What is KetaSpire® KT-880

KetaSpire® KT-880 BK 95 is a member of Solvay's high-performance Polyether Ether Ketone PEEK family. While maintaining the inherent high-temperature and chemical stability of PEEK resin, this material further enhances flame retardancy, processing flow, and medical-grade biocompatibility.

Its performance covers a wide range of applications, from film and extrusion grades to medical and drinking water contact grades, providing greater design flexibility for precision components in demanding environments.

KetaSpire® KT-880 BK 95

I. Key Highlights

Excelente resistencia al fuego: UL94 V-0 (3.0mm) is compliant, making it suitable for electrical and medical devices with stringent safety standards.

High-temperature long-term stability: RTI (Electrical/Structural) ratings are both 260°C, enabling long-term operation under high thermal and electrical stresses.

Multiple sterilization compatibility: Supports steam, autoclave, gamma irradiation, ethylene oxide, and electron beam sterilization.

Excellent dimensional stability and fatigue resistance: Ensures controlled deformation under long-term loads in medical devices and aerospace connectors. High Flow: MFR (400°C, 2.16kg) is 36 g/10min, significantly improving the efficiency of injection molding and thin-walled product processing.

II. Performance Analysis

UL	Condición	Estándar	Valor	Unidad
CTI		IEC 60112	4	SOCIEDAD ANÓNIMA
GWFI	0.85mm	IEC 60695-2-12	960	°C
GWFI	1,5 mm	IEC 60695-2-12	960	°C
GWIT	3,0 mm	IEC 60695-2-13	850	°C
Hola	NC BK 0.2mm	UL 746A	1	SOCIEDAD ANÓNIMA
Hola	NC BK 1,5 mm	UL 746A	1	SOCIEDAD ANÓNIMA
Hola	NC BK 3,0 mm	UL 746A	1	SOCIEDAD ANÓNIMA
Alta Velocidad		UL 746A	3	SOCIEDAD ANÓNIMA
HWI	NC BK 0.2mm	UL 746A	3	SOCIEDAD ANÓNIMA
HWI	NC BK 1,5 mm	UL 746A	1	SOCIEDAD ANÓNIMA
HWI	NC BK 3,0 mm	UL 746A	1	SOCIEDAD ANÓNIMA
RTI	Elec NC BK 0.2mm	UL 746B	260	°C
RTI	Elec NC BK 0.75mm	UL 746B	260	°C
RTI	Imp NC BK 0.85mm	UL 746B	180	°C
RTI	Imp NC BK 1.5mm	UL 746B	180	°C
RTI	Str NC BK 1.5mm	UL 746B	260	°C
RTI	Str NC BK 3.0mm	UL 746B	260	°C
Resistencia al arco		ASTM D495	6	SOCIEDAD ANÓNIMA
Clasificación de llama	NC BK 0.2mm	UL94	media pensión
Clasificación de llama	NC BK 1,5 mm	UL94	media pensión
Clasificación de llama	NC BK 3,0 mm	UL94	V-0
Comportamiento mecánico	Condición	Estándar	Valor	Unidad
Alargamiento	Producir	ISO 527	5.0	%
Alargamiento	Rendimiento 50 mm/min	Norma ASTM D638	5.2	%
Alargamiento	Romper	ISO 527	10~20	%
Alargamiento	Rotura 50 mm/min	Norma ASTM D638	10~20	%
Resistencia al corte		Norma ASTM D732	95.1	MPa
Resistencia a la compresión		Norma ASTM D695	123	MPa
Resistencia a la flexión		Norma ASTM D790	153	MPa
Módulo de flexión		ISO 178	3900	MPa
Impacto sin muescas Izod		ASTM D4812	NÓTESE BIEN
Impacto sin muescas Izod		ISO 180	NÓTESE BIEN
Resistencia a la tracción	50 mm/min	Norma ASTM D638	100	MPa
Resistencia a la tracción	Producir	ISO 527	102	MPa
Módulo de tracción	1,0 mm/min	Norma ASTM D638	3700	MPa
Poisson's Ratio		Norma ASTM E132	0.37
Térmico	Condición	Estándar	Valor	Unidad
Coeficiente de conductividad térmica		ASTM E1530	0.25	W/(m·K)
Calor específico	50°C	ASTM C351	1330	J/(kg·°C)
Calor específico	200°C	ASTM C351	1930	J/(kg·°C)
HDT	Recocido 1,8 MPa	Norma ASTM D648	160	°C
Temperatura de fusión		Norma ASTM D3418	343	°C
Temperatura de transición vítrea		Norma ASTM D3418	147	°C
CLE	Flow -50.0~50°C	Norma ASTM E831	5E-5	cm/cm/°C
Propiedad fisica	Condición	Estándar	Valor	Unidad
Absorción de agua	24 horas	Norma ASTM D570	0.10	%
Contracción	Fluir	Norma ASTM D955	1.4~1.6	%
Contracción	xFlujo	Norma ASTM D955	1.5~1.7	%
Densidad		Norma ASTM D792	1.30	gramos/cm³
Viscosidad de fusión	400°C 1000sˉ1	ASTM D3835	150	Pa·s
Índice de fusión	400°C 2.16kg	Norma ASTM D1238	36	g/10min
Propiedades electricas	Condición	Estándar	Valor	Unidad
Constante dieléctrica	1 kHz	Norma ASTM D150	3.01
Resistividad volumétrica		Norma ASTM D257	3.8E+17	Ω.cm
Rigidez dieléctrica	3,0 mm	Norma ASTM D149	15	kilovoltios/mm
Factor de disipación	1 kHz	Norma ASTM D150	0.001
Resistividad superficial		Norma ASTM D257	1.9E+17	Ω
Dureza	Condición	Estándar	Valor	Unidad
Dureza Rockwell	M(Escala)	Norma ASTM D785	102
Inflamabilidad	Condición	Estándar	Valor	Unidad
Clasificación de llama	NC BK 0.2mm	UL94	media pensión
Clasificación de llama	NC BK 0.75mm	UL94	media pensión
Clasificación de llama	NC BK 3,0 mm	UL94	V-0

