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Chemical name: 95% Benzenepropanoic acid, 3-(2H-benzotriazol-2-yl)-5-(1,1- dimethylethyl) , -4-hydroxy-C7-9-branched and linear alkyl esters,and 5% 1-methoxy-2- propyl acetate CAS No.：127519-17-9 Molecular Formula: C27H39N3O3 Molecular Weight: 451.61 Molecular structure Specification Appearance: Pale yellow liquid Purity: ≥93%(HPLC) Viscosity, 20℃: 2600-3600mPas Density, 20℃: 1.07g/cm³ Application UV ABSORBER HOSORB-UV 384-2 is non-toxic, non-flammable, non-explosive, non- corrosive, good storage stability. It is recommended for automotive coatings and general industrial applications i.e. coil coatings, wood coatings. It is easy incorporation into water borne systems. The performance provided by UV 384-2 can be enhanced when used in combination with a HALS stabilizer such as HLAS-292. info at hhochem.com

Chemical name: Methylene bis [(3-(2-benzotriazolyl)-2-hydroxy-5-tert-octylpheny , l) CAS No.：103597-45-1 Molecular formular：C41H50N6O2 Molecular weight：658.9 Molecular structure Specification Appearance: Slightly Yellow powder Melting point，℃：195-198 Assay by HPLC, %: ≥99 Ash, %: ≤0.1 Volatility, %: ≤0.3 Transmittance: 460nm≥ 97% 500nm≥98% Application UV ABSORBER HOSORB-UV360 is a highly effective ultraviolet light absorber with strong absorbance in the 300-400nm region. It provides excellent compatibility and low volatility. It is particularly suitable for processing and aging conditions where high temperature, low volatility and good compatibility are required, such as complex molding, fibers, sheets, laminated or coextruded semi-finished parts.It is suitable for PE, PP, PC, POM, PVC, PA, PE, PU, ABS resin, elastomer, adhesive etc. The synergism can be realized when it is combined to use with HALS or antioxidant. info at hhochem.com

Chemical name: 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriaz , ole CAS No.：3147-75-9 Molecular formular：C20H25N3O Molecular weight：323 Molecular structure Specification Appearance: White powder Melting point，℃：103-105 Assay (HPLC), %: ≥99 Ash, %: ≤0.1 Loss on drying, %: ≤0.3 Transmittance 450nm≥98% 500nm≥99% Solubility (20℃, g/100ml solvent) Acetone:9 Benzene:32 Chloroform:37 Ethyl acetate:15 n-Hexane:6 Methanol:0.6 Methylene chloride:38 Water＜0.01 Application UV ABSORBER HOSORB-329 is excellent benzotriazole ultraviolet absorbent with effective absorption of ultraviolet radiation in 270-380 nm region. It is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin etc. It is particularly suitable for the protection of polycarbonates. In transparent products and high temperature processing of engineering plastics, its effect is excellent. It can also be used for polyolefin. info at hhochem.com

Chemical name: 2-(2'-Hydroxy-3'-tert-butyl-5'-methylp , henyl)-5-chlorobenzortriazole CAS No.: 3896-11-5 Molecular formula:C17H18ClN3O Molecular weight: 315.8 Molecular structure Specification Appearance: Slightly yellow powder Assay (HPLC),%: ≥99 Melting point，℃:137-142 Ash, %: ≤0.1 Loss on Drying, %: ≤0.5 Transmittance, %: 460nm≥93% 500nm≥96% Solubility (20℃, g/100ml solvent) Water＜0.01 Acetone:1 n-Hexane: 1 Benzene: 10.5 Ethyl acetate: 2 Toluene: 11.3 Methanol: 0.1 Chloroform: 11 Methylene chloride: 4.3 Ethanol: 0.1 Cyclohexane: 6.4 Application UV ABSORBER HOSORB-326 has a wide range of indirect food approvals in polyolefin. It has a low volatility at high temperatures and high resistance to thermal degradation and can therefore be used without significant loss or decomposition in the polyolefin compounding and molding processes. It is especially suited for polyolefins and cold cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins. info at hhochem.com

