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

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

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)

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)

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 Y_b2O₃ 5.6 G_d2O₃ 5.2 ZrO₂balance -106 µm/+11 µm	Useful in low-k applications	ZRO-256 (124KB)

Thermal Spray Powders