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Aug-30-17
Fire Assay Flux

Fire Assay Flux

(1.0)
$2 - $4
MOQ: Not Specified
  Gemhold (sjz) Trading Co. Ltd.
Supplier From Shijiazhuang, Hebei, China
Supplier Of Mineral Powder
 
Specifications

Fire assay fluxes according to customers' recipe, or our own specification. Gold free and silver free type are available

The famous fire assay has been around for more than 500 years, but it still is the best method for determining the quantity of gold, platinium and other precious metals, thus widely used by gochemical assay laboratories. The fire assay process works by fusing or dissolving the rock sample in a crucible using a lead glass flux. Fluxes of various types are used on various types of ores. Most flux mixes may contain the following:
Litharge,
Sodium bicarbonate,
Silica,
Borax,
Flour,
Florite,
Etc.

Gemhold does custom manufacturing of lead monoxide(litharge) with qualified manufacturer in china, producing top grades of litharge from 99.5% - 99.9%min, which are widely used in fire assay, optical glass, piezo ceramic, and other industries. For fire assay industry, gemhold can produce assay grade litharge with very low gold and silver content, say, gold less than 1.5ppb, and silver less than 0.15ppm.

Gemhold can produce assay fluxes according to customers' recipe, or from our own standard. Our ability to product high quality litharge enable us to produce idea fluxes needed in the low level assay works. Our quality control system and semi-automatic manufacturing processes make our fluxes fully reliable. We can assay each batch of our flux if customers require that, and coa be be provided before despatching
Aug-30-17
Fire Assay Crucible

Fire Assay Crucible

(1.0)
$0.50 - $0.67
MOQ: Not Specified
  Gemhold (sjz) Trading Co. Ltd.
Supplier From Shijiazhuang, Hebei, China
Supplier Of Mineral Powder
 
Product specifications: 
1.Made of fire clay 
2.Used for smelting & assaying 
3.High density & quality
 
Applications:
Precious metal analysis
Mining laboratory
Laboratory testing
Mineral assaying
Fire assaying 
Gold assaying
 
Features:
Long lasting, can be used 3-5 times 
High mechanical strength designed to withstand severe thermal shocks
Special formula, curing and pressing process
Multi-use crucible
Withstand extremely corrosive fire assay environments
 
Packaging & shipping:
Cartons with pallete, crates or as customer's requiements.
 
Usage:
Used for smelting and assaying , excluding gold and silver elements, more accurate test results, high temperature resistance and resistance to thermal shock . The average serial can be used for 3-5 times

Specific technical data
Production method:press forming

Typical chemical analysis
Sio269.84%
Al2o328%
Cao 0.14%
Fe2o31.90%
Working temperature1400??-1500??
Specific gravity:2.3
Porosity: 25%-26%
Aug-30-17
Fire Assay Cupel

Fire Assay Cupel

(1.0)
Ask for price
MOQ: Not Specified
  Gemhold (sjz) Trading Co. Ltd.
Supplier From Shijiazhuang, Hebei, China
Supplier Of Mineral Powder
 
Product description:
1.Material: magnesium oxide
2.Featrue:,  high thermal shock resistance

Packaging & shipping:
1.Packaging details: cartons with pallet
2.Delivery time: within 20 days

Usage:
Used for smelting and assaying , excluding gold and silver elements, more accurate test results, high temperature resistance and resistance to thermal shock .,  

Specific techincal data
Production method:dry pressing

Typical chemical analysis
Mgo, 98.5%
Al2o3, 1.2%
Working temperature1300, ??-1350, ??
Specific gravity:2.35
Porosity:12%-15%
Lead absorption91%
Apr-21-17
Pholopite Powder

Pholopite Powder

(1.0)
$1.00K
MOQ: Not Specified
  Lingshou Huajing Mica Co., Ltd.
Supplier From Shijiazhuang, Hebei, China
Supplier Of Mineral Powder
 
Color: yellow, brown, gray and black.
The cleavage surface often shows pearls or submetallic luster. Phlogopite has higher insulation and resistance, lower electrolyte cost, arc and corona resistance and any other dielectric prosperities .As per the Physicochemical properties, perfect toughness, high mechanical strength, thermostability and acid&alkali-resistance. At present,It is widely used in radio industry, aircraft industry, production of electrical machinery, coating, painting, plastic,linoleum,paper making,drilling oil etc. Typical application: Phlogopite flake can be used for production of electrical machinery, insulant of electric furnace, Chaozao mica paper, mica sheet and fire-resistant mica tape. The expansion mica used for building.Producing insulated brick for kiln. In addition, it used for the material of drilling oil, the filler of plastic and the pad of rockets missile .
Nov-20-24
Sericite powder

Sericite Powder

(1.0)
$1
MOQ: Not Specified
  Hebei Yayang Spodumene Co., Ltd.
Supplier From Shijiazhuang, Hebei, China
Supplier Of Mineral Powder
 
Sericite is a kind of natural fine Muscovite.It is a layered structure of silicate.It can be split into very thin sheet, sheet thickness up to 1m (theoretically it can be cut into 0.001m), diameter to thickness ratio is large. The properties of it ar good wear resistance and wear resistance; heat resistant insulation; insoluble in acid-base solution; chemically stable. In addition, sericite is similar to kaolin in chemical composition and structure.It has some characteristics of clay minerals, such as good dispersion and suspension in aqueous media and organic solvents, fine white particles and viscosity.

Key Properties of Sericite Powder:
Smooth and soft texture: Sericite has a silky feel, making it ideal for cosmetic formulations.
Heat resistance: Its high thermal stability allows it to perform well in applications requiring heat resistance.
Good adhesion: It provides excellent adhesion when used in products like makeup or coatings.
Transparency and gloss: Sericite powder adds a subtle sheen and enhances the appearance of surfaces or skin.
22 Mineral Powder Suppliers
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Oct-11-22
(1.0)
Supplier From Shijiazhuang, Hebei Province, China

Mineral Sand/Powder.

