CENTELLEN^® R 3825

Gasket sheet with best gas tightness and great stress relaxation for temperatures up to 200 °C.

CENTELLEN^® R 3825 is an excellent sealing material with best gas tightness and great stress relaxation for temperatures up to 200°C. This material was developed specifically for the requirements in the waste water and heating industry as well as in the engineering industry.

Basis

Aramid fibers bonded with NBR.

Areas of application

This material is suitable for hydrocarbons like oils or solvents, alcohols, glycols, aqueous solutions, water and steam.

Typical technical data for thickness 2.0 mm

Density		g/cm³	1.75
Compressibility ASTM F 36 J		%	9
Recovery ASTM F 36 J		%	55
Stress relaxation DIN 52913	50 MPa, 16 h / 175 °C	MPa	25
KLINGER cold/hot compression 50 MPa	thickness decrease at 23 °C thickness decrease at 300 °C	% %	13 28
Tightness	DIN 28090-2	mg/s x m	0.01
Thickness increase after fluid immersion ASTM F 146	oil IRM 903: 5 h / 150 °C fuel B: 5 h / 23 °C	% %	8 10
Cold compression	DIN 28090-2	%	8
Cold recovery	DIN 28090-2	%	5
Hot compression	DIN 28090-2	%	27
Hot recovery	DIN 28090-2	%	4
Max. surface pressure EN 13555	23 °C 175 °C	N/mm² N/mm²	> 200 > 200

Dimensions of the standard sheets

Sizes	1000 x 1500, 2000 x 1500 mm
Thicknesses	0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm Other thicknesses on request
Tolerances	Thickness acc. to DIN 28091-1 Length ±50 mm, Width ±50 mm

Function and durability

The performance and service life of KLINGER gaskets depend to a large extent on proper storage and fitting - factors beyond the manufactor’s control. We can, however, vouch for the excellent quality of our products. With this in mind, please also take note of our installation manual.