Description
EPOXY LAMINATING SYSTEM Medium Cure
DESCRIPTION
The new and improved SikaBiresin® CR94 systems (formerly L 140) are convenient, easy-to-use, 100% solids laminating systems developed for building, repairing, or restoring any type of marine vessels and for many other applications and markets. The versatility of the L 140 epoxy systems makes them ideal for use in standard wet lay-up and vacuum bagging processing with a wide range of reinforcements. These systems can also be mixed with a variety of fillers for fairing, filleting, or bonding applications. SikaBiresin® CR94 epoxy systems consist of one base resin and a selection of three separate hardeners to suit your application needs. These systems are all mixed at a convenient 3:1 volumetric mix ratio and can be metered through our calibrated push pumps or various types of dispensing equipment when scales are not used. In addition to the high strength and durability of the SikaBiresin® CR94 epoxy systems, the low viscosity allows for better wet-out resulting in lighter, stronger, void-free parts without experiencing runout on vertical surfaces. The unique chemistry of the SikaBiresin® CR94 systems provides maximum physical properties, reduces curing exotherm, and minimizes blush, making these systems more trouble free than ever. Applications
include marine boats, parts, tools, and also tools or parts for industrial, transportation, and aerospace industries.
| PROPERTIES | |
| ¡ Low viscosity for excellent wet-out
¡ R.T. cured and post-cured options ¡ Variable pot life/working time options ¡ Above and below waterline use ¡ Good high modulus/ good elongation |
¡ Good 24 hour surface sandability
¡ Suitable for glass, carbon, aramid fabric ¡ Hardener blending is an option ¡ Excellent bond to all fabrics ¡ Superior overall properties |
Mix Ratio’s
Mix ratio by weight – CR94 – 100 parts – CH94-1 – 27 parts
Mix ratio by volume at 25 °C – CR94 – 100 parts – CH94-1 – 33 parts (3:1)
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