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ROHS Hardness 85 Bulk Density 3.6 G/cm3 Mechanical / Electronics Alumina Ceramic Ring

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Product Details

Brand Name

FFTC

Place of Origin

China

Delivery Time:Depends on the quantity, always in a month.
Certification:ROHS

ROHS Hardness ≥ 85 Bulk Density ≥ 3.6 g/cm3 Mechanical / Electronics Alumina Ceramic Ring

Description:

Alumina?rings?have?the?performances?of?high?purity,good?hermetical?property,good?hardness,low?abrade,

anti-corrode,high?grinding?efficiency,no?pollution.

Widely?implicated?in?the?areas?of?ceramic,electric?power,petroleum,chemical?industry?and?light?industry,?

they?are?the?liner?and?grinding?medium?for?various?ceramic?material,?α-Al2O3?powder,?flake?alumina,?

kaolin,?fusible?corundum,porcelain?enamel,dye,ceramic?glaze,dope,printing?ink,special?glass,various?ball

?mill?machines.

Applications:

Mechanical,electronics,chemical,textile,aeronautic?and?other?fields.

Specifications:

95%,99%,99.7%?Al2O3?Material?Parameters:

Item	Test?Condition	Unit?Symbol	95%Alumina? ceramics	99%Alumina? ceramics	99.7%Alumina? ceramics
The?main?chemical? ingredient			Al2O3	Al2O3	Al2O3
Bulk?Density		g/cm3	3.6	3.89	3.96
Maximum?Use Temperature			1450℃	1600℃	1650℃
Water?absorption		%	0	0	0
ROHS?Hardness			≥85	≥89	≥89
Flexural?strength	20°?C	MPa?(psi?x?103)	358?(52)	550	550
Compressive?Strength	20°?C	MPa?(psi?x?103)	2068?(300)	2600(377)	2600(377)
Fracture?Toughness	K(I?c)	Mpa?m1/2	4-5	5.6	6
Coefficient?of? thermal?expansion	25-1000°?C	1X?10-6/°C	7.6	7.9	8.2
Coefficient?of? thermal?conductivity	20°?C	W/m?°K	16	30.0	30.4
Thermal?Shock? Resistance	Tc	°C	250	200	200
Dielectricity?constant	1MHz.25℃		9	9.7	9.7
Dielectric?strength		ac-kV/mm?(ac?V/mil)	8.3?(210)

Yixing Feifan Ceramics Co.,Ltd: Contact nameLiu Guoxiang
Chat Now; Phone86-0510-87191518; AddressJianxin Village Dingshu town Yixing city, Binzhou, Shandong

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