Chemical name: N-(2-Ethoxyphenyl)-N‘-(4-ethylphenyl)-ethlyene diamide CAS No.: 23949-66-8 Molecular formula: C18H20N2O3 Molecular weight: 312.37 Molecular structure Specification Appearance: White crystalline powder Assay, %: ≥99 Melting point，℃：122-127℃ Transmittance: 460nm ≥95% 500nm ≥97% Loss on Drying, %: ≤0.5 Application UV ABSORBER UV 312  has a low volatility and good thermal stability. It is particularly effective for short-wavelength UV light. It can be used in solventborne coatings and general industrial coatings to provide standard UV stabilization performances. In particular, it is recommended for UV cured systems. It is suitable for polyesters, PVC plastisol, polyurethanes, polyamides, polymethylmethacrylate, polybutyleneterephtalate, polycarbonates and cellulose esters.  It is particularly effective include polyamides, PVC (rigid and flexible), polyesters (thermoplastic and thermoset). infor at hhochem.com

Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole CAS No.:70321-86-7 Molecular formula: C30H29N3O Molecular weight: 447.6 Molecular structure Specification Appearance: Light yellow powder Purity, %: ≥ 99 Melting point，℃:139.5-141 Volatile matter, %: ≤ 0.5 Ash, %: ≤ 0.05 Transmittance 450nm≥97% 500nm≥98% Solubility (20℃, g/100ml solvent) Acetone:2 n-Hexane: 0.6 Benzene: 10 Ethyl acetate: 4 Toluene: 20 Chloroform: 35 Methylene chloride: 34 Ethanol: 0.3 Cyclohexane: 5 MEK: 13 Methanol＜0.1 Water＜0.01 Application UV ABSORBER HOSORB-234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class. It has low volatility at high temperatures and high resistance to thermal degradation for compounding and molding applications. It is highly effective for polymers processed at high temperature such as polycarbonate, polyester, polyacetal, PPO, polyamide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers etc.. It is also useful in the light stabilization of powder coatings and solvent-based coatings. info at hhochem.com

Chemical name: 2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate CAS No.: 4221-80-1 Molecular formular: C29H42O3 Molecular weight: 438.6 Molecular structure Specification Appearance: White powder Melting point，℃: ≥ 193 Purity (GC), %: ≥ 99 Loss on Drying, %: ≤0.3 Light transmittance,%, 450nm: ≥ 98 Application UV ABSORBER HOSORB UV 120 is substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement, dissipates the energy as heat. It is no color contamination, low volatility, high thermal stability, excellent resistance to washing and extraction. It exhibits a synergistic effect in combination with HALS. As light stabilizer and antioxidant, it can be used in the polymer. It is suitable for polyethylene, polypropylene, polystyrene, PU, TPU and other products, especially suitable for polypropylene films, coatings, adhesives and fiber.  info at hhochem.com

Chemical name: 2-Hydroxy-4-Methoxy Benzophenone (Benzophenone-3) CAS No.：131-57-7 Molecular formular：C14H12O3 Molecular weight：228.24 Molecular structure Specification Appearance: Pale yellow crystalline powder Purity, %: ≥99 Melting point，℃：63-66 Heavy metals: 5ppm max Ash, %: ≤0.1 Loss on Drying, %: ≤0.5 Specific Extinction: 285nm ≥ 630 325nm ≥ 400 Application UV ABSORBER HOSORB-UV9 is a high-efficient UV radiation absorbing agent. It is effectively absorbs UV radiation of 290-400 nm wavelength. It almost does not absorb visible light. It is particularly used for light-colored transparent products. It is well stable to light and heat, not decomposable below 200°C. It is also used for paint and various plastic products, particular effective to PVC, PS, PU, acrylic resin, light-colored transparent furniture, as well as to cosmetics. info at hhochem.com

Chemical name: N-（ethoxycarbonylphenyl）-N'-methyl- N'-phenyl formamidine CAS No.：57834-33-0 Molecular formular：C17H18N2O2 Molecular weight：282.3 Molecular structure Specification Appearance: Slightly yellowish liquid Assay, %: ≥ 98.5 Boiling point, ℃/0.1mmHg：188-190 Water，%：≤1.0 Solubility (25℃, g/110g solvent) Water ＜0.01 Aceton ＞50 Methanol ＞50 Ethylacetate ＞50 Application UV ABSORBER HOSORB-UV1 is a high efficient anti-ultraviolet additive. It is widely used in adhesives, polyurethane, foam and other materials. Because of its excellent absorption property, the ultraviolet radiation in 240-340nm is effectively absorbed and the ultraviolet radiation in the 300-330nm is nearly absorbed completely. Its anti-ultraviolet effect is 1.1-1.4 times as efficient as the UV absorbers of benzophenone or benzotriazole types. UV1 has good effect on the polymer system and it has good compatibility with the resin. The anti-yellowing effect is excellent. Its effect is superior to the other UV agent for PU. It is widely used in PU foaming, PU coating, PU leather, PU board and resins etc. info at hhochem.com

