Enhanced TDS
Identification & Functionality
- CASE Ingredients Functions
- Chemical Family
- Composite Materials Functions
- Function
- Hardener
- Technologies
- Product Families
Features & Benefits
- Materials Features
- Key Properties
Controlled reactivity for the production of shrink- and deformation-free large elements:
- Easy processing
- Very good wetting capability
- Relatively low exothermic heat generation
- Good mechanical properties and very good damping effect
- Good chemical resistance
- Good thermal resistance
- Distinguishing Features
- No BISPHENOL A, Phenol, Nonylphenol or Alkylphenols
- No Benzyl Alcohol (Low emission hardner)
- Good alternative to obsolete ARADUR® 3740
- Product Features and Benefits
- Improved crystallization resistance compare to Aradur ® 42
- Similar properties than Aradur ® 42 (Mechanical, viscosity, mix ratio, kinetik)
- Very good chemical resistance
- Can be combine with other hardener (i.e. ARADUR® 33641, ARADUR® 20315(S)) in order to reduce viscosity
- No BISPHENOL A, Phenol, Nonylphenol or Alkylphenols
- No Benzyl Alcohol (Low emission hardner)
- Good alternative to obsolete ARADUR® 3740
Applications & Uses
- Coating End Applications
- Composites End Use
- Composites Processing Methods
- Application Information
The combination of the binder system Araldite® BY 158 / ARADUR® 3741 with high grade mineral fillers results in epoxy concrete of outstanding dimensional stability, suitable for demanding applications such as machine bases. The best results are obtained with cure temperatures of 20 °C to 50 °C. Can be used in 2 systems for wet lay-up, infusion, adhesives.
Properties
- Physical Form
- Mix Ratio
Mix Ratios
Property Details Value Unit Components Araldite® BY 158 100 p.b.w. ARADUR® 3741 25 p.b.w. Gel time Tecam, 100 ml, 20 °C, 65% RH 180 min Glass transition temperature (DSC, 10 K/min) Cured 7 days at RT 60 °C Cured 4 days at RT + 1 day at 40 °C 78 °C Cured 4 days at RT + 1 day at 60 °C 95 °C Viscosity Build-up of Araldite® BY 158/ARADUR® 3741 Mix (100:25 p.b.w.) at 25 °C (ISO 12058-1)
Time (min) 0 30 60 90 120 Viscosity (mPa·s) 130 160 210 290 400
Regulatory & Compliance
Packaging & Availability
- Regional Availability
Storage & Handling
- Storage Information
ARADUR® 3741 should be stored in a dry place, preferably in the sealed original container, at temperatures between 2 and 40 °C. The product should not be stored exposed to direct sunlight.
- Handling Precautions
Mandatory and recommended industrial hygiene procedures should be followed whenever our products are being handled and processed.
Other
- Appearance
- Clear liquid
- Color (SDS)
- Yellow Clear
- Odor (SDS)
- Amine-like
- Chemical Properties
Value Units Test Method / Conditions Amine Value 695.0-730.0 mg KOH/g mg KOH/g ISO 9702 - Physical Properties
Value Units Test Method / Conditions Density 0.91-0.92 g/cm³ g/cm³ ISO 1675 at 25°C Flash Point min. 108.0 °C °C Pensky-Martens Closed Cup (PMCC) Flash Point min. 108.0 °C °C ISO 2719 Gel Time 84.0 m m at 23°C, with ARALDITE® GY 250, 100g Glass Transition Temperature (Tg) 115.0-140.0 °C °C Cured with ARALDITE® GY 250 Viscosity 1.0-15.0 mPa.s mPa.s Falling Ball Viscometer at 25°C Viscosity 1.0-15.0 mPa.s mPa.s ISO 12058-1 at 25°C