The Finetech Engineering humidity chamber manufacturer India is a temperature and humidity controlled rubber temperature humidity chamber manufacturer India designed for three critical laboratory functions: specimen conditioning before testing, accelerated aging of materials, and environmental simulation testing. It is the one piece of equipment that nearly every other test in your lab depends on – because almost every testing standard requires specimens to be conditioned at a specified temperature and humidity before the test begins.
So what is ASTM D618 specimen conditioning? ASTM D618 – the standard that governs conditioning of plastics – specifies 23°C ±2°C and 50% ±10% RH as the standard atmosphere. ISO 291 specifies the same conditions. If you test plastics per ASTM D638 (tensile), ASTM D256 (impact), ASTM D790 (flexural), or any other mechanical test, your specimens must spend at least 40 hours in this environment. This is exactly why specimen conditioning is required before testing – without a specimen conditioning chamber manufacturer India product like the Finetech humidity chamber, you cannot meet this requirement and your test results are technically non-compliant.
Beyond conditioning, the Finetech accelerated aging chamber manufacturer India product serves as an accelerated aging oven for rubber (per ISO 188 and ASTM D573), a heat resistance test chamber, and an environmental simulation tool for packaging testing per IS 9000. As a trusted humidity chamber for plastic testing India, Finetech provides PID-controlled temperature and humidity, forced-air circulation for uniformity, and a stainless steel interior that resists corrosion from years of humid operation.
Understanding why specimen conditioning is required before testing is essential: before any mechanical, thermal, or physical test, plastic and rubber specimens must be conditioned at a standard atmosphere to eliminate the effects of previous temperature and humidity exposure. Without conditioning, two identical specimens tested at different times of year (monsoon vs dry season) will give different results – not because the material changed, but because the moisture content changed. The humidity conditioning chamber ASTM D618 India from Finetech ensures your lab always meets this requirement.
Condition | Temperature | Humidity | Duration | Standard |
Standard atmosphere for testing | 23°C ±2°C | 50% ±10% RH | Minimum 40 hours (or until equilibrium) | ASTM D618 Procedure A, ISO 291 (23/50) |
Tropical atmosphere | 27°C ±2°C | 65% ±5% RH | Per material specification | ISO 291 (27/65) |
Dry conditioning | 23°C ±2°C | <20% RH (desiccator) | Per standard | ASTM D618 Procedure C |
Elevated temperature conditioning | 50°C or 70°C | Uncontrolled or specified RH | Per standard | Material-specific |
Notch Type | Geometry | Standard | Application |
V-Notch (Type A) | 45 deg included angle, 0.25mm +/-0.05mm tip radius | ASTM D256 notch cutter manufacturer spec, ASTM D6110, ISO 179 180 notch cutter India | Standard notch for most notch cutter for Izod Charpy test applications |
U-Notch | 1.0mm radius semicircular notch | ISO 179-1/eU | For materials where V-notch produces too brittle a failure, or when specified by product standard |
Custom Notch | As specified by customer standard | Custom | Non-standard notch geometries – your specimen notching machine manufacturer for special testing |
So how does accelerated aging test work? Accelerated aging tests expose rubber or plastic specimens to elevated temperature (and sometimes humidity) for extended periods to simulate years of real-world aging in weeks. The specimens are tested for mechanical properties before and after aging, and the percentage change in tensile strength, elongation, and hardness indicates how the material will perform over its service life. The Finetech accelerated aging chamber manufacturer India product makes this straightforward with precise temperature control up to 150°C.
Aging Condition | Temperature | Duration | Standard | Purpose |
Standard heat aging – rubber | 70°C | 7 days (168 hours) | ISO 188, ASTM D573 | General-purpose aging for most rubber compounds |
Moderate aging | 100°C | 3–7 days | ISO 188, ASTM D573 | Automotive, industrial rubber |
High-temperature aging | 125–150°C | 1–7 days | ISO 188 | High-temperature seals, FKM, silicone |
Humidity aging | 40°C / 93% RH | Various | ASTM D2247 | Moisture resistance of coatings and films |
Compression set aging | 70–150°C | 22 or 70 hours | ASTM D395, ISO 815 | Compression set fixture placed inside chamber |
For packaging testing per IS 9000 and ASTM D4169, specimens (complete filled packages) must be conditioned at specified temperature and humidity before vibration, drop, and compression testing. The humidity chamber provides the controlled environment for this pre-test conditioning.
The chamber is also used for tropical exposure simulation, moisture absorption studies, and corrosion resistance evaluation of metal components or coated surfaces.
