CLASS 1 NBR RUBBER INSULATION

Items

Specification

Thickness

Facing

Roll

Length 1-10 m;

Wdith 1/1.2/1.5 m

3 - 60 mm

Unfaced/FSK foil/Seld-adhesinve

Sheet

Length: 1 -2.4 m

Width 0.4 -1 m

6. 50 mm

Tube

ID 6 - 108 mm

Length 1.8 / 2 m

7. 50 mm

Item

unit

Performance Index

CLASS 1

board

pipe

Combustion Performance

-

Fire rating

Class 1

Oxygen Index

≥28

thermal conductivity（with average temperature being 0℃)

W/(m.k)

 -20 °C = 0,036
 0 °C = 0,038
+20 °C = 0,040
+40 °C = 0,042

vapor permeability performance

moisture permeability

g/(m.s.pa)

≤2.8 x 10-11

moisture resistance factor

-

≥7.0 x 103

vacuum water absorption rate

%

≤10

dimension stability

%

≤10

tear strength

N/cm

≥3.0

≥3.0

≥3.0

≥3.5

compression rate

%

≥70

(compression rate being 50% with compression time for 72 hours)

resistance to ozone

-

no crack

Work tempreture

℃

-50 to 140

aging resistance (150h)

-

Slight wrinkle, flawless, no pinhole and distortion

UV Resistance

-

High UV resistance of composed rubber foam, with aluminum foil