Low Temperature Brittleness from Ray-Ran

Designed to study the effects on plastic polymers when subject to impact loads at low temperature. Many materials which are flexible at normal ambient temperature become brittle at low temperatures, which severely affect the material’s impact strength. By plotting the percentage failure rate of the test samples against the reduction in temperature, the brittleness temperature where 50% of the test samples will fail can be determined as per the ASTM D746 and ISO R974 International Test Standard.

The Ray-Ran Low Temperature Brittleness Apparatus consists of a tank, which by using Dry Ice is bought to the starting temperature. The samples are placed into the clamping mechanism and fixed into the tank and subjected to a single blow after the specified conditioning period has elapsed. The samples are removed and examined to determine whether they have failed or not. The temperature and number of failures is then recorded. By increasing or decreasing the temperature the lowest and highest temperature at which all the samples pass and fail can be determined.

Standard Features Include

Test specimen Cutter to produce test samples, Test specimen clamp to hold the test samples in a cantilever beam support, Test specimen striker, Insulated bath with digital temperature control and integral stirrer to ensure a uniform bath temperature, Temperature range from - 70oC to 200oC, Product user manual, CE mark of conformity, 1 year return to base warranty.
Optional accessories available

Type A, B or C Cutter, Specimen Clamps to customers specifications.

Other Equipment