Parameter | Specification |
Product Name | Humidity Chamber (Temperature & Humidity Controlled Environmental Chamber) |
Temperature Range | Ambient +5°C to 70°C (standard); up to 150°C (extended range model for aging) |
Temperature Accuracy | ±0.5°C (PID controlled) |
Temperature Uniformity | ±1°C across chamber at 23°C |
Humidity Range | 20% to 95% RH |
Humidity Accuracy | ±2–3% RH |
Humidity Generation | Steam generator / atomiser with filtered water supply |
Control System | PID microprocessor controller with digital display for temperature and humidity |
Interior Material | Stainless steel (SS 304) – corrosion-resistant for continuous humid operation |
Shelves | Adjustable, perforated stainless steel – removable for oversized specimens |
Air Circulation | Forced convection with motorised fan and ducting for uniform temperature and humidity distribution |
Door | Double-walled with magnetic gasket seal; toughened glass observation window |
Chamber Sizes | 100 L, 200 L, 300 L, 500 L, 1000 L (custom sizes available) |
Water Supply | External water connection or internal reservoir (model-dependent) |
Defrost System | Automatic (for models with cooling) |
Power Supply | 230V AC, single phase, 50 Hz (larger models: 3-phase) |
Safety Features | Over-temperature protection, door switch, low-water alarm, thermal fuse |
Standards Supported | ASTM D618, ISO 291, ISO 188, ASTM D573, ASTM D2247, ASTM D395, IS 9000, IS 3400 |
Certification | ISO 9001:2015 certified manufacturing |
Chamber Size | Capacity | Best For |
100 L | Small batches of specimens, limited lab space | Small QC labs, R&D labs, educational institutions |
200 L (most popular) | 50–100 specimens per batch, multiple test standards | Standard plastic and rubber QC labs – handles most specimen conditioning needs |
300 L | 100–200 specimens, larger trays, compression set fixtures | Labs running multiple tests simultaneously, medium-volume conditioning |
500 L | Large specimen batches, small packages, bulky fixtures | Labs with high specimen volume, packaging pre-conditioning |
1000 L+ | Complete transport packages, palletised goods, large fixtures | Packaging testing labs (IS 9000), large-scale aging studies |
Test | Standard | Conditioning Requirement | Duration |
Tensile testing | ASTM D638, D412, ISO 527, ISO 37 | 23°C / 50% RH | 40 hours (ASTM D618) |
Impact testing | ASTM D256, D6110, ISO 179, ISO 180 | 23°C / 50% RH | 40 hours |
Flexural testing | ASTM D790, ISO 178 | 23°C / 50% RH | 40 hours |
Hardness testing | ASTM D2240, ISO 868 | 23°C / 50% RH | 1 hour minimum |
Compression set | ASTM D395, ISO 815 | Fixture placed IN the chamber at 70–150°C | 22 or 70 hours |
Accelerated aging | ISO 188, ASTM D573 | 70–150°C (temperature-only or with humidity) | 1–7 days |
DIN abrasion | DIN 53516, ISO 4649 | 23°C conditioning | 16 hours minimum |
Tear testing | ASTM D624, ISO 34-1 | 23°C / 50% RH | 40 hours |
Burst strength (paper) | ISO 2758, TAPPI T403 | 23°C / 50% ±2% RH | 24 hours (ISO 187) |
Vibration / drop testing | IS 9000, ASTM D4169 | Conditioning before and between test stages | Per standard |
Three functions in one machine – humidity chamber manufacturer India choice. Conditioning (23°C/50% RH), accelerated aging (up to 150°C), and environmental simulation – all from one chamber. No need for a separate oven and a separate conditioning unit.
Stainless steel interior as standard. The interior operates at high humidity for thousands of hours. Carbon steel corrodes within months. The Finetech chamber uses SS 304 stainless steel interior throughout – walls, shelves, ducting, and door liner.
Specimen conditioning chamber manufacturer India – pairs with every Finetech testing machine. UTM, impact tester, Shore hardness, DIN abrasion, compression set, burst tester, vibration tester, drop tester – every one of these machines requires conditioned specimens. One humidity chamber serves all of them.
IS 9000 and IS 3400 compliance. Meets Indian packaging and rubber testing standards alongside ASTM and ISO – important for domestic government tenders and BIS-mandated testing.
Calibration and AMC support. Temperature and humidity sensor calibration, door gasket inspection, water system maintenance, and fan motor servicing – all covered under AMC.
Product | Why Related |
Universal Testing Machine (UTM) | Specimens must be conditioned before tensile, compression, and flexural testing |
Izod & Charpy Impact Tester | Specimens must be conditioned at 23°C/50% RH for 40 hours before impact testing |
Compression Set Apparatus | The compression set fixture is placed INSIDE the humidity chamber for aging |
DIN Abrasion Tester | Specimens must be conditioned at 23°C before abrasion testing |
Shore D Hardness Tester | Specimens conditioned at 23°C for hardness testing |
Notch Cutter | Notched impact specimens must be conditioned before testing |
Vibration Tester | Packages conditioned before transport simulation testing |
Drop Tester | Packages conditioned before drop testing |
Burst Strength Tester | Paper specimens conditioned at 23°C/50% RH for 24 hours |
Customisation available
We provide NABL-traceable dimensional certification for the notch geometry produced by the cutter — verifying that the 45° angle and 0.25 mm tip radius meet the standard requirements. This documentation supports your NABL accreditation application and is included when requested.
