100mm vs 150mm Concrete Cube Mould – Which Size Should You Choose? Malaysia
100mm vs 150mm Concrete Cube Mould – Which Size Should You Choose? Malaysia
Introduction
One of the most common questions when purchasing a Concrete Cube Mould is:
“Should I use a 100mm or 150mm Concrete Cube Mould?”
Both sizes are used for preparing concrete specimens, but they should not be selected simply according to price or convenience.
The correct specimen size depends on the applicable testing standard, project specification, concrete characteristics, aggregate size, laboratory procedure, and client or consultant requirements.
At MTM Precision Sdn. Bhd., we supply different sizes and types of Concrete Cube Moulds together with Construction Material Testing Equipment for customers throughout Malaysia.
What Is a 100mm Concrete Cube Mould?
A 100 × 100 × 100 mm Concrete Cube Mould is used to prepare a nominal 100mm concrete cube specimen.
Because of its smaller dimensions, it can offer practical advantages in applications where this specimen size is permitted.
Potential benefits include:
Smaller specimen
Lower concrete volume per specimen
Easier handling
Lower specimen weight
Convenient laboratory storage
Suitable for certain research and testing programmes
However, these advantages do not automatically mean that 100mm should replace 150mm.
The testing requirement must always come first.
What Is a 150mm Concrete Cube Mould?
A 150 × 150 × 150 mm Concrete Cube Mould produces a larger nominal cube specimen.
The 150mm cube is widely recognised in concrete testing and may be specified for many construction and civil engineering applications.
Typical users include:
Contractors
Ready-Mix Concrete Companies
Precast Manufacturers
Material Testing Laboratories
Civil Engineering Laboratories
Universities
Infrastructure Projects
Customers should verify the required size from their testing specification before ordering.
100mm vs 150mm – Main Differences
Feature100mm Cube150mm CubeNominal Size100 × 100 × 100 mm150 × 150 × 150 mmSpecimen VolumeSmallerLargerConcrete RequiredLessMoreSpecimen WeightLowerHigherHandlingEasierHeavierStorage SpaceLessMoreTesting Machine Load DemandGenerally lowerGenerally higherSelectionAccording to applicable requirementAccording to applicable requirement
The important point is that size selection should be technically justified.
Why Aggregate Size Matters
Aggregate size is one factor that can affect specimen selection.
A concrete specimen needs to be sufficiently large relative to the aggregate used so that the specimen reasonably represents the concrete mixture.
If a specimen is too small relative to the aggregate, the resulting test may not satisfy the applicable test requirements.
Therefore, customers should not select a 100mm mould simply because:
It is smaller
It is lighter
It uses less concrete
It is easier to handle
Always check the applicable testing procedure.
Does a 100mm Cube Give the Same Result as a 150mm Cube?
Customers sometimes assume:
“Concrete is the same, so both sizes should give exactly the same strength.”
This is not a safe assumption.
Measured strength can be influenced by factors including:
Specimen geometry
Specimen dimensions
Aggregate characteristics
Compaction
Curing
Surface condition
Testing procedure
Loading conditions
Results from different specimen sizes should therefore be interpreted according to the applicable standard and engineering procedure.
Do not apply an arbitrary conversion factor unless it is specifically supported by the relevant testing requirement.
Which Size Is Better for Construction Sites?
There is no universal answer.
If the project specification requires 150mm specimens, use the required 150mm mould.
If the applicable procedure permits 100mm specimens and they are appropriate for the concrete being tested, 100mm moulds may offer easier handling.
Project requirements should always override convenience.
Which Size Is Better for Ready-Mix Concrete Plants?
Ready-mix concrete laboratories should standardise their specimen preparation procedures according to their testing requirements.
Important considerations include:
Customer specifications
Applicable standards
Concrete mix
Aggregate size
Compression machine capacity
Existing laboratory procedures
Required testing ages
Some laboratories may maintain both 100mm and 150mm moulds to support different customer requirements.
Which Size Is Better for Commercial Testing Laboratories?
Independent laboratories frequently work for multiple customers.
For this reason, keeping more than one mould size can provide flexibility.
For example:
100mm Cube Moulds
for projects where 100mm specimens are permitted.
150mm Cube Moulds
for projects specifying 150mm specimens.
The laboratory should clearly identify and separate specimens to avoid testing or reporting errors.
Plastic 100mm and 150mm Cube Moulds
Plastic moulds are useful when portability is important.
Advantages include:
Lightweight
Corrosion resistant
Easy transportation
Convenient field handling
Practical when purchasing larger quantities
They can be suitable for contractors, ready-mix companies, and mobile testing teams.
Cast Iron 100mm and 150mm Cube Moulds
Cast iron moulds provide:
High rigidity
Strong construction
Good dimensional stability
Suitability for repeated laboratory use
Long working life with proper maintenance
They are particularly relevant for permanent testing laboratories and high-volume operations.
Don't Choose Based Only on Price
A smaller mould may cost less than a larger heavy-duty mould, but price should not determine specimen dimensions.
The correct sequence is:
Testing Requirement → Required Specimen Size → Mould Material → Quantity → Price
Not:
Cheapest Mould → Decide How to Test
This distinction is important for professional laboratory work.
How Many 100mm or 150mm Moulds Should You Buy?
Quantity depends on:
Number of daily samples
Specimens required per sample
Concrete pouring schedule
Demoulding cycle
Number of active projects
Laboratory workload
Spare capacity
High-volume laboratories and ready-mix plants may need significantly more moulds than occasional users.
What Information Should You Provide When Ordering?
To avoid ordering the wrong product, send:
Product: Concrete Cube Mould
Size: 100mm or 150mm
Material: Plastic / Cast Iron
Quantity: Required units
Standard: Applicable requirement
Application: Site / Ready-Mix / Precast / Laboratory / University
If you have a consultant specification or BOQ, send it together with the enquiry.
Beyond 100mm and 150mm Cube Moulds
Concrete laboratories may also require different specimen geometries.
MTM Precision can support customers looking for:
Concrete Cylinder Moulds
Concrete Beam Moulds
Mortar Moulds
CBR Moulds
Slump Testing Equipment
Concrete Compression Testing Equipment
Concrete Test Hammers
Curing Equipment
Laboratory Accessories
This allows customers to build a more complete testing system.
Complete Concrete Testing Solution Malaysia
The choice between 100mm and 150mm is only one part of laboratory planning.
A complete workflow may involve:
Fresh Concrete Testing → Specimen Preparation → Compaction → Curing → Strength Testing → Inspection → Reporting
MTM Precision aims to support customers across this wider Concrete & Construction Material Testing Solution.
Why Choose MTM Precision?
MTM Precision supplies Concrete Testing and Construction Material Testing Equipment in Malaysia for:
Contractors
Ready-Mix Concrete Companies
Precast Manufacturers
Independent Testing Laboratories
Universities
Consultants
Infrastructure Projects
QA/QC Departments
Customers can send us their mould dimensions, material, quantity, applicable testing requirement, BOQ, or complete laboratory equipment list for product selection and quotation.
Contact MTM Precision
MTM Precision Sdn. Bhd.
Showroom & Service Centre
No. 29-1 & 29-2, Jalan Bandar 18,
Pusat Bandar Puchong,
47160 Puchong, Selangor, Malaysia
🌐 Website: www.mtmpre.com.my
📧 Email: mtmpre@yahoo.com
📱 WhatsApp: +6016-660 7346
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11 Aug 2026
