Thin Film Materials Logo
Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors
claisse-platinum-crucibles-molds-1

PTU0411 Claisse® Platinum Crucibles & Molds

Catalog No.PTU0411
SizeCustomized
MaterialPtAu5 (95% Pt and 5% Au)
PurityPt ≥ 99.95%

TFM is a reliable and reputable manufacturer of Claisse® Platinum Crucibles & Molds.

Introduction

Claisse® Platinum Crucibles & Molds are precision-manufactured noble metal laboratory vessels designed for high-temperature fusion, analytical sample preparation, and advanced materials processing. Widely used in XRF (X-ray fluorescence) analysis and glass bead preparation, platinum crucibles and molds provide unmatched chemical inertness, thermal stability, and dimensional reliability.

In fusion laboratories where contamination control and repeatability are critical, platinum labware ensures consistent analytical accuracy and long service life under extreme thermal conditions.

Detailed Description

Claisse® Platinum Crucibles & Molds are typically fabricated from high-purity platinum (≥99.95%) or platinum-rhodium (Pt-Rh) alloys to enhance mechanical strength and resistance to deformation at elevated temperatures.

Key performance characteristics include:

  • High melting point (~1768°C for pure Pt)

  • Exceptional resistance to acids and molten fluxes

  • Excellent oxidation resistance at red heat

  • Dimensional stability during repeated heating cycles

  • Smooth polished interior surfaces for easy cleaning

Crucible configurations include:

  • Standard cylindrical crucibles

  • Tall-form crucibles

  • Low-form crucibles

  • Reinforced rim designs

  • Crucibles with matching platinum lids

Molds are engineered for:

  • Glass bead casting

  • Fusion sample preparation

  • Analytical pellet formation

  • High-purity material solidification

Pt-Rh alloys are often selected when enhanced mechanical strength is required, especially in automated fusion systems where repeated mechanical handling is involved.

Applications

Claisse® Platinum Crucibles & Molds are extensively used in:

  • XRF fusion sample preparation

  • Geological and mining laboratories

  • Cement and mineral analysis

  • Glass and ceramic melting

  • Chemical laboratory research

  • Precious metal refining

  • High-temperature analytical procedures

In analytical chemistry, platinum labware ensures minimal sample contamination and accurate quantitative results.

Technical Parameters

ParameterTypical Value / RangeImportance
MaterialPt ≥99.95% / Pt-Rh alloysEnsures purity & durability
Melting Point~1768°C (Pt)Supports extreme temperature use
Capacity5 – 300 mL (custom options)Matches fusion requirements
Wall Thickness0.3 – 1.0 mm (custom)Balances durability & heat transfer
Surface FinishPolished interiorReduces residue and contamination
CustomizationSize, shape, alloy gradeTailored to fusion systems

Custom fabrication based on fusion machine compatibility and laboratory workflow is available.

Comparison with Alternative Crucible Materials

MaterialKey AdvantageTypical Application
Platinum (Pt)Maximum chemical inertnessXRF & analytical fusion
Pt-Rh AlloyImproved high-temp strengthAutomated fusion systems
ZirconiaCost-effective ceramicGeneral high-temp melting
GraphiteHigh thermal conductivityMetal melting applications

Compared to ceramic or graphite vessels, platinum crucibles provide superior chemical resistance and minimal contamination risk, making them essential for precision analytical laboratories.

FAQ

QuestionAnswer
What alloy grades are available?High-purity platinum and platinum-rhodium alloys are available.
Can crucibles be customized?Yes, capacity, wall thickness, and design can be tailored.
Are lids supplied?Matching platinum lids can be provided upon request.
Is platinum suitable for repeated thermal cycling?Yes, platinum maintains structural integrity under repeated high-temperature cycles.
Is recycling or refining service available?Precious metal reclaim options can be discussed depending on customer needs.

Packaging

Our Claisse® Platinum Crucibles & Molds are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. Each unit is carefully protected with cushioning materials and secure packaging to prevent deformation or surface damage during storage and transportation.

