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The concrete impermeability test specimen demolding and molding splitting multipurpose machine is primarily used for fabricating, demolding, and splitting concrete impermeability test molds. It is especially suitable for molds with an upper diameter of 175 mm, a lower diameter of 185 mm, and a height of 165 mm.
Waterproof Membrane Low-Temperature Flexibility Tester, Model DWR-3, Electric Digital Display
The low-temperature flexibility tester for architectural waterproofing membranes is designed in accordance with the test method GB/T 328.14‑2007. It is an experimental instrument that has replaced the previous manual testing approach with a mechanical one for assessing the low-temperature flexibility of waterproofing membranes.
The electric waterproofness tester for rolled roofing materials is designed to evaluate the water impermeability of petroleum‑bitumen roofing felts and elastomeric bitumen waterproofing membranes, meeting the test requirements specified in GB 328. This instrument employs an electric air pump for pressurization, and its microcontroller‑based timing controller ensures convenient operation, simplicity, and labor‑saving performance. It is suitable for use in research, construction, manufacturing, design, and educational institutions. Featuring automatic electrical control for inflation and pressurization, with automatic pressure maintenance, this device provides a highly convenient solution for testing, experimenting, and researching the water impermeability of roofing felts and waterproofing membranes. When the test pressure does not exceed 0.4 MPa, the instrument can also be used to determine the air permeability or water permeability of other related materials.
The freeze–thaw cycle lasts 2.5 to 4 hours, with a thawing period of at least one quarter of the cycle. At the end of freezing, the specimen’s core temperature is −18 ± 2°C; at the end of thawing, the core temperature is 5 ± 2°C. The cooling phase takes 1.5 to 2.5 hours, and the heating phase takes 1.0 to 1.5 hours. The temperature difference between the specimen’s core and surface must be less than 28°C. The standard number of cycles is more than 300.
DW-40 Low-Temperature Test Chamber, Waterproof Membrane Low-Temperature Test Chamber, Freezer
The DW-40 concrete low-temperature testing chamber is suitable for low-temperature testing and aging tests of cement, concrete, various waterproofing membranes, profiles, plastics, and electronic components.
I. Product Overview This tear‑performance sampling template is designed for preparing trapezoidal notches or cuts in polymer roofing membranes when measuring their tear resistance. The product is manufactured in accordance with the national standard GB/T 328.19‑2007, “Test Methods for Building Waterproofing Membranes — Part 19: Tear Resistance of Polymer Waterproofing Membranes.” II. Main Technical Parameters Template external dimensions: 130 mm × 50 mm
I. Product Overview This product complies with the test requirements specified in Part 11 of GB/T 328.11-2007, “Test Methods for Building Waterproofing Membranes: Asphalt Waterproofing Membranes—Heat Resistance.” It is used to determine the flow resistance of waterproofing membranes under elevated temperatures, assessing the heat‑resistance limits of both the upper and lower surfaces of the test specimen at a specified temperature or under continuous exposure to varying humidity levels. This instrument is designed to evaluate a product’s heat‑resistance performance or to establish its heat‑resistance limit, such as measuring changes in properties after aging. The instrument must be used in conjunction with an oven. II. Main Technical Parameters The standard configuration of this set includes: - Suspension clamps: 3 pieces - Marking tools: 3 pieces - Dowel pins: 6 pieces
I. Product Overview The waterproof membrane heating‑induced elongation tester is designed to measure the thermal expansion of polymeric waterproofing materials and complies with GB 18173.1‑2012 “Polymeric Waterproofing Materials — Part 1: Sheet.” II. Main Technical Parameters 1. Specimen dimensions: 300 × 30 mm 2. Ruler scale length: 150 mm 3. Ruler accuracy: 0.5 mm
Waterproof Membrane Weld Seam Airtightness Tester, Model QM‑1 【Product Model】QM‑1 【Applicable Standard】TB 10119‑2018 “Technical Specification for Waterproofing and Drainage in Railway Tunnels” 【Operating Procedure】The test is conducted as follows: Connect a No. 5 injection needle to the pressure gauge, then use an air pump to inflate the joint. Stop inflating when the pressure reaches 0.25 MPa, and maintain this pressure for 15 minutes. If the pressure drop remains within 10%, the weld seam is deemed compliant. Should the pressure drop excessively quickly, it indicates leakage; apply soapy water along the weld seam, and re-weld any areas where bubbles appear. This instrument has been developed and manufactured to meet the airtightness testing requirements for waterproof membrane weld seams. It utilizes an air pump as its air source, enabling rapid inflation in a short time, with simple operation that significantly enhances work efficiency while reducing the physical workload of testing personnel.