Robust Mechanical Properties

Tensile strength of approximately 100 MPa and flexural strength of approximately 150 MPa, demonstrating a combination of rigidity and toughness. The material exhibits stable performance in impact and fatigue tests, making it suitable for components subjected to long-term mechanical loads.

Excellent Thermal Stability

With a high melting point of 343°C and a heat deflection temperature of approximately 160°C, it maintains structural integrity under high temperatures and repeated thermal cycling.

Excelente aislamiento eléctrico

Volume resistivity of approximately 3.8 × 10¹⁷ Ω·cm and dielectric strength of 15 kV/mm, it is suitable for high-voltage insulation and electronic connection systems.

Flame retardancy and strong safety

UL94 V-0 rating (3 mm), GWFI and GWIT ratings of 960°C and 850°C, respectively, demonstrate excellent flame retardancy and arc protection.

Chemical resistance and wide compatibility with sterilization

It offers stable resistance to acids, alkalis, oils, and a variety of chemical media. It is compatible with various sterilization methods, including steam, high pressure, ethylene oxide, and radiation, making it suitable for the repeated use of medical devices and industrial parts.

Iii. Process Compatibility

KetaSpire® KT-880 BK 95 has excellent processing flexibility and can be applied to various forming methods:

・Injection molding: Its melt has a relatively high fluidity (about 150 Pa·s), which can shorten the molding cycle while maintaining the precision of the product.

・Extrusion and blow molding: Suitable for the production of films, profiles and hollow products, ensuring uniform product structure.

・Thermoforming and CNC machining: It features excellent dimensional stability and can meet the secondary processing requirements of high-precision components.

In the manufacturing of medical equipment and aviation structural components, this material has good interface compatibility with metal substrates such as stainless steel and titanium alloy, supporting the integrated forming and assembly of composite parts.

Iv. Typical Application Fields

Industry	Representative Applications	Material Advantages
Aerospace	Cable connectors, fuel system components	Flame retardant, lightweight, high temperature resistance
Medical Devices	Surgical instruments, dental components, sterilizable housings	Repeated sterilization capability, biocompatibility
Electrical & Electronics	Insulating brackets, sensor housings	High dielectric strength, thermal stability
Oil & Gas	Pump seals, valve assemblies	Chemical resistance, fatigue resistance
Industrial Equipment	Precision films, bearing housings	Wear resistance, low water absorption

V. Industry Trends and Competitive Advantages

In medical and aerospace manufacturing, polyetheretherketone (PEEK) is replacing traditional metals and engineering plastics such as PPS and PEI, becoming the mainstream choice for high-end parts.

