HDPE bottles fail through stress cracking on shelf, leaking seals, wrong resin flow or crushed shoulders, and each has a measurable cause. Converters looking for HDPE bottles testing instruments manufacturers in India can source the matching testers here, and our suppliers in India service supports bottle plants, resin processors and test labs.
The range starts with the material. The melt flow index tester and the density balance verify the resin grade, and the ESCR tester shows how the finished bottle behaves with detergents and chemicals under stress. Mechanical performance is measured by the column crush tester, the pneumatic release drop impact tester, the hydrostatic pressure tester with burst mode and the squeeze force and recovery tester.
Closure and sealing checks include the pressure decay leak tester, the child resistant closure torque tester and the induction seal peel strength tester. Plants making pharma and household chemical bottles commonly install all closure and leak items together, because their customers audit them as a group.
Last updated: November 2026
Torque tester with push-and-turn fixture that measures the opening torque of child resistant caps on HDPE bottles. Used by pharma and agrochemical packaging companies for closure qualification.
Vertical compression tester that measures the column crush strength of empty or filled HDPE bottles between flat platens. Used by blow moulders and FMCG packers for lotion, detergent and dairy bottle stacking performance.
Precision balance with a hydrostatic weighing kit for measuring density of HDPE bottle sections and resin pellets by the immersion method. Used by moulders to check resin grade and to detect regrind or filler content.
Test rack with pressurised bottles in a heated detergent bath to find the time to stress crack failure of HDPE containers. Used by bottle makers for household chemical, lubricant and agrochemical packaging per ASTM D2561.
Hydrostatic pressure unit that fills and pressurises HDPE bottles to a set proof level or to burst, reporting leak point pressure. Used by bottle makers for aerosol-free chemical and food containers to test body and neck seal strength.
Peel tester with bottle-neck fixture that measures the force needed to separate induction heat seal foil from HDPE bottle rims. Used by pharma, food and agrochemical packers to check seal integrity.
Extrusion plastometer that measures melt flow rate of HDPE resin at 190 deg C and 2.16 or 5 kg load. Used by bottle makers and resin suppliers to verify blow moulding grades before use in extrusion blow machines.
Drop tester with pneumatic bottle release that drops filled HDPE bottles from a staircase of heights to calculate mean failure height. Used by dairy, lubricant and chemical bottle makers to qualify wall and base design.
Automatic air pressure decay tester with cap-sealing head that detects leaks in empty HDPE bottles by monitoring loss of pressure. Used for in-line sampling and lab QC at bottle makers and fillers.
Compression tester with rounded platen that squeezes sidewalls of HDPE bottles to measure force and recovery. Used by cosmetic, sauce and personal care bottle makers to verify squeeze feel and dispensing.
| Function | Products | What to confirm |
|---|---|---|
| Resin and stress cracking | Melt Flow Index Tester for HDPE Blow Moulding Grades, Digital Density Balance for Polyethylene Bottles and Resin, Environmental Stress Crack Resistance Tester for HDPE Bottles | Barrel temperature and weight set for MFI, balance readability, ESCR rack capacity, test temperature and reagent handling. |
| Strength and handling | Column Crush Tester for HDPE Bottles, Pneumatic Release Drop Impact Tester for HDPE Bottles, Hydrostatic Pressure Tester for HDPE Bottles with Burst Mode, Squeeze Force and Recovery Tester for HDPE Bottles | Compression capacity and platen, drop height and release type, pressure range and station count, squeeze platen shape. |
| Leak and closure | Pressure Decay Leak Tester for HDPE Bottles, Child Resistant Closure Torque Tester for HDPE Bottles, Induction Seal Peel Strength Tester for HDPE Bottle Liners | Leak test pressure and sensitivity, push-and-turn fixture, torque range, peel speed and neck fixture sizes. |
Jerry can instruments focus on large dangerous goods containers and rely on UN drop, stacking and heavy-duty pressure rigs. HDPE bottle instruments serve smaller packs for milk, pharma, household chemicals and agro products, adding ESCR, melt flow, squeeze recovery, child-resistant closure and induction seal tests. Pack size, closure type and customer standards decide which range a moulder buys.
See also: Jerry Cans Testing Instruments
The complete HDPE Bottles Testing Instruments range (10 products), in alphabetical order:
Confirm that the tester offers the temperature and weight set for polyethylene, commonly 190 deg C with 2.16 kg, and check temperature uniformity along the barrel. Ask about the cutter, piston and die cleaning tools, automatic timing, and whether volume or displacement measurement is offered. Calibration dies are useful for audits.
A pressure decay leak tester is quick and non-destructive, suited to checking every few bottles in production. A hydrostatic tester fills bottles with water and raises pressure until deformation or burst, giving structural data used for design approval. Most plants buy the leak tester first and the hydrostatic one if they make pressure-bearing packs.
The fixture must support push-and-turn or squeeze-and-turn closures while measuring application and release torque. Check the torque range, resolution, the ability to hold the bottle without deforming it and peak capture. Pharma customers usually specify the test method and acceptance values, so share them with us when ordering.
HDPE bottle blow moulders, milk and dairy packers, pharma and nutraceutical packagers, household chemical and agrochemical brands, resin producers and masterbatch companies, and independent packaging labs purchase this range. A moulder typically begins with column crush, drop and leak tests, then adds ESCR, melt flow and induction seal equipment when supplying detergent, pharma or agro customers.
Yes. We manufacture and export these instruments. Please provide the bottle sizes, closure types and local power details, and we will confirm the models and shipping requirements.
ESCR is the time a bottle survives under stress while exposed to a surfactant or chemical before it cracks. Bottles for detergent and cosmetics are tested because the contents can attack stressed polyethylene at the base or shoulders.
MFI indicates the flow of molten resin through a standard die. It affects how the parison forms and how wall thickness distributes. Checking incoming lots prevents sudden changes in moulding performance.
With suitable fixtures, yes. Ordinary screw caps need a clamp for the bottle and a chuck for the cap, while child-resistant caps need a push-and-turn fixture. Specify cap types so the correct fixtures are included.
The foil liner is peeled from the bottle neck at a set speed, and the peak force is recorded. It shows whether the induction sealing machine gives enough bond without making the liner too hard to open.
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