such as those containing accelerators, are also available. SWANCOR 901-FLSP... All specifications are available upon customer request.

Requires large-scale supply; SWANCOR 901-FLS, when a promoter is added, will have a shortened shelf life. SWANCOR901-FLSP Must be in 2 Use it up within one month.

(2) . The gelation characteristics of SWANCOR 901-FLS are influenced by weather conditions, temperature, the content of hardener and accelerator, as well as additives. Before adjusting the formulation, it is advisable to conduct small-scale trials to determine the gelation time, thereby facilitating processing.

SWANCOR 907-FLS is made by Novolac Vinyl ester resin of type and C-Type Formulated with glass flakes, it exhibits exceptional chemical resistance, high-temperature corrosion resistance, and excellent mechanical properties, making it well suited for spray application. SW907-FLS It has the following advantages:

1. Resistant to most acid, alkali, and salt solutions.

2. Exhibits very low permeability to water vapor and water.

3. Excellent adhesion to the substrate.

4. Room-temperature-curing resin, which can reduce working time.

5. Exhibits excellent mechanical properties, superior temperature resistance, and outstanding heat resistance.

Regulation Type: Novolac-type vinyl ester resin and chemically resistant glass flake (C-TYPE)

glue Reaction time: 40–60 min (80% CHP, 1 phr at 25°C) )

Sticky Degree: 1500–3000 CPS

Save Deposit term: 6 months (25 at ℃ )

Mechanical properties

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

Resistance Tensile Strength: 31 MPa (ASTM D638)

Resistance Flexural Strength: 58 MPa (ASTM D790)

Resistance Compressive Strength: 60 MPa (ASTM D695)

H . D . T . : >130 °C (ASTM D648)

Bonding strength with ferrous materials >100 kg/cm² (using SWANCOR 917 For primer ) (ASTM D1002 )

Tolerance Abrasion test: <120 mg (load: 1000g ；1000 Turn ) (ASTM D4060)

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

Hot Swelling ratio: 2.5× 10 -5 / °C

Chemical resistance

*For other chemical resistance properties, please refer to SWANCOR 907 Table of chemical resistance properties.

Instructions for Use

1. Construction Procedure

Concrete :

Pre-processing

↓

SWANCOR CP95 OR SW 917 (primer) )

↓

First floor SWANCOR 907-FLS

↓

First floor SWANCOR 907-FLS

↓

SWANCOR 907 (Topcoat) )

Metallic iron materials :

Pre-processing

↓

SWANCOR 984-M or SW 917 (primer) )

↓

First floor SWANCOR 907-FLS

↓

First floor SWANCOR 907-FLS

↓

SWANCOR 907 (Topcoat) )

2. Surface Treatment

a. Ferrous materials: sandblasted to Sa2 1/2 ( Near white )

b. Concrete: Moisture content <8% , the surface must undergo complete acid etching or sandblasting.

Packaging, Storage, and Handling

1. SWANCOR 907-FLS with 55 Packed in galvanized-lined open-top iron drums, per drum 200Kg , or with 5 Gallon drum packaging, each drum weighs 20Kg。

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

3. SWANCOR 907-FLS contains organic solvents. ( Styrene ) , must be kept away from sources of ignition.

Other Notes

1. The above are standard specifications; other types, such as those containing accelerators, are also available. SWANCOR 907-FLSP... We can supply various specifications in large quantities according to customer requirements. SWANCOR 907-FLS Adding an accelerator will shorten the shelf life. SWANCOR 907-FLSP Must be in 4 Use it up within one week.

2. The gelation characteristics of SWANCOR 907-FLS are influenced by weather conditions, temperature, the content of hardener and accelerator, as well as any additives. Before adjusting the formulation, it is advisable to conduct small-scale trials to determine the gelation time, thereby facilitating processing.

3. SWANCOR 907-FLS, due to its high shear rate sensitivity and high viscosity, is recommended for use with… CHP Use a curing agent to prevent spontaneous bubbling, and when mixing the curing agent, minimize the incorporation of air as much as possible.

SWANCOR 977-S is a high-performance Vinyl ester resin , possessing excellent solvent resistance, such as resistance to EDC 、 DMF , chlorobenzene, benzene, and other highly soluble solvents, while also exhibiting excellent high-temperature properties, in 200 It still performs well at ℃.

  Regulation   grid Outside   View  ：  Pale yellow transparent liquid

Sticky Alcohol content: 750± 150 cps (LVT #3 - 60 rpm / 25) °C )

Solid Ingredients: 71.5± 2.0%

than Weight: 1.08± 0.02

glue Time: 25–35 minutes

(55% MEKPO: 2.0% ，6% Bitter Cobalt 0.4% ，100%DMA： 0.05% , Temperature: 25 °C )

Save Deposit term: 6 months (25 Below ℃ )

object Physical Properties

(1 ) 3.2mm Cast plate (curing conditions: ambient temperature curing) 24 hour, 120 Hardening after ℃ 2 hour)

Pull Tensile Strength: 62–76 MPa (ASTM D 638)

Pull Tensile modulus: 3.5–3.8 GPa (ASTM D 638)

Stretch Elongation at break: 1.5–2.5% (ASTM D 638)

Bend Flexural Strength: 90–120 MPa (ASTM D 790)

Bend Flexural modulus: 3.8–4.2 GPa (ASTM D 790)

Heat Deflection Temperature: 205–210℃ Note ( 1  ) (ASTM D 648)

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

Hard Hardness: 45–55 (Barcol, ASTM D 2583)

Note ( 1): Ambient-temperature curing 24 hour, 200 Hardening after ℃ 24 hour

Hardening System

The room-temperature curing system used in SWANCOR 977-S is available:

(1) MEKPO/Cobalt octoate

(2) SWANCOR Type C Hardener / Bitter Cobalt

(3) When the operating system temperature is low, it is recommended to use SWANCOR 1300 The accelerator will help. SWANCOR977-S Hardening; to reduce the exothermic temperature and thereby minimize thermal cracking, it is advisable to use… SWANCOR C Type hardening agent / The cobalt system undergoes hardening through a bitter process.

Packaging, Storage, and Handling

1. SWANCOR 977-S with 55 Packed in galvanized iron drums, each drum weighs 200 kg，5 Packed in galvanized iron drums, each drum weighs 20 kg。

2. SWANCOR 977-S is a reactive resin; it should be stored in a cool, shaded location. If stored for an extended period, open the container and allow air to enter to help prolong its shelf life.

3. The gelation time of SWANCOR 977‑S is primarily influenced by the amount of accelerator and the concentration of hardener, as well as by temperature. Variations in hardener type, ambient humidity, pigment fillers, and other additives can also affect curing characteristics. Therefore, when using this product, it is recommended that users first conduct small‑scale tests under their own operating conditions to evaluate the curing behavior.