Ceramic Spray Powders

Astro Alloys offers a broad range of advanced ceramic spray powders, manufactured by Praxair. These ceramic thermal spray coatings include low thermal conductivity thermal barrier coating (TBC) powders to high purity aluminum and yttrium coatings for semiconductor fabrication.

Praxair Surface Technologies, Inc Ceramic Thermal Spray Coating Options 

Aluminum Oxide Powders

Chromium Oxide Powders

Yttrium Oxide Powders

Zirconium Oxide Powders

Contact Us


Aluminum Oxide Powders

POWDER NAME & COMPOSITION

CHEMISTRY & SIZE

CHARACTERISTICS

SAFETY DATA SHEET (SDS)

ALO-101

Al2O3

(Fused)

Al2O3

99.0 min

-45 µm

  • Good for abrasion, erosion, and sliding wear
  • Good in alkali and acid environments
  • Excellent dielectric properties
  • Usable between 1550-3000°F / 843-1649°C

AL0-101 (113KB)

AI-1110-HP

Al2O3

(Fused)

Al2O3

99.3 min

-22 µm/+5 µm

  • Good for abrasion, erosion, and sliding wear
  • Good in alkali and acid environments
  • Excellent dielectric properties
  • Usable between 1550-3000°F / 843-1649°C

AI-1110-HP (122KB)

ALO-114

Al2O3

(Fused)

Al2O3

99.0 min

-45 µm

  •  Fused, pure Al2O3

ALO-114 (133KB)

AI-1010-HP

Al2O3

(Fused)

Al2O3

99.5 min

-45 µm/+5 µm

  • Fused, pure Al2O3

AI-1010-HP (123KB)

ALO-105

Al2O3-3TiO2

(Fused)

TiO2 3.0

Al2O3 balance

-53 µm

  • Good for abrasion, erosion, and sliding wear
  • Good in alkali and acid environments
  • Requires grinding

ALO-105 (131KB)

ALO-105-1

Al2O3-3TiO2

(Fused)

TiO2 3.0

Al2O3 balance

-31 µm/+5 µm

  • Good for abrasion, erosion, and sliding wear
  • Good in alkali and acid environments
  • Requires grinding

 ALO-105-1 (131KB)

ALO-159

Al2O3-3TiO2

(Fused)

TiO2 2.75

Al2O3 balance

-106 µm

  • Good for abrasion, erosion, and sliding wear
  • Good in alkali and acid environments
  • Requires grinding

ALO-159 (118KB)

ALO-187

Al2O3-13TiO2

(Fused)

TiO2 13.0

Al2O3 balance

-45 µm/+11 µm

  • Properties similar to Al2O3-3TiO2 but softer and less resistant to chemicals
  • Usable up to 1000°F / 538°C

ALO-187 (118KB)

ALO-188

Al2O3-13TiO2

(Fused)

TiO2 13.0

Al2O3 Rem

-31 µm

  • Properties similar to Al2O3-3TiO2 but softer and less resistant to chemicals
  • Usable up to 1000°F / 538°C

ALO-188 (118KB)

ALO-121

Al2O3-40TiO2

(Fused)

TiO2 44.0

Al2O3 balance

-45 µm/+11 µm

  • Properties similar to Al2O3-3TiO2 but softer and less resistant to chemicals
  • Usable up to 1000°F / 538°C
  • Excellent finishing properties

ALO-121 (118K

Back To Top


Chromium Oxide Powders

POWDER NAME & COMPOSITION

CHEMISTRY & SIZE

CHARACTERISTICS

SAFETY DATA SHEET (SDS)

CRO-131

Cr2O3

(Reacted & Sintered)

Cr2O3

99.0 min

-38 µm/+5 µm

  • Hard, dense, wear-resistant coatings
  • Insoluble in acids, alkalis, and alcohol
  • Usable up to 1000°F / 538°C
  • Excellent engraving properties

CRO-131 (117KB)

CRO-167

Cr2O3

(Reacted & Sintered)

Cr2O3

99.0 min

-45 µm/+5 µm

  • Hard, dense, wear-resistant coatings
  • Insoluble in acids, alkalis, and alcohol
  • Usable up to 1000°F / 538°C
  • Excellent engraving properties

CRO-167 (117KB)

CRO-167-1

Cr2O3

(Reacted & Sintered)

Cr2O3

99.0 min

-45 µm/+16 µm

  • Hard, dense, wear-resistant coatings
  • Insoluble in acids, alkalis, and alcohol
  • Usable up to 1000°F / 538°C
  • Excellent engraving properties

CRO-167-1 (117KB)

CRO-172

Cr2O3

(Reacted & Sintered)

Cr2O3

99.0 min

-38 µm/+11 µm

  • Hard, dense, wear-resistant coatings
  • Insoluble in acids, alkalis, and alcohol
  • Usable up to 1000°F / 538°C
  • Excellent engraving properties

CRO-172 (117KB)

CRO-174

Cr2O3

(Reacted & Sintered)

Cr2O3

99.0 min

-22 µm/+2.8 µm

  • Hard, dense, wear-resistant coatings
  • Insoluble in acids, alkalis, and alcohol
  • Usable up to 1000°F / 538°C
  • Excellent engraving properties