Chemical name: 2,4-Dihydroxy-Benzophenone(Benzophenone-1) CAS No.：131-56-6 Molecular formular：C13H10O3 Molecular weight：214.22 Molecular structure Specification Appearance: Yellowish crystalline podwer Melting point，℃：143 - 146 Purity, %: ≥99 Loss on Drying, %: ≤0.5 Light transmittance 290nm≥630 Application UV ABSORBER HOSORB-UV-0 is a light stabilizer agent. It is applicable to polyolefine, poyvinyl chlornamee, polystyrene etc. It can be used as the intermediate of UV-absorbing agents as well. info at hhochem.com

Chemical Name： Nonylphenol Disulfide Oligomer CAS NO.: 172826-32-3 Specification Appearance：Dark brown, viscous liquid Sulfur Content,% 9.4-10.6 Chloride Concentration, % 0.1 max. Viscosity at 100 °C, centistokes 30 – 100 mPa Solubility: Soluble in benzene, toluene, heptane, methanol, ethanol and other organic solvents; Insoluble in water. Its solubility is (25 ℃, g/100g): Toluene＞ 100 Heptane＞ 100 Methanol＞ 100 Water＜ 1 Application ANTIOXIDANT HONOX-323 is used in rosin, rosin ester, rosin resin, adhesive, petroleum oil and wax. It makes improvement in color bleaching and disproportionation catalyst. 1, Rosin or rosin resins such as pentaerythritol rosin ester, maleic acid resins, glycerol rosin ester: adding 0.2-0.3% 323 and 2-3 Gardner can be improved greatly. 2, Disproportionation of rosin: it is an efficient catalyst for the disproportionation of rosin. It converts instable conjugated double bond in the rosin molecule into stable conjugated double bond with an aromatic ring structure, which means to convert the abietic acid into dehydroabietic acid. The dosage in the process is 0.1-0.3% and optimum amount is 0.2%. 3, Anti-crystallization of rosin: Rosin is a non-crystalline transparent solid, but it tends to crystallize. Crystallization of rosin causes a reduction in rosin’s transparency and solubility, affecting its usage. Adding 0.2% 323 to the rosin and it can improve its anti-crystallization performance. info at hhochem.com

