Foil is sold by gauge, but buyers reject it for pinholes, weak seals and poor coating adhesion. Our foil testing instruments let rolling mills and converters check all of these before dispatch. As foil testing instruments manufacturers in India and suppliers in India, we serve foil mills, lidding and blister foil converters and packaging labs.
The range groups tests by purpose. Basic gauge checks use the digital micrometer thickness gauge and the sample cutter with balance for weight per area. Soundness is judged by the pinhole detector, tensile tester and bursting tester. Surface and coating performance are covered by the roughness tester, dyne inks and the cross-cut adhesion kit. For converted foil, the heat seal tester and permeability tester show how a lid or laminate performs on a container or blister pack.
A rolling mill concentrates on thickness, pinholes and tensile tests, while converters add adhesion, seal and barrier measurements.
Last updated: November 2026
Counts pinholes in aluminium foil by transmitted light in a darkened chamber. Used by foil rollers, lidding and flexible packaging converters. It is typically used on foil from 6 microns upward before laminating or lidding.
Light-load tensile tester for strips of aluminium foil to measure tensile strength and elongation. Used in foil mills and converters to verify annealing and gauge.
Hydraulic diaphragm tester measuring bursting pressure of foil and thin metal sheet. Used by foil producers to evaluate toughness and gauge uniformity. It is useful for assessing toughness of lighter gauges and household foil.
Cross-cut kit and standard tape for adhesion of lacquer and primer to aluminium foil. Used by lidding and container foil converters. Ratings guide decisions on primer choice, curing and storage conditions.
Heat-seals foil to container samples and measures peel force of lidding. Used by pharma blister, dairy cup and ready meal packaging makers. The combined sealing and peel routine suits process validation of closures.
Portable stylus profilometer measuring Ra and Rz of rolled foil and sheet surfaces. Used for roll quality control and laminating adhesion work. Surface values help control rolling quality and adhesion of coating or adhesive.
Contact thickness gauge for aluminium and metallised foil with 0.1 micron resolution. Used for gauge control in foil rolling mills and laminators. Readings help control gauge across the web width in rolling and converting.
Permeation tester for barrier properties of foil laminates, measuring moisture transmission through pinholes and flex-cracks. Used in blister pack and sachet foils. It also shows how flex-cracking and defects raise moisture ingress.
Rotary sample cutter and precision balance to find foil gram weight per square metre. Used for yield and gauge verification at foil mills. Results feed yield and gauge control.
Set of test inks and pens that determines surface wettability of aluminium foil after annealing, indicating oil residues. Used before lacquering, printing and lamination. The result guards against poor lacquer or ink adhesion due to oil residue.
| Function | Products | What to confirm |
|---|---|---|
| Gauge and weight | Foil Thickness Gauge Micrometer with Digital Display, Foil Weight Per Area Balance with Sample Cutter | Thickness range down to a few microns, resolution, contact pressure and sample cutter size. |
| Foil soundness | Aluminium Foil Pinhole Detector with Light Table, Aluminium Foil Tensile and Elongation Tester, Foil Bursting Strength Tester with Pneumatic Clamping | Light table area and counting method, load cell range, strip width and bursting pressure range. |
| Surface and coating | Foil Surface Roughness Tester for Rolled Aluminium, Foil Wettability Dyne Test Kit with Cleanliness Inks, Foil Coating Adhesion Cross Cut and Peel Tester | Roughness parameters and cut-off, ink dyne range and the tape specification for adhesion. |
| Sealing and barrier | Foil Heat Seal Strength Tester for Lidding Foil, Foil Water Vapour and Gas Barrier Permeability Tester | Seal temperature, pressure and dwell range, container formats and the permeation method and gas used. |
Foil instruments are tuned to rolled metal, so they emphasise pinholes, roughness, thin gauge measurement and lacquer adhesion. Composite film instruments handle laminated plastic webs and test bond strength, haze, friction, tear and dart impact. A converter laminating foil with film needs both groups, using foil tests on the incoming roll and film tests on the finished laminate.
See also: Composite Films Testing Instruments
The complete Foil Testing Instruments range (10 products), in alphabetical order:
Check the light table size against your sheet width, the lighting intensity and the room darkening needed. Ask whether pinholes are counted by eye, with a magnifier or by camera, and what minimum pinhole diameter can be seen. Standards and customer limits for pinholes per square metre should be known before you choose.
For aluminium foil, a contact micrometer with a flat anvil and constant pressure gives repeatable readings in microns. Check range, resolution to 0.1 micron, anvil flatness and parallelism, and calibration with gauge blocks. Weight per area using a cutter and balance is a good cross-check on the micrometer.
Ask about temperature range, pressure, dwell time control, jaw shape for cups or blister formats and a peel tester to read seal strength after sealing. Lacquer type changes the sealing window, so the tester should let you vary settings and record results for each lacquer batch.
Aluminium foil rolling mills, household foil converters, pharmaceutical blister and strip foil makers, dairy lidding foil converters, laminators making packaging for food and tobacco, and packaging test labs. A typical foil converter orders a thickness gauge, pinhole detector and tensile tester, then adds heat seal and barrier testers.
Pinholes let light, oxygen and moisture pass through, which defeats the barrier purpose of the foil. Thin gauge foils always have some, so buyers specify an allowed count per area and test it on a light table.
It shows the surface energy of the foil, which tells whether oil residues remain and whether coatings, lacquers or inks will wet the surface. Test inks of known dyne levels are brushed on and the liquid film behaviour is observed.
Foil is clamped over a diaphragm and pressure is increased until the foil bursts. The pressure at failure indicates how the foil withstands pack filling, drop and handling.
Yes. We manufacture the instruments in India and supply across the country and overseas. Tender documentation and calibration certificates are available, and we can arrange installation and training.
A grid is cut through the coating, standard tape is pressed on and pulled off, and the percentage of coating removed is rated. It shows whether lacquer or print will stay on the foil through forming and sealing.
We are leading manufacturers and suppliers for tender requirements from India, serving civil laboratory and industrial testing tenders and supplying mechanical engineering and testing laboratory equipment in bulk and on OEM terms. Send us your tender specifications, and a complete quotation for Foil Testing Instruments will be prepared accordingly.
Send us your equipment list or tender specification. We quote against IS, BS, EN, ASTM and AASHTO standards and ship to 90+ countries.