Conclusion

Claisse® Platinum Crucibles & Molds provide reliable, high-purity performance for analytical fusion, glass bead preparation, and advanced laboratory applications. With superior thermal stability, chemical resistance, and customizable configurations, they remain the preferred choice for laboratories requiring precision and durability.

For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.

 

All weights are in grams and all dimensions are in millimeters.
Claisse® Platinum Crucibles

Code

Description

Capacity

B

A2

D

A1

Weight

PT0501

BIS with dimple

25ml

32

37

20

43

26

PT0502

BIS reinforced with dimple

25ml

32

37

20

43

30

PT0503

Flat base no dimple

25ml

35

35

21

44

26

PT0504

Flat base no dimple

25ml

35

35

21

44

30

PT0505

Optimix

25ml

32

37

20

43

30

Claisse® Platinum Molds

Code

D2

A2

A1

B

C

Weight

PT0506

30

31

39

6

0.6

18

PT0507

30

31

39

6

1

30

PT0508

32

34

42

6

0.6

21

PT0509

32

34

42

6

1

36

PT0510

35

37

44

6

0.6

25

PT0511

35

37

44

6

0.9

48

PT0512

38

41

49

6

0.6

29

PT0513

38

41

49

6

0.9

48

PT0514

40

42

49

6

0.6

34

PT0515

40

42

49

6

0.9

48

 

Reviews

There are no reviews yet.

Be the first to review “PTU0411 Claisse® Platinum Crucibles & Molds”

Your email address will not be published. Required fields are marked *

Related Products

Related products

FAQ

A crucible is a heat-resistant container designed to hold materials during high-temperature processes such as melting, alloying, or chemical reactions. They’re essential in metal casting, laboratory analyses, and even certain thin-film deposition systems.

Crucibles are usually made from ceramics like alumina, zirconia, silicon carbide, or magnesia due to their high melting points and chemical inertness. Graphite and metal (e.g., steel) crucibles are also used for lower temperature applications.

The ideal crucible depends on the temperature and chemical nature of the process. Always select a crucible material with a melting point significantly higher than that of the material being processed and one that is chemically compatible to prevent reactions or contamination.

Always wear appropriate personal protective equipment (PPE) such as heat-resistant gloves, face shields, and aprons. Use proper tongs for handling, ensure adequate ventilation, and follow established protocols to avoid thermal shock and accidental spills.

Prior to use, crucibles are usually “dried” or pre-fired to remove moisture and avoid thermal shock. Some applications recommend a seasoning or “dressing” process to improve performance and extend the crucible’s lifespan.

Crucibles should be stored in a dry, well-ventilated area on wood shelving or other non-abrasive supports—not directly on concrete or metal floors—to avoid damage. They should also not be nested together to prevent chipping or cracking.

Yes, most crucibles are designed for multiple uses if they’re properly maintained and cleaned. However, frequent use at extreme temperatures or for reactive materials may eventually degrade them, in which case replacement is necessary.

Common challenges include cracking from rapid temperature changes (thermal shock), contamination from residual materials, and wear or erosion from high-temperature exposure. Following proper handling and maintenance guidelines helps mitigate these issues.

Allow the crucible to cool completely, then remove any residues with a suitable scraper or chemical cleaner if recommended. Some crucibles benefit from an acid wash to remove stubborn deposits—but always follow the manufacturer’s guidelines to prevent damage.

Ensure the crucible is pre-heated and free of moisture. Load the material slowly and evenly using appropriate tools to prevent splashing or uneven heating. For heavy or large pieces, use tongs or specialized equipment to maintain safety and consistency.

In metal casting, crucibles are used to melt and hold metals for forming alloys or casting components. In evaporation processes (e.g., thin-film deposition), they heat materials to their vaporization point, allowing controlled deposition onto substrates.

Their ability to withstand extreme temperatures and resist chemical reactions makes crucibles indispensable. They enable precise control over high-temperature processes in metallurgy, materials science, and chemical analysis, ensuring product quality and process reliability.

Shopping Cart
Scroll to Top