Hantek DSO3000 Series based PC USB Digital Oscilloscope 1GSa/s Optional: DSO3102, DSO3102A, DSO3202, DSO3202A , DSO3104, DSO3104A, DSO3204, DSO3204A Product Specification : Model:DSO3102/DSO3102A/DSO3202/DSO3202A/DSO31 , 04/DSO3104A/DSO3204/DSO3204A Analog Channels: 2 channels - DSO3102/DSO3102A/DSO3202/DSO3202A; 4 channels - DSO3104/DSO3104A/DSO3204/DSO3204A Bandwidth: DSO3102-60MHz, DSO3102A-100MHz, DSO3202-200MHz, DSO3202A-250MHz DSO3104-100MHz, DSO3104A-150MHz, DSO3204-200MHz, DSO3204A-250MHz Rise Time: DSO3102-5.8ns, DSO3102A-3.5ns, DSO3202-1.7ns, DSO3202A-1.4ns DSO3104-3.5ns, DSO3104A-2.3ns, DSO3204-1.7ns, DSO3204A-1.4ns Input Impedance Resistance: 1MΩ; Capacitance: 25 pF Input Sensitivity: 10mV/div to 5V/div Input Coupling: AC/DC/GND Vertical Resolution: 8 bits Memory Depth: 10K-256M/CH Maximum Input: 400V (DC+AC Peak) Real-Time Sampling Rate 1GSa/s Time Base Range: 5ns/div to 1000s/div(1-2-5 sequences) Time Base Precision: ±50ppm Source: CH1, CH2, EXT-DSO3102/DSO3102A/DSO3202/DSO3202A; CH1, CH2,CH3, CH4, EXT-DSO3104/DSO3104A/DSO3204/DSO3204A Auto Measurement: Vpp, Vamp, Vmax, Vmin, Vtop, Vmid, Vbase, Vavg, Vrms, Vcrms, Preshoot, Overshoot, Frequency, Period, Rise Time, Fall Time, Positive Width, Negative Width, Duty Cycle Cursors Measurement: Horizontal ,Vertical, Track, Auto Measure Modes Waveform Signal Process +,- , x,÷, FFT, Invert Voltage Range: 10mV to 5V/div @ x 1 probe; 100mV to 50V/div @ x 10 probe; 1V to 500V/div @ x 100 probe; 10V to 5000V/div @ x 1000 probe; 100V to 50000V/div @ x 10000 probe; 200mV to 100V/div @ 20:1 Current Range: CC65(20A), CC65(60A), CC650, CC1100 FFT: Rectangular, Hanning, Hamming, Blackman Window Math: Addition, subtraction, multiplication, division Interface: USB 2.0 Power Source: 8--36V Wide range of input voltage, suitable Volume: 255 x 190 x 45 (mm) Weight: 1.5Kg DSO3000 Series (1GSa/s) Parameter : 256M memory depth; 2/4 channel and EXT trigger; 60-250MHz bandwidth; 1GSa/s real-time sampling rate; 8--36V Wide range of input voltage,suitable for vehicle power test; More than 20 kinds of automatic measurement function, PASS/FAIL Check function, is suitable for engineering application; Excellent industrial design, similar interface with bench oscilloscope, easy to use; Software support: Windows NT, Windows 2000, Windows XP, VISTA, Win7, Win8; Supply DEMO code (VC, VB, LABIEW) and technical support.

Minimum Order: 1 bags

Hantek 6000BE Series portable oscilloscope, PC USB digital storage oscilloscope - 6082BE / 6052BE / 6022BE, have one USB 2.0 port and the standard USBXITM interface. No extra power cord needed, it can works with a laptop or desktop. Hantek 6082BE Parameter : Channel: 2 Channels Bandwidth: 80MHz Input Impedance: 1MΩ 25pF Max. Sample rate: 250MS/s Coupling: AC/DC/GND Vertical resolution: 8 Bits Gain range: 10mV-5V, 9Steps DC accuracy: ±3% Time base range: 4ns-1h, 38 Steps Vertical adjustable: Yes Input protection: Diode clamping X-Y: Yes EXT. input: Yes Trigger Mode: Auto, Normal and Single Trigger Slope: +/- Trigger level adjustable: Yes Trigger Type: Rising edge, falling edge Trigger Source: CH1, CH2, EXT Pre / Post trigger: 0-100% Buffer size: 10K-64KB / Channel Sampling selection: Yes Waveform Display: port / line, waveform average, persistence, intensity Network: Open / Close Vertical mode: CH1, CH2, Dual, ADD Cursor measurement: Yes Math: FFT, addition, subtraction, multiplication, division. Cursor: Frequency, Voltage Accessories: S/W CD, probes, manual, USB cord Hantek 6052BE Parameter : Channel: 2 Channels Bandwidth: 50MHz Input Impedance: 1MΩ 25PF Max. Sample rate: 150MS/s Coupling: AC/DC/GND Vertical resolution: 8 Bits Gain range: 10mV-5V, 9 Steps DC accuracy: ±3% Time base range: 4ns-1h, 38 Steps Vertical adjustable: Yes Input protection: Diode clamping X-Y: Yes EXT. input: Yes Trigger Mode: Auto, Normal and Single Trigger Slope: +/- Trigger level adjustable: Yes Trigger Type: Rising edge, falling edge Trigger Source: CH1, CH2, EXT Pre/Post trigger: 0-100% Buffer size: 10K-64KB/Channel Sampling selection: Yes Waveform Display: port / line, waveform average, persistence, intensity Network: Open / Close Vertical mode: CH1, CH2, Dual, ADD Cursor measurement: Yes Math: FFT, addition, subtraction, multiplication, division. Cursor: Frequency, Voltage Accessories: S/W CD, probes, manual, USB cord Hantek 6022BE Parameter : Channel: 2 Channels Bandwidth: 20MHz Input Impedance: 1MΩ 25PF Max. Sample rate: 150MS/s Coupling: DC Vertical resol ±3% Time base range: 4ns-5ks Input protection: Diode clamping X-Y: Yes EXT.input: No Trigger Mode: Auto, Normal and Single Trigger Slope: +/- Trigger level adjustable: Yes Trigger Type: Rising edge, falling edge Trigger Source: CH1, CH2 Pre/Post trigger: 0-100% Buffer size: 1M Sampling selection: Yes Waveform Display: port / line, waveform average, persistence, intensity Network: Open / Close Vertical mode: CH1, CH2, Dual, ADD Cursor measurement: Yes Math: FFT, addition, subtraction, multiplication, division. Cursor: Frequency, Voltage Accessories: S/W CD, probes, manual, USB cord Bandwidth: 20MHz-200MHz; Sample Rate: 250MSa/s; Excellent industrial design-the same anodised aluminium casing as iPad, which is not only beautiful and tasteful but also greatly enhanced the hardness of aluminum alloy surface, and has good heat resistance and strong wearability. Standard USBXI (TM) interface, easy inserts into USBXI (TM) housing to make up a combination instrument. Package List : 1x Hantek 6000BE Series oscilloscope 2x oscilloscope probe 1x USB cable 1x CD (manual etc.)

