Evaluating flex cracking and crack growth of vulcanized and thermoplastic rubbers | DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER / No.119

• No.119 DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER
• No.119-L/H DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER (WITH REFRIGERATING MACHINE / WITH HEATING CHAMBER)
• No.119-L/H-VR DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER (WITH REFRIGERATING MACHINE/WITH HEATING CHAMBER/PICTURE BREAK DETECTION FUNCTION)

Overview of DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER

This tester is used to measure the appearance of cracks and the growth of the cracks to vulcanized rubber and thermo-plastic rubber by adding repetitive bending stress.
The test is conducted by setting the sample to the parallel allocated Chuck and adding repetitive bending stress.
The tester can also be assorted with a low temperature oven (L type).

Reference Standards

JIS K6260、ASTM D813、BS-903、ISO 132

Specification

Specifications are subject to change without notice.
Number of Test Samples	6 samples per test
Test Sample	Width 25 ± 1 mm, length 140–155 mm, thickness 6.30 ± 0.30 mm, groove radius R2.38 ± 0.03 mm
Grip Distance	Max. 75 +1/-0 mm
Travel Distance	Max. 60 mm (Standard 57 +0.5/-0 mm)
Flexing Cycle	300 ± 10 cycles per minute
Counters	8 digit preset counter and 8 digit total counter
Accessories	Grip distance gauge, piercing blade
Option	Piercing tool set
Power Source	AC 200 V 3-phase 15 A 50/60 Hz
Dimensions and Weight (Approx.)	W680×D580×H920 mm, 115 kg

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Overview of DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER (WITH REFRIGERATING MACHINE / WITH HEATING CHAMBER)

This tester is used to measure the appearance of cracks and the growth of the cracks to vulcanized rubber and thermo-plastic rubber by adding repetitive bending stress.
The test is conducted by setting the sample to the parallel allocated Chuck and adding repetitive bending stress.
Test at low temperatures or high temperatures with a constant temperature chamber-equipped No.119-L/H.

⇒ Examples of Use

Reference Standards

JIS K6260、ASTM D813、BS-903、ISO 132

Specification

Specifications are subject to change without notice.
Model	119-L	119-H
Number of Test Samples	6 samples or 20 samples per test
Test Sample	Width 25 ± 1 mm, length 140–155 mm, thickness 6.30 ± 0.30 mm, groove radius R2.38 ± 0.03 mm
Grip Distance	Max. 75 ＋1/-0 mm
Travel Distance	Max. 60 mm (Standard 57 +0.5/-0 mm)
Flexing Cycle	300 ± 10 cycles per minute
Counter	8 digit preset counter and 8 digit total counter
Temperature	-35–150°C (refrigeration control)	Room temperature + 25–150°C
Accessories	Grip distance gauge, piercing blade
Option	Piercing tool set, CSV file output
Power Source	AC 200 V 3-phase 40 A 50/60 Hz	AC 200 V 3-phase 30 A 50/60 Hz
Dimensions and Weight (Approx.)	6 samples: W960×D850×H1,750 mm, 500 kg 20 samples: W960×D850×H1,750 mm, 520 kg

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Overview of DE MATTIA FLEX-CRACKING AND CRACK GROWTH TESTER (WITH REFRIGERATING MACHINE/WITH HEATING CHAMBER/PICTURE BREAK DETECTION FUNCTION)

With an ultra high speed digital camera, this model can capture the image of the sample and detect sample breaks. It can also individually record the number of breaks for each channel.

Reference Standards

JIS K6260、ASTM D813、BS-903、ISO 132

Specification

Specifications are subject to change without notice.
Model	No.119-L-VR	No.119-H-VR
Test Sample	Width 25 ± 1 mm, length 140–155 mm, thickness 6.30 ± 0.30 mm, groove radius R2.38 ± 0.03 mm
Grip Distance	Max. 75 +1/-0 mm
Travel Distance	Max. 60 mm (Standard 57 +0.5/-0 mm)
Flexing Cycle	300 ± 10 cycles per minute
Number of Test Samples	12 samples per test (6 samples × 2 rows)
Counters	8 digit preset counter and 8 digit total counter
Timer	Max. 999 hr
Temperature	-35–150°C (refrigeration control)	Room temperature + 25–150°C
Break Detection	Ultra high speed digital camera
Accessories	Grip distance gauge, piercing blade
Power Source	AC 200 V 3-phase 40 A 50/60 Hz
Dimensions and Weight (Approx.)	W1,180×D1,200×H1,980 mm, 560 kg