Finetech Engineering is a universal testing machine manufacturer Gujarat textile, pharma packaging, rubber and plastics testing labs rely on for accurate tensile, elongation, modulus and compression testing. Every UTM we build is manufactured under ISO 9001:2015 certification and dispatched from our Wagle Estate, Thane factory – manufacturer, not trader.
What is a universal testing machine – a UTM (also called a tensile testing machine) is an instrument that applies a controlled, measured force to a material specimen – usually pulling it apart at a constant rate – while recording the force and displacement throughout the test. From this data, the machine calculates tensile strength, elongation at break, modulus and, with the right fixtures, compression and flexural properties. It is called “universal” because a single machine, fitted with different grips and fixtures, tests multiple material properties rather than needing a separate instrument for each – valuable for Gujarat’s textile exporters testing fabric tensile and tear strength, and pharma manufacturers testing rubber closures and plastic packaging on the same line.
As a universal testing machine supplier Ahmedabad and universal testing machine supplier Surat testing labs have used since 2023, we supply UTMs configured for ASTM D412 and ISO 37 rubber tensile testing, ASTM D638 plastics tensile testing, and IS 3400 Part 1 for Indian-standard rubber physical testing. For UTM machine price Gujarat enquiries, contact us with your load capacity and test standard requirements, and we will confirm a quotation – every unit is dispatched from our Thane factory calibrated and ready to commission. On UTM machine cost Gujarat enquiries, pricing always tracks your load capacity and grip configuration – fabric grips cost differently to rubber dumbbell grips, so tell us your specimen type upfront.
Note: For Gujarat’s textile sector specifically, a UTM with the correct fabric-grip fixtures also performs fabric tensile and tear strength testing (standards such as ASTM D5034 grab test) – a genuinely standard UTM application, though outside the ASTM D412/ISO 37 rubber standards this page’s brief specifies. Tell us if you need fabric-specific grips alongside rubber/plastics fixtures. A UTM machine for fabric tensile and tear strength testing is exactly this same instrument fitted with the correct fabric-grip fixtures. Can a UTM test fabric tensile strength for textile QC on the same platform used for rubber and plastics? Yes – provided the correct fabric grips for UTM textile tensile testing are fitted, since standard rubber dumbbell grips will not hold a fabric specimen correctly.
Tip: UTM load capacity matters more than most labs initially budget for – a machine sized only for your current rubber tensile testing may not have the capacity for plastics flexural or compression testing if you expand scope later. Tell us your full expected test range, not just your immediate need, and we will recommend a load cell capacity with reasonable headroom.
UTM machine uses rubber plastics testing spans a wider range of properties than many Gujarat labs initially realise – a single, correctly configured UTM covers most of the mechanical property tests both material families require. Surat’s textile exporters typically add a similar range of fabric properties to this same list once they move beyond a single grab-tensile check:
| Property Tested | Rubber Application | Plastics Application |
| Tensile strength & elongation | Dumbbell specimen pulled to break – ASTM D412, ISO 37 | Dumbbell or dogbone specimen pulled to break – ASTM D638 |
| Modulus | Stress at a specified elongation (e.g. 100%, 300%) during the tensile pull | Tensile modulus calculated from the initial slope of the stress-strain curve |
| Compression | With compression platens fitted, force required to compress a specimen a set amount | Compressive strength and modulus for rigid plastics |
| Flexural strength | Less commonly tested for rubber | Three-point or four-point bend testing – ASTM D790 |
| Tear strength | With the correct grips, tear specimens (Die A/B/C) can be tested on the same UTM – ASTM D624 | Not typically a UTM test for plastics – usually a dedicated tear tester |
For Gujarat’s pharma packaging labs testing rubber closures alongside plastic packaging film and containers, one appropriately specified UTM – with the right grip sets and fixtures – covers tensile, elongation, modulus and compression testing across both material families.
Note: The grips and fixtures matter as much as the machine itself – a UTM rated for the correct load capacity still needs the correct specimen grips (pneumatic, mechanical wedge, or specialty grips for thin film or fabric) to test a given material and specimen type correctly. Confirm your specimen types when specifying a UTM.
ASTM D412 tensile test rubber procedure on a Finetech UTM follows a consistent sequence for Gujarat rubber testing labs:
| Step | What Happens |
| 1. Prepare the specimen | A dumbbell-shaped specimen is cut per the required die (A, B, C or D) from a rubber sheet of appropriate thickness. |
| 2. Mark the gauge length | Bench marks are applied at the specified gauge length to track elongation during the test, either mechanically or via an optical extensometer. |
| 3. Mount in the grips | The specimen is secured in the UTM’s grips, aligned to avoid introducing bending or off-axis loading. |
| 4. Pull at the specified rate | The crosshead moves at the ASTM D412 specified rate (typically 500 mm/min) until the specimen breaks. |
| 5. Record force and elongation | The UTM records the force and displacement throughout, calculating tensile strength at break, elongation at break, and modulus at specified elongation points (e.g. 100%, 300%). |
Note: Crosshead speed significantly affects rubber tensile results – always confirm the exact test rate your specification requires, since rubber’s viscoelastic behaviour means tensile strength and elongation results are not independent of pull rate. Put directly, why is crosshead speed important in rubber tensile testing: rubber does not respond to a fast pull the same way it responds to a slow one, so the pull rate itself is part of what determines the tensile strength and elongation figures the test produces.