RIGOL DS1102E Puyuan 100M oscilloscope digital 50M dual channels 64K TFT color LCD oscilloscope, high quality two channels digital storage oscilloscope, Rigol DS1102E oscilloscope, 7 trigger modes, adjustable trigger sensitivity, USB Host to support USB flash memory and USB printer, the quality of the Rigol oscilloscopes is comparable to Agilent and Tektronix oscilloscopes. Rigol DS1102E 100MHz Dual Channels Digital Oscilloscope Description : It not only has compact design and 64K TFT color LCD, but also powerful functions: Up to 1M memory depth, with ultra-zoom function, it can enable users to observe details while surveying the whole waveform; 7 trigger modes, adjustable trigger sensitivity, USB Host to support USB flash memory and USB printer, and other traditional functions of RIGOL oscilloscopes. The quality of the Rigol oscilloscopes is comparable to Agilent and Tektronix oscilloscopes. Product Features : Ultrazoom: You can sample up to 1 million measurement points with this oscilloscope. Easily zoom in and scroll within the signal. Survey macroscopically, observe microscopically. Automatically and Cursor Measure: This oscilloscope series provides 20 types of wave parameters for automatically measuring, which contains 10 Voltage and 10 Time parameters. In cursor mode, users can easily measure by moving cursor. Besides, 3 types of cursor measurement are optional: Manual, Track and Auto. Adjustable Trigger Sensitivity: With the Rigol oscilloscopes you have the ability to filter noise from the signal avoids false triggers. Alternate Trigger: Provides a true dual timebase display. Slope Trigger: Triggers on the signals rise time or fall time is user defined. Rising and Falling Edge Trigger: Mainly used to view eye-diagrams normally only available in more advanced DSO's. Pass / Fail Test: The Pass/Fail function monitors the changes of signals by comparing whether the input signal is within the pre-defined mask. The testing results not only can be displayed on screen or output by isolated pass/fail port, but also can be alarmed according to turn on system sound. FFT (Fast Fourier Transformation): The FFT function provides spectrum analysis function for users. Supported FFT windows: Rectangle, Hanning, Hamming, Blackman File System and USB Stick Support: The device supports an easy-to-use file system. It allows for both USB flash drive and local file storage. DS1102E Digital Storage Oscilloscope : 2 channels standard accessories : 100MHz bandwidth 1 passive probe PVP2150*2 1 Gsa/s sampling rate 2 power cord 1 Mpts stroage depth 3 quick guide interface: USB device, USB host, RS232, Udisk storage and PicBridge printing Product Specification : Model: DS1102E Bandwidth: 100MHz Aisle: 2+ external trigger Storage depth: 1 Mpts Real-time sampling rate: 1 Gsa/s single channel, 500Msa/s dual channel File System and USB Stick Support The device supports an easy-to-use file system. It allows for both USB flash drive and local file storage. Package includes : 1pc x Rigol DS1102E digital oscilloscope 2pcs x Probes 1pc x USB Cable 1pc x Power cord 1pc x Quick start (user manual)

Minimum Order: 1 bags