KYDEX® FST

Chemical Family: Polycarbonate (PC)

Kydex® FST is formulated to meet flammability and smoke development requirements, (FAR) 25.853 paragraphs (a) and (d) and toxicity requirements for Airbus (ABD0031) and Boeing (BSS7239).

Product families

Applications

Automotive & Transportation — Transportation

Aerospace & Aviation

Product Families

Plastics — Engineering & Specialty Polymers

Polycarbonates

Other characteristics

Brand: Kydex KYDEX
Polymer Name: Polycarbonate (PC)
Markets: Automotive & Transportation
Technology: Plastics
Quality Standards: FAR 25.853
Plastics and Elastomers Functions: Resin

Technical data

Table 1 of 5

11 rows

Characteristic	Value	Unit	Method
Bearing Strength	max. 307.5	MPa	ASTM D953
Bearing Strength (4% Defelection)	26.9	MPa	ASTM D953
Compressive Modulus	2813	MPa	ASTM D695
Compressive Strength, yield	87.6	MPa	ASTM D695
Flexural Modulus	2496	MPa	ASTM D790
Flexural Strength	114.5	MPa	ASTM D790
Gardner Drop Dart Impact	71.2	J	ASTM D5420
Poisson’s Ratio	0.466	—	ASTM D638
Shear Strength	77.9	MPa	ASTM D732
Tensile Modulus	2392	MPa	ASTM D638
Tensile Strength	71.7	MPa	ASTM D638

Table 2 of 5

3 rows

Characteristic	Value	Unit	Method
Rockwell Hardness (R-Scale)	125	—	ASTM D785
Specific Gravity	1.34	—	ASTM D792
Water Absorption (24 hr.)	0.15	%	ASTM D570

Table 3 of 5

2 rows

Characteristic	Value	Unit	Method
Coefficient of Thermal Expansion	57.8	mm/m/°C	ASTM E831
Heat Deflection Temperature (264 psi (1.8 MPa) Annealed)	120.5	°C	ASTM D648

Table 4 of 5

1 row

Characteristic	Value	Unit	Method
Dielectric Strength (Oil)	14.8	kV/mm	ASTM D149

Table 5 of 5

6 rows

Characteristic	Value	Method
Airbus Smoke Toxicity	Pass	ABD0031
Boeing Smoke Toxicity	Pass	BSS7239
NBS Smoke Density	max. 200	FAR 25.853(d) Part V
OSU Heat Release	max. 65/65	FAR 25.853(d) Part IV
Vertical Burn (12-second)	Pass	FAR 25.853(a)(i)
Vertical Burn (60-second)	Pass	FAR 25.853(a)(i)