ISO 37 test procedure is broadly similar to ASTM D412 in principle – both pull a dumbbell rubber specimen to break and record tensile strength, elongation and modulus – but differ in specimen dimensions and some procedural details Gujarat labs supplying pharma and export customers should know. In short, what is the difference between ASTM D412 and ISO 37 rubber tensile test comes down to one variable: the specimen die. The test principle itself barely changes between the two standards, but the dumbbell shape each one specifies is genuinely different:
| Feature | ASTM D412 | ISO 37 |
| Specimen dies | Die A, B, C, D – US convention dimensions | Type 1, 2, 3 – different dimensions from ASTM dies |
| Typical pull rate | 500 mm/min (standard) | 500 mm/min (Type 2, most common) – confirm for other types |
| Reporting convention | Tensile strength in MPa or psi depending on customer | Tensile strength in MPa (standard SI reporting) |
| Typical specification source | US and domestic Indian customers | European, multinational OEM and export customers |
For Gujarat rubber labs supplying pharma closure manufacturers and ISO-specifying textile export customers, the ISO 37 test procedure and ASTM D412 results are not directly interchangeable, since the specimen dimensions differ – always confirm which standard your customer specification names, and use the corresponding dedicated dumbbell cutter and UTM grip setup for that standard.
Note: IS 3400 Part 1 (the Indian standard for rubber tensile testing) closely follows ISO 37 dimensions and procedure, making it a practical reference point for Gujarat labs supplying both domestic IS-specification customers and ISO-specifying pharma and export customers.
As a universal testing machine manufacturer India textile, pharma and general manufacturing industries across Gujarat have relied on, our UTMs serve distinct testing needs city by city. Buyers researching a universal testing machine manufacturer India for textile fabric testing frequently ask us the same question exporters elsewhere ask: whether one instrument really covers both fabric and rubber specimen types, and for a correctly specified UTM, the answer is yes:
| City / Cluster | Primary Industries | UTM Application |
| Ahmedabad – GIDC Vatva | Pharma, textiles, chemicals, general rubber | ASTM D638 plastics tensile testing for pharma packaging; ASTM D412 for rubber closures; fabric tensile testing for textile QC |
| Surat – Sachin GIDC | Textiles, diamond processing, plastics processing | Fabric tensile and tear strength testing for textile export QC; ASTM D638 for plastics packaging |
| Rajkot – Metoda GIDC | General industrial, engineering, plastics, rubber | ASTM D412 rubber tensile and compression testing for engineering and general industrial goods |
Whether your lab is in Ahmedabad, Surat or Rajkot, as a universal testing machine manufacturer Ahmedabad and laboratory equipment manufacturer Gujarat plants have sourced from since 2023, we dispatch UTMs directly from our Wagle Estate, Thane factory – including testing instruments GIDC Vatva labs receive on scheduled delivery routes covering that cluster. A UTM machine for textile export quality control Surat exporters run daily and a UTM machine for textile fabric tear strength testing Surat labs specify are, in practice, the same base unit. As a UTM machine supplier GIDC Vatva Ahmedabad pharma manufacturers have sourced from directly, we keep both textile and pharma configurations in regular production.
| Standard | Material | Specimen | Application |
| ASTM D412 | Rubber | Dumbbell, Die A/B/C/D | Tensile strength, elongation, modulus – US/domestic specification |
| ISO 37 | Rubber | Dumbbell, Type 1/2/3 | Tensile strength, elongation, modulus – export/pharma specification |
| IS 3400 Part 1 | Rubber | Dumbbell, per IS dimensions (closely follows ISO 37) | Tensile strength, elongation, modulus – Indian domestic standard |
| ASTM D638 | Plastics | Dumbbell/dogbone, Type I-V | Tensile strength, elongation, modulus for plastics |
Manufacturer, not a trader. Every UTM is designed, built and calibrated at our Wagle Estate, Thane factory – not resold from another manufacturer.
ISO 9001 certified. Our manufacturing is ISO 9001:2015 certified and our equipment is CE marked.
NABL-traceable calibration. Calibration certificates traceable to national measurement standards, supporting NABL-accredited lab audits and pharma regulatory documentation requirements.
Built for rubber, plastics and textile testing. Configured for ASTM D412, ISO 37, IS 3400 Part 1 (rubber) and ASTM D638/D790 (plastics), with fabric-grip fixtures available for Gujarat’s textile testing labs.
Scheduled delivery across Gujarat. Regular routes covering Ahmedabad/GIDC Vatva, Surat/Sachin GIDC and Rajkot/Metoda GIDC from our Thane factory.
Installation, calibration and AMC. We commission, train operators and provide annual maintenance contracts across Gujarat.
| Product | Why Related |
Essential accessories – roller, wedge, pneumatic grips; compression, flexural, peel fixtures |
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Cuts the dumbbell specimens tested on the UTM |
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Cuts tear specimens for ASTM D624 tear testing on the UTM |
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Cuts film strips for ASTM D882 testing on the UTM |
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Cuts notches for Izod/Charpy impact specimens |
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For cutting specimens and moulding test sheets fed to the UTM |
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Complete range of cutting dies and moulds |
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Complementary impact testing alongside UTM tensile testing |
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Complementary melt flow testing – often paired with UTM in plastic QC labs |
All Equipments & specimen preparation products can be customised as per requirements.
