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How does KYDEX® compare to ABS and PC (Polycarbonate)?

Kydex® sheet provides:

  • Greater chemical resistance than ABS and PC
  • Higher impact resistance than ABS.
  • More uniform wall thickness than ABS and PC in deep drawn thermoformed parts, allowing down gauging of thickness in certain applications.
  • Lower moisture absorption. Kydex® sheet is less hydroscopic than ABS and PC, reducing or eliminating the need to dry the sheet prior to thermoforming.

What is the Flammability rating of KYDEX®? Does it meet the UL Std. 94 V-O rating?

KYDEX® sheet, depending on the grade used, offers various flammability ratings and is used for applications requiring extremely stringent flammability requirements.

What are the thermoforming temperature ranges for Kydex® sheet?

Please refer to the Kydex® Thermoforming Guide for information on thermoforming temperature ranges, mold characteristics (draft angles, radius, mold shrinkage, etc.) for make and female molds.

What is the impact resistance of Kydex® sheet?

The impact resistance of the Kydex® sheet is grade dependent, per the following examples:

Kydex® T 15 ft-lbs/in 801 J/m
Kydex® 100 18 ft-lbs/in 953 J/m
For impact values and other physical properties of any Kydex® sheet grade, call our customer service department.

What is the low temperature impact of Kydex® sheet?

The low temperature impact of Kydex® sheet is grade-dependent, per the following examples:

Kydex® T +73° F +23° C
-40° F -40° C
15 ft-lbs/in
.865 ft-lbs/in
666.705 J/m
46.170 J/m
Kydex® 100 +73° F +23° C
-40° F 40° C
18 ft-lbs/in
.545 ft-lbs/in
937.600 J/m
29.029 J/m

What is the Heat Deflection Temperature (HDT) of Kydex® sheet?

The HDT of Kydex® sheet is grade dependant, per the following examples:

Kydex® 100 173° F (78.33° C)
Kydex® T 168° F (75.56° C)
Kydex® 6185 185° F (85° C)

For HDT values and other physical properties of any Kydex® sheet grade, contact our customer service department.

Does Kydex® sheet meet Class 1/A Surface Burning Characteristics?

Yes, Kydex® 150 sheet meets the Class 1/A up to 0.050″ gauge and Kydex® 160 sheet meets Class 1/A up to 0.093″ (UL recognized) and 0.125″ (Independent testing).

Can Kydex® sheet be screen printed?

Yes, for the screen printing ink types and mixtures recommended contact Emco Plastics.

What is the chemical resistance of Kydex®?

Kydex® sheet has outstanding chemical resistance and resistance to a large range of cleaners.

Can Kydex® sheet be laser cut or hot gas welded?

Yes, for safety and health issues involving laser cutting and hot gas welding of Kydex® sheet, please refer to Tech Brief 137 for details.

What European fire specifications does Kydex® sheet meet?

See the following table:

BS 476 (part 6 class 1) Fire tests on Building Materials and Structures – method of test for fire propagation for products. Kydex® 100, Kydex® T
BS 476 (part 7 class 1) Method for Classification of the surface spread of flame of products. Kydex® 100, Kydex® T, Kydex® V100
BS 476 (part 7 class 1Y) Method for Classification of the surface spread of flame of products Kydex® 510, Kydex® T (1-6mm), Kydex® 100 (1-6mm)
EC 95/28/EG Directive Burning behaviors of materials used in interior construction of certain categories of motor vehicles
DIN 5510-2 Classification of burning behavior Kydex® T 0.7mm S4, ST2, SR2, 6.2mm S4, ST2, SR1; Kydex 100 0.9mm S4, ST1, SR2, 6.5mm S4, ST1, SR2; Kydex 6200 0.9mm S4, ST2, SR2, 6.8mm S4, ST2, SR2
DIN 4102-B1 Behavior of building materials, classification of burning Kydex® 100 (0.7mm only); Kydex® 200 (0.7mm only); Kydex® 6200 (0.7mm only)
M French Epiradateur Test – Ignitability (Classification or reaction to fire) Kydex® 161 (0.7-6.4mm) M1; Kydex T (0.7mm) M1; Kydex® T (3.2- 6.4mm) M2
RIPH Royal Institute of Public Health Conformance to Standard of Hygienic Merit



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