Deformation test of building thermal insulation products

The deformation test of building insulation products can determine the deformation of building insulation products under specified compressive load, temperature and time conditions. Relative deformation, the reduction in thickness of the specimen under a specified compressive load, is expressed as a percentage of the original thickness of the specimen, and its measurement direction is the direction of the compressive load.
Zhongke Testing Reliability Experiment Center has the capability of reliability testing of various building insulation products, and provides professional deformation testing and other reliability testing services for building insulation products.

Inorganic fibrous products: asbestos products, mineral wool products, glass wool products, ceramic fiber products
Inorganic granular products: expanded vermiculite products, expanded perlite products
Inorganic porous products: diatomite products, microporous calcium silicate products, foam glass products, foam concrete and aerated concrete products

A specified compressive load is applied to the specimen, and the relative deformation of the specimen is measured in two steps, each step having different temperature and time conditions. Measure the thickness of each sample after adjustment according to ISO 29768, accurate to 0.1 mm. The test is divided into two steps, A and B. The process is as follows.
StepA
Use the load corresponding to the selected test condition group (1, 2 or 3) to load the specimen at a temperature of (23±5)°C and a time of (48±1) h. After (48±1) h, measure the thickness dl of the specimen under load, accurate to 0.1 mm.
StepsB
According to the selected test condition group (1, 2 or 3), the loaded specimen is placed in the selected temperature environment and maintained for the corresponding time. After holding for the selected time, measure the thickness of the specimen under load and test temperature to the nearest 0.1 mm.

GB/T 33002-2016 Thermal insulation products for buildings—Determination of deformation under specified compressive load and temperature conditions
ISO 29764-2008 Thermal insulation products for building installations Determination of deformation under specified pressure load and temperature conditions
EN 1605-2013 Thermal insulation products for buildings Determination of deformation under specified conditions of pressure load and temperature
BS EN 1605-2013 Thermal insulation products for building installations Determination of deformation under specified pressure loads and temperature conditions
NF EN 1605-2013 Thermal insulation products for building installations Determination of distortion under specified conditions of pressurized load and temperature
DIN EN 1605-2013 Thermal insulation products for buildings Determination of deformation under specified conditions of pressure load and temperature