Toyo Seiki Seisaku-sho, LTD. List of Products and Services

This is a density (specific gravity) meter used for measuring the density of materials such as rubber and plastic using the underwater displacement method (liquid displacement method). Options include clamps for measuring volume change rates, clamps for measuring solid specific gravity values below 1.0, clamps for measuring liquid specific gravity (0.6 to 2.0), automatic input of immersion liquid temperature, various constant temperature baths, dedicated beakers, and data transfer software.

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This is an ultra-accelerated weathering test system developed by Toyoda Central Research Institute based on high-speed weather resistance testing technology, commercialized by Toyo Seiki Seisakusho Co., Ltd. This system combines a xenon lamp as the light source for accelerated weather resistance testing (xenon weather meter) with the spraying of hydrogen peroxide, achieving a rate of acceleration more than 100 times that of outdoor exposure due to the photocatalytic action of titanium dioxide contained in the paint film.

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This is an impact testing machine that simultaneously measures the force and displacement of impact destruction, allowing for the evaluation of the impact fracture characteristics of plate-like materials such as rigid plastics by measuring maximum impact force, displacement at maximum impact force, energy at maximum impact force, and puncture energy.

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Toyo Seiki Seisakusho Co., Ltd. has been working on the full automation of material testing machines since the 1970s. Today, we offer a wide range of fully automated measurement models for tensile testing of plastics and rubber materials, melt flow rate (MFR/MVR) measurement, heat deflection temperature (HDT/DTUL) measurement, rubber vulcanization testing, and density measurement, which are utilized by customers in quality control, including those in the materials and automotive industries. Please take advantage of Toyo Seiki Seisakusho's fully automated material testing machines, which contribute not only to labor-saving and efficiency in measurement tasks but also to the improvement of reproducibility and safety of measurement results.

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●This is a testing machine for thermal aging tests of materials such as plastics and rubber. ●Unlike general constant temperature chambers or dryers, this oven is specifically designed for thermal aging tests, with conditions such as temperature distribution, wind speed, and air replacement rate designed to meet testing standards like JIS and ISO.

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The behavior of the ink film when it separates between rolls on a printing machine is greatly influenced by the characteristics of the ink, making it one of the important factors in evaluating print suitability. This device models the functions of each roll on the printing machine and measures the tack of the ink that appears there.

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This is a testing machine for conducting wear tests on hollow cylindrical plastic specimens based on JIS K 7218-1986 Method A. It can test six specimens simultaneously.

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● The pressurization uses an oil pack cylinder (booster cylinder), making it easy to handle. 【Model P2】 ● To improve work efficiency, the heating plate and cooling plate are independent, allowing for a shorter work cycle. 【Model 10T】 ● The cooling speed can be controlled by a timer.

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As a rubber wear testing machine, it has been widely used for a long time, similar to the Akron method. The test specimen is pressed against a grinding plate with a constant load, and the work done is calculated from the frictional force when the grinding plate rotates, allowing for the calculation of the rubber wear volume.

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●Single-screw extruder for thermoplastic resins. ●D2025 with L/D 25 and vent port, D2010 (L/D 10) for elastomers, and D2015 (L/D 15) are also available.

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●This is a type of mixer designed for thermoplastic resins that has strong kneading capabilities with high shear. ●There are also R100 (100㎤), R200 (200㎤), R500 (500㎤), as well as R30 (30㎤) primarily for thermosetting resins and R75 (75㎤) for elastomers.

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● It is suitable for materials with low tear strength that cannot be handled by the Elmendorf tear testing machine. ● The tear strength is displayed in a line graph. ● The average, maximum, minimum, and standard deviation of the measurement data are displayed. ● One calibration weight is included for each measurement range.

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● Air-operated seat press is also available.

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We evaluate color transfer caused by friction from dyed fabrics and other materials.

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You can easily punch out by utilizing the rotational force of the handle.

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Evaluate the recovery rate when a rubber material is subjected to a constant compressive strain at high temperature and then the compressive strain is removed.

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The size of the grains is determined from the depth of the two sloped grooves.

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The drying and curing time of paints, inks, adhesives, etc., is measured non-contactly by irradiating the surface of the sample with laser light and analyzing the reflected interference fringe patterns.

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Composition: 1) Slitter (a tool for making specified scratches on the test piece) 2) Clamp for bending test pieces 3) Test piece transfer tool (a tool for transferring the test piece to the holder)

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It is possible to actually apply periodic bending and twisting loads to evaluate the IC card.

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It is a digital version of the conventional durometer that measures the hardness of materials like rubber using the needle penetration method.

