Sealant and structural adhesive testing instruments
Structural Adhesive Density Meter
The determination of density is used for measuring the density of architectural sealant materials.
T-impact peel strength tester for structural adhesives
This instrument is suitable for determining the T‑impact peel length, an important indicator of the toughness of room‑temperature‑curing structural adhesives. A T‑impact peel specimen is prepared by bonding a pair of thin mild‑steel sheets; under specified conditions, an impact force is applied to the unbonded end of the specimen, causing delamination along the bond line. Structural adhesives with differing toughness exhibit markedly different peel lengths, allowing their relative toughness to be assessed. By measuring the peel length and conducting comparative analyses of test data for various adhesive grades, it is possible to establish a simple, practical acceptance criterion for structural adhesive toughness, based on peel length.
Tensile Bond Strength Test Fixture for Structural Adhesives
The tensile bond strength test fixture for structural adhesives is designed for laboratory conditions to determine the direct tensile bond strength of reinforcing materials bonded to substrates using structural adhesives, interface agents, or polymer mortars—whether applied by coating, spraying, pouring, or other methods—under uniform tensile stress, resulting in cohesive, adhesive, or mixed failure modes.
Elastic Recovery Rate of Pavement-Heating Sealant Under Penetration Ball Load
The penetration ball for the elastic recovery rate of pavement‑heating sealants is used to determine, under specified conditions, the percentage of deformation that a sealant specimen can recover, and is employed in conjunction with an asphalt penetration tester.
Low-Temperature Tensile Specimen Fixture for Pavement-Heating Sealant
Used in conjunction with a tensile testing machine for low-temperature tensile tests of asphalt joint sealant.
Penetration of pavement-heating sealant
The standard cone for the penetration test of pavement‑heating sealants is used in conjunction with an asphalt penetration tester to determine the sealant’s penetration depth—defined as the vertical distance, in 0.1 mm increments, that the standard cone penetrates into the sealant specimen. The cone has a smooth surface and a precisely calibrated weight.
Sealant Structural Adhesive Extruder Bracket
This bracket is designed to secure structural adhesive extruders, allowing three extruders to be suspended simultaneously, thereby facilitating connection during testing, ease of operation, and convenient storage after the experiment.
Grid-line architectural sealing material transparent membrane
Transparent film with a 1 mm grid is used to measure and calculate the bonded‑failure area in tensile tests. By placing this transparent film over the printed 1 mm × 1 mm grid, the number of grid squares occupied by the larger bonded‑failure area on each of the two bonded surfaces of the tensile‑bond specimen is counted, with precision to one grid square (fractions of a square are disregarded). The bonded‑failure area is expressed as the percentage of grid squares that have failed, relative to the total number of grid squares.
CZY-01 Pressure-Sensitive Adhesive Tape Initial Adhesion Tester
It is primarily used for testing the initial adhesion of products such as adhesive tapes, labels, protective films, and medicated plasters. A steel ball is rolled across the adhesive side of a tape laid flat on an inclined plate, and the maximum size of the steel ball that can be retained by the adhesive surface over a specified length is measured to assess its initial adhesion. The test inclination angle can be freely adjusted to meet user requirements.
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