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40×40×160 mm cement mortar triple test mold; cement mortar compressive strength test mold
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- Product Description
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Cement softening test mold
Product specifications: 40x40x160mm
Product packaging: cardboard box packaging
The 40×40×160 mm cement mortar test mold is a standardized apparatus specified in the national standard “Methods for Testing the Strength of Cement Mortar (ISO Method) GB/T 17671-1999,” and is specifically designed for fabricating flexural test specimens prepared by the cement paste method.
Technical Specifications:
Mold cavity dimensions (length × width × depth): 160 × 40 × 40 mm
Base external dimensions: 245×165×60 mm
Packaging dimensions: 270×170×170 mm
Structure and Usage:
This model is a three‑part, detachable mold. The base is made of cast iron and has both its top and bottom surfaces machined flat; the top surface is fitted with two locating pins. The end plates and partition plates are fabricated from flat steel, and all surfaces that form the mold cavity have been ground smooth. The pressure block and clamping screw are riveted together and, in conjunction with the pivot pin, constitute the clamping mechanism, enabling quick release or tightening of the end plates for rapid assembly and disassembly. During mold assembly, ensure that the lower surfaces of the end plates and partition plates are tightly against the upper surface of the base, with no warping or lifting; if necessary, gently tap the upper surfaces of each plate with a wooden mallet while applying clamping force to achieve full contact with the base. Before each mold installation, apply a thin film of machine oil to the surfaces of all components forming the mold cavity, then align the partition plate with the locating pins to prevent misalignment of the cavity. After each demolding operation, promptly wipe away any residual material from the component surfaces and apply lubricant to prevent rust. During use, the mold cavity dimensions should be inspected regularly—once per quarter—and if the dimensional tolerances exceed the limits specified in GB 177‑77, the mold must be immediately taken out of service.
Reasons to Choose Us
Multiple specifications to choose from
Source factory
Ships promptly
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Supports customization
Selected Raw Materials
Factory Advantages
Deep expertise, comprehensive product range
√Over 10 years of dedicated R&D and manufacturing of testing instruments for highway, construction, geotechnical, asphalt, cement, and other engineering applications.
√Comprehensive category coverage: from raw material testing to construction quality control, a one-stop solution.
√Compliant with international standards such as ISO and GB, meeting the regulatory requirements of overseas projects.
Reliable quality and excellent value for money.
√ We strictly adhere to the ISO 9001 quality management system, select core components from internationally renowned brands, and conduct full inspection before shipment.
√ In-house manufacturing + a large-scale supply chain deliver strong price competitiveness, with no markups from intermediaries.
√Stable and durable, with a low failure rate, reducing operational and maintenance costs for overseas customers.
Efficient delivery, global service
√In-stock inventory plus flexible manufacturing ensures 7–15 day rapid delivery, with support for customized rush orders.
√Cangzhou’s Lin’gang District boasts a strategic location, with convenient sea and air transportation and globally traceable logistics.
√Multilingual team with 24-hour technical support, offering installation and commissioning, training, a three‑year warranty, and ongoing follow-up services.
Operating with integrity and backed by extensive experience.
√13 years of industry expertise, serving over 30 countries and regions worldwide.
√The principle of “integrity in business, mutual benefit.”
√Deep understanding of international engineering standards and procurement processes, with efficient communication and seamless collaboration.
Frequently Asked Questions
Is the universal materials testing machine experiencing loading stalling or abnormal zeroing of load data?
1. Loading lag: Clean the lead screw and guide rails, apply lubricant, and remove debris from the transmission components. 2. Zeroing anomaly: Restart the equipment system, calibrate the load and displacement zero points, and check for poor electrical contact in the sensor wiring. 3. Overloading is strictly prohibited; before testing, verify that the grips are securely tightened to prevent eccentric loading of the specimen.
How often should in‑instrument verification be performed? Which instruments are required to undergo it?
High‑precision, high‑frequency‑use, and drift‑prone equipment (such as balances, penetration testers, water permeability testers, and sensor‑type devices) shall undergo intermediate verification every three months; routine equipment shall be verified every six months. Equipment that is within the verification/calibration interval, has been repaired following a malfunction, or has been relocated must undergo additional intermediate verification, with complete verification records maintained.
Is the repeatability of pendulum-type pavement friction coefficient measurements poor?
Key points for resolution: Prior to testing, thoroughly clean the pavement at each measurement point, ensuring there is no standing water, dust, or debris; calibrate the instrument’s level and zero point to ensure a standardized pendulum‑drop trajectory; strictly control the pendulum’s sliding distance; avoid conditions such as strong winds, wet pavement, or abrupt temperature changes; and calculate the average of multiple measurements taken at the same point.
How should one handle cases where the pavement infiltration meter data exceeds allowable error limits, exhibits leakage, or shows abnormal readings?
1. Sealing leaks: Inspect the base seal for aging or damage and replace it promptly; before testing, firmly press down on the base to expel any residual air inside. 2. Data deviation > ±2%: Calibrate the level sensor, clean any fouling from the graduated cylinder, and check for damage to the scale markings. 3. Compliance with new regulations: For seepage rates ≤ 300 mL/min, existing equipment may continue to be used; for rates > 300 mL/min, the accuracy of older equipment fails to meet standards, and such equipment must not be used.
Can the old Marshall compaction apparatus and stability tester still be used?
According to the 2025 revised asphalt testing procedures, after adjusting the indenter configuration on the Marshall stability test apparatus, existing instruments currently in use may continue to be operated normally without mandatory replacement; only periodic calibration to maintain accuracy and ensure equipment integrity is required.
What are the causes of uneven compaction and layered cracking in molded specimens during compaction testing?
Main causes: non‑vertical drop of the compaction hammer, rail jamming, excessive deviation in hammer weight, uneven layer thickness during loading, insufficient number of blows, or overload. Solutions: regularly lubricate the guide rails; verify and correct the vertical alignment of the hammer; strictly follow the procedure for layered material placement and step‑by‑step compaction; ensure that hammer weight and drop height comply with standards; and prevent over‑thick layers.
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