Shanghai Factroy Outlet Portable Hardness Tester 1~10 Degrees Pencil

• After-sales Service: Video Technical Support
• Type: Rockwell Hardness Tester
• Measuring Range: HB
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: YDB
• Application: Stone
• Standard: ISO
• Warranty: 1 Year
• Mobility: Portable
• Calibrating Method: Standard Hardness Test Blocks
• Rated Voltage: No
• Support Language: English
• Customized: Non-Customized
• Weight: 0.5kg
• Transport Package: Wood Case
• Specification: 18.5*7*5cm
• Trademark: JS Floor System
• Origin: Shanghai
• Production Capacity: 30000 Sets Per Month
• Package Size: 15.00cm * 15.00cm * 20.00cm
• Package Gross Weight: 2.000kg

Product Description

Product Description

TDB Mohs hardness picks

Hardness pencil make hardness testing a more precise process - especially when testing small specimens or mineral grains within a rock. The point of the pick can easily be placed on the part of the specimen that you want to test. The scratches that you make or trails of metal that are left behind are usually very easy to distinguish.

Like use a pencil on the hand, with the ground into a 45 degree angle. Then, with the same pressure as writing, drag the point over the surface of the specimen. Hardness is judged by the depth of the scratch.
Hardness range
Mohs: 2-3 Testing for the soft floor.
Mohs: 3-5 Testing for the middle soft floor.
Mohs: 5-7 Testing for the hard floor.
Mohs: 7-9 Testing for the very hard floor.

Mineral Hardness Scales
Mineral	Mohs	Vickers (KG/mm²)
Talc	1	27
Gypsum	2	61
Calcite	3	157
Fluorite	4	315
Apatite	5	535
Orthoclase	6	817
Quartz	7	1161
Topaz	8	1567
Corundum	9	2035
Diamond	10	10000

An alternative to using the reference minerals for testing is a set of "hardness picks." These picks have sharp metal points that you can use for very accurate testing. The picks allow much more control, and their sharp points can be used to test small mineral grains in a rock.

The sharp picks can be used easily and either produce a scratch if they are harder than the specimen being tested or leave behinda tiny streak of metal if they are softer. Examine the test site with a hand lens to see the results of your test.
We have used hardness picks and think that they do a great job. They are easier to use and more accurate than testing with specimens. They can be resharpened when they dull.

 

Company Profile

JS Floor Systems has been established in 2009. Specializing in floor grinders, polishers, burnishers, scrubbers, vacuum cleaners and diamond tools. Our factory locates in Shanghai & Suzhou, China with professional R&D, technical support, production and sales team. Our service and products are appreciated by customers all over the world.JS grinders are available in several different sizes, operation modes and driven systems depending on your demands.JS Floor Systems have the largest range of floor grinders, covering everything from small edge grinder S320 to giant rider grinder D1400, operation modes available in walk behind, ride on, self-propelled and remote control, driven systems in gear construction. JS brand is recommended by customers as the machines are with superior quality, high efficiency, good service and reasonable price.Combined with JS industrial dust collectors, floor scrubbers and diamond tools, we offer a completed floor preparation system which guarantees that you finish the job with the best result and lower cost.We have got the CE certificates, ISO 9001 and SGS approval. With professional R&D team, high tech Computer Numerical Control Center (CNC) and advantage welding robots, as well as the experienced support and marketing team, we are moving fast in this industry.



 

FAQ

Q1: Do you make the metal and resin pads yourself?
A1: Yes, we have our own diamond workshop and make the diamond tools ourselves.

Q2: How long is production time for one container?
A2: For hand push machine is 2-3 weeks, for remote control models usually take 3-4 weeks.

Q3: You are based in Shanghai?
A3: Yes.

Q4: Do you have any advantages over other suppliers in terms of design?
A4: Yes. For example, we use seamless plastic water tank, aluminum casting mold grinder head which is stronger and add grinding pressure.

Q5: What is the warranty on the products?
A5: 1 year warranty for machine.

Q6: Do you recommend buying spare parts already with the order?
A6: Yes, we will recommend some spare parts.

Q7: What parts are usually needed for replacements?
A7: Resin pad holder, rubber cushion, dust skirt, switch.

Q8: Does your gear quality better than those from other company?
A8: Yes, we make the gear our own. JS gear is skewed tooth and being heat treatment processed which guarantee stable performance and long life time. But many company don't use such gear because this gear need high-precision process. We make the gears with CNC machine.

Q9: Do you offer diagrams for electrical and electronic layout for your machines?
A9: Yes, come with machines.

Q10: Is your company ISO registered and approved?
A10: Yes, we have got ISO, CE and SGS certificates.