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PTU0409 Standard Platinum Crucible

Catalog No.PTU0409
Size 5mL-300mL;
Materials Platinum (Pt), PtAu5 (95% Pt and 5% Au), PtIr5 (95% Pt and 5% Ir), PtRh5 (95% Pt and 5% Rh);
Purity Pt ≥ 99.95%, Ir ≥ 99.99%, Rh ≥ 99.99%, Au ≥ 99.99%

TFM stands out as a top provider of Platinum Crucibles, offering a wide range of sizes to meet diverse needs. In addition to our standard dimensions, we also specialize in custom configurations tailored to your specific requirements.

Platinum Crucible Description

Our platinum crucibles are manufactured from 99.95% pure platinum and premium platinum alloys, designed for durability and performance. With thicker bases and lighter walls, these crucibles are well-suited to withstand rigorous conditions. Their dense, malleable, and ductile nature, combined with exceptional resistance to corrosion and high temperatures, ensures reliable use in demanding environments.

Product Availability

We offer a range of standard platinum crucibles, with options for custom-made designs available upon request. For additional details or to discuss your specific requirements, please feel free to contact us.

Platinum Crucible Specification

Size: 5mL-300mL;
Materials: Platinum (Pt), PtAu5 (95% Pt and 5% Au), PtIr5 (95% Pt and 5% Ir), PtRh5 (95% Pt and 5% Rh);
Purity: Pt ≥ 99.95%

All weights are in grams and all dimensions are in millimeters.

Code

Description

Capacity in ml

B

A1

D

Standard Weight

range

Weight range

Reinforced base and rim

Lid Weight

PT0101

Standard crucible, 5ml

5

22

20

10

4

6

1.5

PT0102

Standard crucible, 5ml

5

20

25

10

6

7

1.5

PT0103

Standard crucible,8ml

8

22

27

12

9

11

2

PT0104

Standard crucible,8ml

8

24

25

12

5

8

1.5

PT0105

Standard crucible,10ml

10

27

26

15

8

11

3

PT0106

Standard crucible,10ml

10

28

25

14

7

9

2

PT0107

Standard crucible,12ml

12

31

28

26

10

13

3

PT0108

Standard crucible,15ml

15

33

30

17

12

17

3

PT0109

Standard crucible,15ml

15

31

30

17

11

14

3

PT0110

Standard crucible,20ml

20

35

33

18

15

18

4

PT0111

Standard crucible,20ml

20

34

32

19

17

24

4

PT0112

Standard crucible,25ml

25

36

36

20

19

23

4

PT0113

Standard crucible,25ml

25

38

34

20

20

27

4

PT0114

Standard crucible,30ml

30

40

36

22

25

31

6

PT0115

Standard crucible,30ml

30

40

36

22

26

35

6

PT0116

Standard crucible,35ml

35

38

41

24

25

32

6

PT0117

Standard crucible,35ml

35

43

38

25

30

40

6

PT0118

Standard crucible,40ml

40

42

42

25

30

36

7

PT0118

Standard crucible,40ml

40

45

40

26

34

45

7

PT0120

Standard crucible,45ml

45

48

43

26

39

52

8

PT0121

Standard crucible,50ml

50

48

45

27

36

51

8

PT0122

Standard crucible,50ml

50

50

44

27

45

59

8

PT0123

Standard crucible,60ml

60

47

45

29

46

54

9

PT0124

Standard crucible,60ml

60

52

46

30

56

73

9

PT0125

Standard crucible,70ml

70

53

49

30

50

63

12

PT0126

Standard crucible,80ml

80

53

51

30

51

72

14

PT0127

Standard crucible,80ml

80

55

50

32

71

92

14

PT0128

Standard crucible,90ml

90

57

54

33

52

81

15

PT0129

Standard crucible,90ml

90

54

54

33

75

100

15

PT0130

Standard crucible,100ml

100

57

56

35

59

90

17

PT0131

Standard crucible,100ml

100

65

60

33

88

125

17

PT0132

Standard crucible,120ml

120

66

64

35

84

98

22

PT0133

Standard crucible,150ml

150

69

65

37

100

114

27

PT0134

Standard crucible,200ml

200

80

65

40

150

180

30

PT0135

Standard crucible,250ml

250

73

81

55

175

190

32

PT0136

Standard crucible,700ml

700

105

105

72

300

320

Platinum Crucible Packaging

Our standard platinum crucibles are clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.

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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.

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