The high flowability and multi-standard certifications of KetaSpire® KT-880 BK 95 make it suitable not only for mass injection molding but also for the production of precision films and high-purity components.

It reduces molding costs without sacrificing strength, helping manufacturers achieve a balance between high performance and manufacturability.

VI. Recommended Materials Similar to KetaSpire® KT-880

Modelo de producto	Densidad	Resistencia a la tracción	Alargamiento	Contracción	Módulo de tracción	Temperatura de deflexión térmica.	Izod Impact (Notched)	Módulo de flexión	Izod Impact (Unnotched)	Resistencia a la flexión	Resistencia a la flexión
KT-880 BK 95	1.30 g/cm³	100 MPa	5.00%	1.4~1.6 %	4000 MPa	160 °C	5.40 kJ/m²	3800 MPa	—	153 MPa	153 MPa
KT-880 BK	1.3 g/cm³	102 MPa	5.20%	1.50%	3700 MPa	160 °C	53 J/m	3800 MPa	—	153 MPa	153 MPa
KT-880 CF30	1.41 g/cm³	218 MPa	1.70%	0.0~0.20 %	20900 MPa	315 °C	64 J/m	17900 MPa	640 J/m	321 MPa	321 MPa
KT-880 GF30 BG 20	1.53 g/cm³	162 MPa	3.10%	0.1~0.3 %	11200 MPa	315 °C	7.04 kJ/m²	10500 MPa	86.73 kJ/m²	260 MPa	260 MPa
KT-880 FW30	1.45 g/cm³	180 MPa	1.80%	0.55%	13500 MPa	—	68 J/m	13500 MPa	530 J/m	280 MPa	280 MPa
KT-880 NT	1.3 g/cm³	100 MPa	5.20%	1.40~1.60 %	3700 MPa	160 °C	53 J/m	3800 MPa	—	153 MPa	153 MPa
KT-880 GF20	1.46 g/cm³	152 MPa	3.70%	—	8200 MPa	—	60 J/m	7860 MPa	770 J/m	254 MPa	254 MPa
KT-880 GF30 BK 95	1.53 g/cm³	162 MPa	3.10%	0.1~0.3 %	11200 MPa	315 °C	7.04 kJ/m²	10500 MPa	86.73 kJ/m²	260 MPa	260 MPa
KT-880 SL30	1.48 g/cm³	162 MPa	1.90%	0.65~0.85 %	14500 MPa	293 °C	5.83 kJ/m²	11700 MPa	32.1 kJ/m²	225 MPa	225 MPa
KT-880 CF40	1.46 g/cm³	258 MPa	1.60%	—	33000 MPa	332 °C	80 J/m	30000 MPa	750 J/m	386 MPa	386 MPa
KT-880 NL	1.30 g/cm³	100 MPa	5.20%	1.70%	3700 MPa	160 °C	53 J/m	3800 MPa	—	153 MPa	153 MPa
KT-880 GF15 NT	1.42 g/cm³	138 MPa	5.00%	—	6610 MPa	278 °C	4.79 kJ/m²	—	67.34 kJ/m²	231 MPa	231 MPa
KT-880 CF 30 MR	1.41 g/cm³	218 MPa	1.70%	0.10%	20900 MPa	315 °C	64 J/m	17900 MPa	640 J/m	321 MPa	321 MPa

VII. FAQ: Frequently Asked Questions Before Purchasing

Q1: What is the difference between KetaSpire® KT-880 BK 95 and standard PEEK?
A: This model is flame-retardant and medical-grade, offering enhanced sterilization compatibility and electrical safety, making it suitable for demanding industries.

Q2: Can this material be used for food contact?
A: It is certified for drinking water contact, and some batches meet food-grade requirements. We recommend verifying the compliance certificate when purchasing.

Q3: Does Juyuan offer modification solutions?
A: Juyuan can provide glass fiber reinforced, lubricated, or conductive modified versions based on customer needs to suit different operating conditions.

VIII. Juyuan - Your PEEK Supply and Technology Partner

As a supplier specializing in the international trade of plastic raw materials for 24 years, Juyuan not only provides PEEK materials from original sources but also offers modification recommendations, molding guidance, and alternative options tailored to industry needs.

Whether you're in the medical device, aviation manufacturing, or petrochemical industries, Juyuan can match you with the most suitable polyether ether ketone PEEK solution.

Polyether Ether Ketone PEEK

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KetaSpire® KT-880 BK 95: Medical Polyether Ether Ketone PEEK

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