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Technical Data Sheet

 

 

EPIKOTE™ Resin 04695-1

EPIKURE™ Curing Agent 05490A

HELOXY™ Additive 112

 

PRODUCT DESCRIPTION

 

EPIKOTE™ Resin 04695-1 is a medium viscous epoxy resin. 

EPIKURE™ Curing Agent 05490A is a low viscous amine hardener.

HELOXY™ Additive 112 is a silicone- and wax-free internal mold release agent.

 

 

APPLICATION AREAS / SUGGESTED USES

 

Epoxy resin system designed for conventional and gap-RTM applications and provides excellent wetting and adhesion characteristics on glass, carbon- or aramid-fibers. 

The benefits of this system are: low viscosity, short curing cycle and outstanding Class-A surface quality.

When combined with the internal release agent HELOXYTM Additive 112, the system is very suitable for the production of composite parts having a good coat ability with no or minimal surface preparation (i.e. sanding). 

 

Typical suggested uses include but are not limited to exterior and visible structural Automotive parts such as roof tops, pillars, hoods, deck lids.

 

 

FEATURES AND BENEFITS

  • Low viscosity
  • Low shrinkage 
  • Good mechanical performance
  • Fast glass transition temperature (Tg) development
  • Outstanding surface quality (Class-A) 
  • Good coat ability without or with minimal surface preparation (i.e. sanding). 

 

 

SALES SPECIFICATIONS

 

EPIKOTE™ Resin 04695-1

Property

Unit

Value

Test method

Viscosity at 25°C

mPa·s

9000 ± 1000

DIN 053015

Refractive index at 25ºC

 

1.5684 ± 0.003

DIN 51423

 

EPIKURE™ Curing Agent 05490A

Property

Unit

Value

Test method

Viscosity at 25°C

mPa·s

80 ± 20

DIN 053015

Refractive Index at 25ºC

 

1.5045 ± 0.003

DIN 51423

 

HELOXY™ Additive 112

Property

Unit

Value

Test Method

Viscosity at 25°C

mPa·s

1000 ± 500

DIN 53015

 

 

 

TYPICAL PROPERTIES

 

EPIKOTE™ Resin 04695-1

Property

Unit

Value

Test method

Delivery form

 

Liquid

 

Density at 20ºC

kg/l

1.17 ± 0.02

ISO 2811


 

EPIKURE™ Curing Agent 05490A

Property

Unit

Value

Test method

Delivery form

 

liquid

 

Density at 20ºC 

kg/l

0.971 ± 0.02

ISO 2811

 

 

HELOXY™ Additive 112

Property          

Unit

Value

Test Method

Delivery form

 

liquid

 

Density at 20°C

kg/l

1.03 ± 0.02

DIN 16945

Appearance

 

Yellow/brown

 

 



PROCESSING DETAILS

 

 

Mixing ratio

EPIKOTE™ Resin 04695-1                100 parts by weight

EPIKURE™ Curing Agent 05490A        24 parts by weight

HELOXY™ Additive 112                                            1-2 %


 

Mixing tolerance

The maximum allowable mixing tolerance (resin & hardener) is ± 1 pbw, but it is particularly important to preserve the recommended mixing ratio as accurately as possible. Incorrect dosing of the hardener is not an appropriate approach to accelerate or retard the reaction; rather it will lead to an incomplete cure. The reaction speed can be properly adjusted by changing the processing temperature, as indicated below. 


Resin and hardener must be mixed very thoroughly. Mix until no clouding is visible, pay special attention to the walls and the bottom of the mixing container.


 

Material preheating

To optimize the result a preheating of the components is recommended.

EPIKOTE™ Resin 04695-1                    60°C

EPIKURE™ Curing Agent 05490A         30°C

HELOXY™ Additive 112                    25-30°C


 

Processing Temperature and Pot Life

The system exhibits good processing in the temperature range between 60 and 100 °C, and full curing can typically be achieved in 20-30 minutes cure at 90°C. Higher processing temperatures are possible but will shorten the pot life. A rise in temperature of 10 °C reduces the pot life by approx. 50%. Different temperatures during processing have no significant effect on the mechanical properties of the hardened product.

Do not mix large quantities at elevated processing temperatures as this can lead to an uncontrolled exothermic reaction where the mixture may heat up very quickly to more than 200 °C in the mixing container.

 

 

EP 04695-1 + EK 05490A 100:24

Processing Data

Unit

Value

Mix viscosity at 25°C

mPa·s

2500

Pot life at 25°C (100g)

Time to reach peak maximum

Temperature at peak maximum

 

min

°C

 

21 ± 2

245 ± 5

 

 EPIKOTE Resin 04695-1_viscosity of mixed formulation

 

 

TYPICAL PROPERTIES OF THE CURED, NON-REINFORCED SYSTEM 

 

Cast by hand; curing cycle: 10 min @ 90°C

 

 

Unit

Value

Method

Glass transition temperature TG

1. run

Onset

Midpoint

2. run

Onset

Midpoint

 

 

°C

°C

 

°C

°C

 

 

94

100

 

137

141

DSC, 10K/min

Tensile test @ RT

Tensile strength

Tensile modulus

Elongation at break

 

MPa

MPa

%

 

85 ± 5

3200 ± 50

6.3 ± 1

DIN EN ISO 527-1

 

 

Flexural test @ RT

Flexural strength

Flexural modulus

 

MPa

MPa

 

140 ± 10

3500 ± 170

DIN EN ISO 178

 

 

Fracture performance @ RT

Fracture toughness K1C

Fracture energy G1C

 

MPa∙Öm

J/m²

 

1.08 ± 0.09

370 ± 85

ISO 17281

 

 


For further Technical Inquiries on the properties and performance of this matrix system in reinforced composites, please contact us at our Customer Service Center +1 888 443 9466  /  4information@hexion.com

 

 

SAFETY, STORAGE & HANDLING

 

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

 

 

EPIKOTE™ Resin 04695-1 should be stored at room temperature in its carefully sealed original containers. Under these conditions the shelf life is a minimum of 3 year from date of certification. Storing above this temperature affects product quality (viscosity increase). 

 

 

EPIKURE™ Curing Agent 05490A should be stored at room temperature in its carefully sealed original containers. Under these conditions the shelf life is a minimum of 2 years from date of certification. Care should be taken to avoid storage environments resulting in moisture contamination. Exposure to moisture will cause an increase in viscosity and reactivity, the degree of increase depending on the amount of moisture, which has been absorbed.

 

 

HELOXY™ Additive 112 should be stored at room temperature in its carefully sealed original containers, so that moisture is excluded. Under these conditions the shelf life is a minimum of 6 months.

HELOXY™ Additive 112 should not be stored at temperatures above 30°C. 

Before use it is necessary to homogenise the material by shaking or stirring. 

 

 

Occasionally, it is possible that the resin or hardener crystallizes at temperatures below 15 °C. The crystallization is visible as a clouding or solidification of the content of the container. Before processing, the crystallization must be removed by warming up. Slow warming up to 50 - 60 °C in a water bath or oven and stirring or shaking will clarify the contents in the container without any loss of quality. Use only completely transparent products. Before warming up, open containers slightly to permit equalization of pressure. Caution during warm up! Do not warm up over open flame! While stirring up use safety equipment (gloves, eyeglasses, respirator equipment).



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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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