Product Overview: This device is used to determine the dimensional stability of asphalt roofing waterproofing membranes and is suitable for both Method A and Method B. It includes a steel plate for Method A, a steel plate for Method B, and a long-arm gauge, and complies with the requirements of GB 328.12-2007-T “Test Methods for Building Waterproofing Membranes—Part 12: Dimensional Stability of Asphalt Waterproofing Membranes.”
Main Technical Parameters: 1. Pressure gauge measurement range: 0 to -100 kPa; 2. External dimensions: 400 × 480 × 280 mm; 3. Overall weight: 22 kg; 4. Voltage: 220 V, 50 Hz; 5. Power: 180 W.
Waterproof Membrane Perforation Watertightness Test Apparatus; Pre‑laid Waterproof Membrane Impact Resistance Test Instrument, Model JLD‑462
It is suitable for low-temperature bend tests of waterproofing membranes, as well as for assessing the low-temperature flexibility of waterproof coatings and conducting low-temperature bending tests on polymer membranes and waterproof coatings. The bending tester consists primarily of upper and lower aluminum plates; its pivot shaft, shaft support, and spacing-adjustment screws are made of stainless steel, and the plate gap can be adjusted to any desired setting.
I. Applications The pneumatic specimen punch is used in industries such as rubber, plastics, wires, cables, and waterproof membranes, as well as in research institutions, to punch standard test specimens prior to tensile testing. It can also be used to punch similar materials. II. Main Technical Parameters 1. Punching stroke: 0–100 mm 2. Working air pressure: 0.8 MPa 3. Worktable dimensions: 245 mm × 245 mm 4. Overall dimensions: 424 mm × 407 mm × 612 mm 5. Net weight: 51 kg
I. Product Overview This fixture is designed for use with an electronic tensile testing machine and is used to test materials such as waterproof membranes, rubber sheets, and plastics. It provides secure clamping without slippage and is widely employed in the waterproof membrane, rubber, and plastics industries. II. Main Technical Parameters 1. Clamp width: 50 mm / 100 mm 2. Clamp height: 30 mm 3. Maximum specimen thickness that can be clamped: 15 mm 4. Clamp tooth profile: R3 corrugated 5. Connection thread: M12
Pre-laid Waterproof Membrane Impact Resistance Tester Apparatus
I. Product Overview This instrument is designed for testing the impact resistance of pre‑applied waterproofing membranes. Pre‑applied waterproofing membranes are composed primarily of plastic, asphalt, or rubber, with a self‑adhesive layer on one side and a surface treated with a non‑stick or low‑friction coating to ensure bonding with cast-in-place concrete. They comply with the requirements of GB/T 23457-2017, “Pre‑Applied Waterproofing Membranes.” II. Main Technical Parameters 1. Punch: Φ12.7 mm 2. Hammer mass: 500 g (±1) 3. Pressure ring diameter: 100 mm 4. Aluminum plate dimensions: 300 mm × 300 mm 5. Specimen size: 300 mm × 300 mm 6. Drop height: (1000 ± 5) mm
Main Technical Parameters: 1. Pressure gauge measurement range: 0 to -100 kPa; 2. External dimensions: 400 × 480 × 280 mm; 3. Overall weight: 22 kg; 4. Voltage: 220 V, 50 Hz; 5. Power: 180 W.
I. Product Overview This fixture is designed for use with an electronic tensile testing machine and is used to test materials such as waterproof membranes, rubber sheets, and plastics. It provides secure clamping without slippage and is widely employed in the waterproof membrane, rubber, and plastics industries. II. Main Technical Parameters 1. Gripper width: 50 mm / 100 mm 2. Gripper height: 30 mm 3. Maximum specimen thickness that can be clamped: 15 mm 4. Gripper tooth profile: R3 corrugated 5. Connection thread: M12
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