ARALDITE® CW 1312 / ARADUR® HY 1300

• High thermal conductivity
• Good thermal shock resistance
• Flammability of UL 94 V0 for 3.2 mm thick plaque
• Railway certified EN45545-2 R22/23 HL1/HL2

• Inductive components, transformer
• Generator and motors.
• Pressure-sensitive components.

Preparation

• Araldite® CW 1312 Resin contains fillers which tend to settle over time. It is therefore necessary to carefully homogenize the complete contents of the container before use.
• To prevent filler separation and inconsistent metering, the components should be gently stirred from time to time while they are present in the production equipment storage tanks.

Mixing

• To facilitate stirring and handling, highly filled component should be heated to 40 - 50°C in their original container (e.g. overnight in an oven) before adding the hardener.
• After a thorough mixing, the mixed material should be degassed under a 5 - 10 mbar vacuum to yield quality casting.

Curing

• In manufacturing environment, the uncured impregnated parts will pick up moisture. Therefore, it is critical to fully cure the parts right after the impregnation or immediately store the uncured impregnated parts in a moisture-controlled area.
• To determine whether cross-linking has been carried to completion and the final properties are optimal, it is necessary to carry out some relevant measurements on the actual part or to measure the glass transition temperature of the cured system.
• Different gel and cure cycles in the manufacturing process are likely to lead to a different degree of crosslinking, hence different glass transition temperatures.
• The suggested curing process is 24 hours at room temperature (about 25 °C) plus 6 hours at 60 °C to yield parts with low shrinkage and best surface aspect. The minimum curing condition can be 48 hours at 25 °C.

Condition : at 23°C, cured 24 hours at 25 °C + 6 hours at 60°C.

Condition : at 23°C, cured 24 hours at 25 °C + 6 hours at 60°C.

• ARALDITE® CW 1312 Resin contains some curing catalyst and / or accelerator. It should preferably not be stored for long periods at temperatures exceeding 40°C nor should it be exposed to temperatures more than 100°C for more than 2 hours. Incorrect handling will result in an increase in viscosity and reduced performance properties of the cured system.
• ARALDITE® CW 1312 Resin should be stored in a dry place, in their sealed original container, at temperatures between 2°C and 40°C (35.6°F and 104°F). Under these storage conditions the shelf life is 1.5 years (from date of manufacture). These products should not be exposed to direct sunlight.
• ARALDITE® HY 1300 Hardener contains some curing catalysts and / or accelerators. Storage at elevated temperatures (>80°C) for extended periods (e.g. >5 days) will result in an undesirable increase in viscosity and will negatively affect the reactivity of the mixed system. This hardener is sensitive to moisture. Partially used containers should be closed immediately after use. The use of a desiccant venting device is highly recommended unless the material is going to be used rapidly after opening.
• ARALDITE® HY 1300 Hardener should be stored in a dry place, in their sealed original container, at temperatures between 2°C and 40°C (35.6°F and 104°F). Under these storage conditions the shelf life is 3 years (from date of manufacture). These products should not be exposed to direct sunlight.