LEAKBLOK® Premium P400

Compressed Asbestos-Free Gasket

Category:

Description

Material Properties

Color Brown(Black Printed)
Composition Aramid Fiber + NBR Binder
Fluids Service Portable Water, Oils, Fuels, Salt Solution, Mild acids and alkalis, gas line
Pressure Short-term peak
100bar(1450 psi)
Temperature Continuous
-150°C(-238°F)
Short-term peak-196°C (-321°F)
Max 430℃(806°F)
pH range 4-11
Thickness(mm) 0.8 ~ 3.2(mm)
Size(mm) 1270×1270, 1500×1500 (mm)
Certificates Lloyd’s & ABS Type Approval , TA-Luft(VDI 2440), WRAS, BS 7531 Grade X

Fire Endurance Test(ISO 19921 & 19922)

Service Range

P400 Service Range

Area A Satisfactory area subject to chemical compatibility
Area B Usually suitable but required technical recommend by Khong Lieng
P×T(Max) psi ×°F(bar×°C) / 725,000(26,000)

Physical Properties

Test Method Description LEAKBLOK® P400
ASTM D792 Density (g/cm3)  1.9
ASTM F152 Tensile Strength
Across grain.
MPa (kgf/mm2)
16.7(1.70)
ASTM F36
Procedure J
Compressibility (%)
Recovery (%)
8
63
DIN 52913 Relaxation Stress(MPa)
-50MPa 16 hours @300°C
38.2
BS 7531 Relaxation Stress(MPa)
-40MPa 16 hours @300°C
25.1
DIN 3535-6 Gas permeability(ml/min) ≤ 0.01
VDI 2440
(TA-Luft)
Leak rate
( mbar·l /(s·m) )
-at 150°C 48 hours
2·10-8

Immersion Properties

Test Method
ASTM F146 at 150°C×5hrs
Description LEAKBLOK® P400
ASTM Oil no 3 at 20~30°C×5hrs Thickness Increase (%) 4
ASTM Fuel A
ASTM Fuel B
Thickness Increase (%)
Thickness Increase (%)
1
4

Gasket Design Data

Thickness (mm) Gasket Factor (m) Min. Design Seating Stress(y)
Kgf/cm2 (psi)
3.2 2.00 112(1600)
1.6 2.75 260(3700)
0.8 3.50 457(6500)

* All data are 1.5mm thickness typical value.

Innovative technology, LEAKBLOK® , absolutely distinguished from the traditional way of calendar roll production.

It specially invented with environmentally friendly solvent free process.

Compare with previous product, it shows strong durability and superior at low seating stress.

Suitable for use steam and clean line, excellent protection of fluid contamination.

Warning

  • Not available with max. temperature & pressure at the same time.
  • Guide line only, if outside this range contact us.
  • Do not re-use gaskets unless this is specifically indicated.
  • Do not use gasket compounds with gasket as this will adversely affect performance.
  • Please consult with Khong Lieng for application of steam & explosive gas line especially.