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It is possible to conduct puncture impact strength tests on plastic films and other materials in environments ranging from -35℃ to 100℃.

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● Tensile tests can be conducted on materials with high elongation in a temperature environment (40℃ to 150℃). ● Up to four test specimens can be tested simultaneously. ● Since the crosshead is installed inside the chamber, the stroke between the chucks can be larger within the constant temperature chamber compared to a combined machine that attaches a constant temperature chamber to a standard tensile testing machine or universal testing machine.

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- Measures gas permeability (gas barrier properties) of plastic films and rubber sheets. - Adopts automatic valves for fully automated measurements. - Does not limit the type of measurement gas. - The measurement section supports two sizes of test specimens (measurement section diameters ∅30mm and ∅70mm). - Modular design of the measurement section allows for additional expansions. - Temperature error correction function for permeating gases. - Email function enables receipt of messages in case of errors or at the end of tests. - Measurements are executed while saving data, allowing for data analysis confirmation even during tests. - Options available for measuring diffusion coefficients, solubility coefficients, and hydrogen gas. - Utilizes a high-precision vacuum gauge with a reading accuracy of 0.25%. Reference Standards: JIS K7126-1, JIS K6403-3, ISO 15105-1, ISO 2782-1 (only for CT and BT types), ISO 7229 (only for CT and BT types), JIS K6275-1 (only for CT and BT types).

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●Options for the tensile and compression testing machine, universal materials testing machine "Strograph" ●Compatible with the measurement of tensile modulus of elasticity for plastic test specimens as specified by JIS, ISO, and others.

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It is a parallel twin-screw extruder that has stronger mixing than a single-screw extruder and is less prone to surging (slipping). It comes with a vent port for gas release and has a type with an L/D ratio of 25.

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● It is a compact tabletop type, so it can be easily used anywhere. ● The pressurization operation of the pump allows for the movement of the pressurization plate and fine pressurization operation. (Automatic switching, two-speed type) ● It has a fast heating rate and excellent temperature distribution. ● It is equipped with an overheat prevention circuit. ● It satisfies the functions of two devices (heating and cooling) with one unit. ● Cooling compression can be performed without lowering the temperature of the heating plate due to the rotary cooling plate.

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● The impact force applied to the sample can be measured using a load converter. ● Changes in impact force over time can be measured.

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●Temperature setting range: -40℃ to 40℃ ●The main switch of the impact testing machine automatically sets the test specimen on the sample stage and conducts the test. ●Up to 15 test specimens can be stored. ●By automating the test specimen setup, the accuracy of the specimen setup and the setup time (within 5 seconds) are standardized, eliminating human error.

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It is a type with high shear and strong kneading, targeting thermoplastic resins.

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A hopper that allows testing of samples under nitrogen purge or vacuum conditions (absolute pressure 5 kPa, max 250°C) while applying pressure in a cylinder. (Block No. 2 will have a round hole type.)

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It is used in the configuration of an extruder + inflation die + inflation take-up device. *The inflation die comes in cross and spiral types.

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● It is a segment system where screws can be freely reconfigured. ● By combining screw segments, you can adjust the strength of mixing and change the mixing zones. ● It is equipped with a vent port and a side feeder hole that allows for sample supply from the middle. ● The screw rotation speed is twice the motor's set rotation speed, enabling high shear mixing. ● Since it rotates in the same direction, it has self-wiping properties.

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It is used for the evaluation test of plasticizer absorption of PVC powder or similar powders in drive blends.

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- Although it is a compact twin-screw extruder with a diameter of 15mm, it enables powerful mixing. - By rearranging the screw segments, mixing with varying intensities can be achieved in any zone, and degassing is also possible. - Based on the information obtained from the mixer, a small amount of compound can be sampled. (Internal cylinder volume: approximately 31cm³, discharge amount: approximately 1.8kg/h) - It can detect data on pressure, resin temperature, and torque, providing information on mixing processing conditions. (Pressure sensor is optional) - Quantitative supply can be achieved with a small volumetric feeder.

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● A small amount of sample (4-5 cm³) can be used for kneading evaluation tests (dispersion, wetting, reaction, crosslinking, absorption, etc.). ● A powerful kneading test can be conducted using a gear-type co-rotating blade based on the principle of a twin-screw extruder. ● The strength of kneading can be adjusted arbitrarily according to the sample by rearranging the disk phase of the blade. ● Optional tests for simple vacuum (degasification), N2 purging (to prevent oxidative degradation), and observation (visualization) of the kneading interior are available.

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You can program the pressure and time settings.

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You can easily punch through samples with air cylinder drive!

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