CRO-174 (132KB)

CRO-179

Cr2O3

(Reacted & Sintered)

Cr2O3

99.0 min

-38 µm/+11 µm

  • Hard, dense, wear-resistant coatings
  • Insoluble in acids, alkalis, and alcohol
  • Usable up to 1000°F / 538°C
  • Excellent engraving properties

CRO-179 (117KB)

CRO-192

Cr2O3-SiO2TiO2

(Agglomerated & Sintered)

SiO2 4.5

TiO2 2.5

Cr2O3 balance

-53 µm/+11 µm

  • Similar to Cr2O3
  • Hard, dense, wear-resistant coatings
  • Resists impact better than Cr2O3

CRO-192 (123KB)

CRO-192-1

Cr2O3-SiO2TiO2

(Agglomerated & Sintered)

SiO2 4.5

TiO2 2.5

Cr2O3 balance

-106 µm/+16 µm

  • Similar to Cr2O3
  • Hard, dense, wear-resistant coatings
  • Resists impact better than Cr2O3

CRO-192-1 (123KB)

Back To Top


Yttrium Oxide Powders

POWDER NAME & COMPOSITION

CHEMISTRY & SIZE

CHARACTERISTICS

SAFETY DATA SHEET (SDS)

YO-118

Y2O3

(Agglomerated & Sintered)

Y2O3

99.90 min

-45 µm/+5 µm

  • High-purity material
  • Electronic applications

YO-118 (115KB)

YO-118-1

Y2O3

(Agglomerated & Sintered)

Y2O3

99.90 min

-75 µm

  • High-purity material
  • Electronic applications

 YO-118-1 (115KB)

YO-125

Y2O3

(Agglomerated & Sintered)

Y2O3

99.95 min

-45 µm/+5 µm

  • Ultra-high-purity material
  • Electronic applications

YO-125 (115KB)

YO-123

Y2O3

(Agglomerated & Sintered)

Y2O3

99.95 min

-106 µm/+11 µm

  • Ultra-high-purity material
  • Electronic applications

YO-123 (115KB)

Back To Top


Zirconium Oxide Powders

POWDER NAME & COMPOSITION

CHEMISTRY & SIZE

CHARACTERISTICS

SAFETY DATA SHEET (SDS)

ZRO-103

ZrO2-22MgO

(Fused)

MgO 21.75

ZrO2 balance

-53 µm/+11 µm

  • Good thermal barrier properties
  • Resistant to molten metals
  • Good particle erosion resistance
  • Useful up to 1700°F / 927°C

ZRO-103 (125KB)

ZRO-182

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-125 µm/+22 µm

  • Excellent thermal barrier properties
  • Stabilizes during the spray process
  • Useful up to 2450°F / 1343°C

ZRO-182 (129KB)

ZRO-113 / 114

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-106 µm/+11 µm

  • Excellent thermal barrier properties
  • Stabilizes during the spray process
  • Useful up to 2450°F / 1343°C

ZRO-113 / 114 (126KB)

ZRO-195-2

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-75 µm/+45 µm

  • Excellent thermal barrier properties
  • Stabilizes during the spray process
  • Useful up to 2450°F / 1343°C

ZRO-195-2 (122KB)

Al-1075

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-106 µm/+11 µm

  • Excellent thermal barrier properties
  • Stabilizes during the spray process
  • Useful up to 2450°F / 1343°C

AI-1075 (129KB)

ZRO-236 / 1484i

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-106 µm/+16 µm

  • Excellent thermal barrier properties
  • Stabilizes during the spray process
  • Useful up to 2450°F / 1343°C

ZRO-236 / 1484I (131KB)

ZRO-271

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-106 µm/+11 µm

  • Ultra-low monoclinic powder
  • High purity
  • Low NORM content (Naturally Occurring Radioactive Material)
  • Excellent thermal barrier properties
  • Useful up to 2450°F / 1343°C

ZRO-271 (130KB)

ZRO-271-3

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-45 µm

  • Ultra-low monoclinic powder
  • High purity
  • Low NORM content (Naturally Occurring Radioactive Material)
  • Excellent thermal barrier properties
  • Useful up to 2450°F / 1343°C

ZRO-271-3 (130KB)

ZRO-271-4

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-90 µm/+16 µm

  • Ultra-low monoclinic powder
  • High purity
  • Low NORM content (Naturally Occurring Radioactive Material)
  • Excellent thermal barrier properties
  • Useful up to 2450°F / 1343°C

ZRO-271-4 (130KB)

ZRO-271-5

ZrO2-8Y2O3

(Agglomerated & Sintered)

Y2O3 7.5

ZrO2 balance

-125 µm/+45 µm

  • Ultra-low monoclinic powder
  • High purity
  • Low NORM content (Naturally Occurring Radioactive Material)
  • Excellent thermal barrier properties
  • Useful up to 2450°F / 1343°C

ZRO-271-5 (130KB)

ZRO-256

ZrO2-9.5Y2O3

(Agglomerated & Sintered)

Y2O3 9.5

Yb2O3 5.6

Gd2O3 5.2

 ZrObalance

-106 µm/+11 µm

  • Useful in low-k applications

ZRO-256 (124KB)

Back To Top