Supplier Of Mineral Powder
Aug-29-17
(1.0)
Supplier From Shijiazhuang, Hebei, China

Fire assay crucible, fire assay cupel and fire assay flux.

Supplier Of Mineral Powder
Mar-03-20
(1.1)
Supplier From Shijiazhuang, Hebei, China

Mica powder sublime.

Supplier Of Mica   |   Mineral Powder
Jun-23-17
(1.0)
Supplier From Shijiazhuang, Hebei, China

Wet ground mica, dry ground mica, synthetic mica, mica flake, color mica and mica powder.Production, exporting

Supplier Of Mineral Powder

Service Provider Of Production & Distribution Services   |   Mica   |   Importing/Exporting
Apr-21-17
(1.0)
Supplier From Shijiazhuang, Hebei, China

Mica powder, mica, muscovite powder, phlogopite powder.

Supplier Of Mica   |   Mica Products   |   Mineral Powder
Jul-17-18
(1.0)
Supplier From Shijiazhuang, China

Vermiculite, perlite, silica sand, mica powder.

Supplier Of Mica   |   Mineral Powder   |   Silica Sand
Sep-16-10
(1.3)
Supplier From Shijiazhuang, Hebei, China

Vermiculite, mica, quartz sand, sand pebbles, colour sand, river sand, medical stone, calcium powder, tourmaline, zeolite.

Supplier Of Mineral Powder   |   Tourmaline Gemstones   |   Mica   |   Sandstones & Sands
Jun-29-16
(1.0)
Supplier From Shijiazhuang, Hebei, China

Mineral wool board, mineral ceiling board, mineral fiber board.OEM & ODM services

Supplier Of Mineral Powder

Service Provider Of OEM & ODM Services   |   Cupboards, Doors, Gates, Grills & Windows
Sep-11-23
(1.0)
Supplier From Shijiazhuang, Hebei, China

Graphite electrode, graphite crucible, graphite powder, graphite plate, graphite paper, pla, pla+, petg, abs, pbat+pla .Manufacture and export

Supplier Of Electrodes   |   Mineral Powder   |   Graphite

Service Provider Of Manufacturer & Exporter   |   Plastic Raw Materials
Dec-09-19
(1.1)
Supplier From Shijiazhuang, Hebei, China

Refractory materials: silica bricks , coke oven , hot blast stove, fused silica brick, silica sand/powder, silicious mortar, silica sealing mix, sodium silicate, feldspar powder.

Supplier Of Mineral Powder   |   Bricks   |   Sodium Silicate   |   Abrasives   |   Silica Sand   |   Feldspar
Apr-13-22
(1.1)
Supplier From Shijiazhuang, China

Non metallic mineral products,eg. mica powder,kaolin powder,barite powder,dolomite powder,calcium carbonate etc..

Supplier Of Kaolin   |   Ferrous Metals, Non Ferrous Metals   |   Mineral Powder   |   Mica   |   Calcium Carbonate   |   Dolomite   |   Barite Ore
May-11-23
(1.0)
Supplier From Shijiazhuang, China

Non metallic minerals such as minerals powder, clay, stones, graphites, pigments, fiber, glass.

Supplier Of Stones & Slates   |   Other Glass Products   |   Graphite   |   Clay   |   Mineral Powder   |   Pigments   |   Textile Fibers
Dec-18-24
(1.0)
Supplier From Shijiazhuang, Hebei, China

Sandstones & Sands Baby High Chair Copper Granules Beads Mineral Powder Mica Silica Sand
.

Supplier Of Beads   |   Baby High Chair   |   Sandstones & Sands   |   Mica   |   Mineral Powder   |   Copper Granules   |   Silica Sand
Oct-11-22
(1.0)
Supplier From Shijiazhuang, Hebei Province, China

Mullite sand/powder precision casting, ceramic beads steel/aluminum/alloy casting, mica, high reflective roofing granule, superfine sodium bicarbonate, low iron dolomite, low iron/high purity calcite, low iron/ high purity silica sand/powder.

Supplier Of Industrial Chemicals   |   Beads   |   Metal Castings & Forgings   |   Ores & Minerals   |   Dolomite   |   Silica Sand   |   Sandstones & Sands   |   Iron Powder   |   Steel Casting   |   Iron Castings   |   Roofing & Ceiling   |   Sodium Bicarbonate   |   Mineral Powder
Feb-08-25
(1.0)
Supplier From Shijiazhuang, Hebei, China

Mica, vermiculite/expanded vermiculite,silica powder, sepiolite, perlite/expanded perlite, kaolin, bentonite, zeolite, lava rock, diatomite, leca, iron oxide pigments, water filter material (maifan balls / medical stone ball / calcium sulfite ball / tourmaline ball / negative ion ball) and fireproof coating..Clearing agent, transportation and shipping.

Service Provider Of Buying & Sourcing Agents

Supplier Of Other Ores & Minerals   |   Transporters, Packers, Movers   |   Cricket Bats   |   Iron Oxide   |   Brokers/Commission Agents   |   Kaolin   |   Quartz   |   Rugby Balls   |   Salt   |   Sports Balls   |   Tennis Balls   |   Aggregates   |   Silica Sand   |   Clay   |   Bentonite   |   Mica   |   Sports Goods & Equipments   |   Clearing & Forwarding   |   Perlite   |   Cricket Balls   |   Mineral Powder   |   Rock Salt   |   Shipping, Air, Cargo & Railways   |   Iolite Gemstones   |   Zeolite   |   Football Accessories
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