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Technical Data Sheet

 

Re-issued August 2007

 

 

EPIKURE™ Curing Agent 3115, 3115-E-73 & 3115-X-70

 

 

Product Description

EPIKURE Curing Agent  3115 is a high molecular weight, reactive polyamide, high viscosity epoxy curing agent based on dimerized fatty acid and polyamines. For ease in formulating and handling, EPIKURE Curing Agent 3115 is also available in solutions of isopropyl alcohol at 73% solids and xylene at 70% solids. Other solutions are available upon request.

 

Application Areas/Suggested Uses

  • Maintenance and marine coatings
  • Tank and pipe coatings
  • High gloss coatings
  • Masonry and pool coatings
  • Adhesives, caulks and grouts

 

Benefits

  • Excellent water and corrosion resistance
  • Excellent adhesion
  • Excellent pigment and substrate wetting
  • Good chemical resistance
  • Long pot life

 

Sales Specification

Property

Units

EPIKURE 3115

EPIKURE 3115-E-73

EPIKURE 3115-X-70

Test Method/Standard

Amine value

mg/g

230-246

170-185 1

161-173 1

ASTM D2896

Viscosity at 25°C

cP

---

Z-Z2

V-Z

ASTM D1545

Viscosity at 40 °C

P

500 - 750

 --- 

 --- 

 ASTM D2196 

Color

Gardner

9

9

9

ASTM D1544

Solids

%m/m

100

72.5-74.0

69-71

ASTM D1259

 

 

 

 

 

 

 1 – Amine Value is based on the solution

 

Typical Properties

Property

Units

EPIKURE 3115

EPIKURE 3115-E-73

EPIKURE 3115-X-70

Test Method/Standard

Equivalent weight, approx.

 

156

156

156

 

Flash point

°C

252

16

29

ASTM D93

Mix Ratio

 

 

 

 

 

EEW 190

 

82

---

---

 

EEW 525

 

54

54

54

 

Density @ 25 °C

lbs/gal

8.1

7.6

7.8

 

Appearance

 

Clear

Clear

Clear

 

 

 

 

 

 

 

 

 

Performance Properties

 

Table 1 / Physical Properties of Epoxy Resin cured with EPIKURE Curing Agent 3115

 

 

Method

Units

A

B

 

 

 

 

 

Epoxy Resin (EEW 190)

 

pbw

100

100

EPIKURE Curing Agent 3115

 

pbw

82

180

 

 

 

 

 

Viscosity @ 25°C

 

P

172

240

Pot Life @ 25°C, 100 g

 

minutes

330

270

 

 

 

 

 

Tensile Strength

ASTM D638

psi

6,350

3,800

Flexural Strength

ASTM D790

psi

11,000

5,800

HDT

ASTM D648

°C

43

---

Hardness

ASTM D2240

shore D

83

73

 

Table 2/ Starting Formulation – Clear Coating

 

 

Method

Units

PBW

Gallons

 

 

 

 

 

Part A

 

 

 

 

Epoxy Resin (EEW 525)

 

 

308.0

31.10

MIBK

 

 

91.5

13.70

Xylene

 

 

102.5

14.20

Dowanol PM

 

 

11.0

1.42

Beetle 216-8

 

 

16.5

1.93

Part B

 

 

 

 

EPIKURE Curing Agent 3115

 

 

171.0

21.11

Toluene

 

 

103.0

14.22

Ethylene glycol ethyl ether

 

 

12.0

1.55

(NOTE: Mix components A and B until homogenous.)

 

 

 

 

 

Nonvolatiles

 

%

60

 

Epoxy : Hardner Ratio

 

 

65 : 35

 

Pound per Gallon

 

 

 

 

Part A

 

lb/gal

9.49

 

Part B

 

lb/gal

7.75

 

Blend A & B

 

lb/gal

8.23

 

Working Life @ 25°C

 

hrs

48

 

 

 

 

 

 

Substrate

 

 

Steel

 

Film Thickness

 

mils

1.5

 

Dry Time @ 25°C

 

 

 

 

Set-to-touch

 

min.

15

 

Tack-free

 

hrs

5.25

 

Paper-free

 

hrs

12.5

 

After 7 Days @ 25°C

 

 

 

 

Adhesion, cross-hatch

 

 

Excellent

 

Impact Resistance

 

in•lbs

160

 

 

 

 

 

 

 

Table 3/ Starting Formulation – Corrosion Resistant Primer

 

 

Method

Units

Value

 

 

 

 

 

 

Part A

 

 

 

 

Epoxy Resin (EEW 525), 75% in toluene

 

pbw

280.0

 

MIBK

 

pbw

80.0

 

Xylene

 

pbw

130.0

 

n-Butanol

 

pbw

36.0

 

Barytes

 

pbw

95.0

 

Talc

 

pbw

95.0

 

Zinc phosphate

 

pbw

142.0

 

Red Iron Oxide

 

pbw

142.0

 

Part B

 

 

 

 

EPIKURE Curing Agent 3115-x-70

 

pbw

150.0

 

Xylene

 

pbw

112.5

 

n-Butanol

 

pbw

37.5

 

(NOTE: Mix components A and B until homogenous. Reduce with 4:1 Xylene : n-Butanol for air spray.)

 

 

 

 

 

Pot Life @ 25°C

 

hrs

24

 

Viscosity, #4 Ford Cup

 

sec

60

 

Salt Fog, 5 mil on CRS

ASTM B117

hrs

2,500

 

Rusting rating

ASTM D610

 

9

 

Scribe rating

ASTM D1654

 

7

 

Degree of Blistering

ASTM D714

 

9F

 

 

 

Safety, Storage & Handling

Please refer to the MSDS for the most current Safety and Handling information.

 

Please refer to the Hexion web site for Shelf Life and recommended Storage information.

 

Exposure to these materials should be minimized and avoided, if feasible, through the observance of proper precautions, use of appropriate engineering controls and proper personal protective clothing and equipment, and adherence to proper handling procedures. None of these materials should be used, stored, or transported until the handling precautions and recommendations as stated in the Material Safety Data Sheet (MSDS) for these and all other products being used are understood by all persons who will work with them. Questions and requests for information on Hexion Inc. ("Hexion") products should be directed to your Hexion sales representative, or the nearest Hexion sales office. Information and MSDSs on non-Hexion products should be obtained from the respective manufacturer.

 

Packaging

Available in bulk and drum quantities.

 

 

Contact Information

For product prices, availability, or order placement, please contact customer service:

www.hexion.com/Contacts/

 

For literature and technical assistance, visit our website at: www.hexion.com

 

® and ™ Licensed trademarks of Hexion Inc.

DISCLAIMER

The information provided herein was believed by Hexion Inc. (“Hexion”) to be accurate at the time of preparation or prepared from sources believed to be reliable, but it is the responsibility of the user to investigate and understand other pertinent sources of information, to comply with all laws and procedures applicable to the safe handling and use of the product and to determine the suitability of the product for its intended use. All products supplied by Hexion are subject to Hexion’s terms and conditions of sale. HEXION MAKES NO WARRANTY, EXPRESS OR IMPLIED, CONCERNING THE PRODUCT OR THE MERCHANTABILITY OR FITNESS THEREOF FOR ANY PURPOSE OR CONCERNING THE ACCURACY OF ANY INFORMATION PROVIDED BY HEXION, except that the product shall conform to Hexion’s specifications. Nothing contained herein constitutes an offer for the sale of any product.

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