HEAD AND MANIFOLD GASKETS
materials used are divided into two types and the finished gaskets derived
from these are sometimes coated or have silicon beading to assist sealing.
A laminate consisting of a steel perforated or tongued
centre layer, with facings on the outside
- normally black or dark grey.
Consists of Steel/Jointing/Steel laminate which is the
reverse of ADC and is used mainly on high temperature exhaust pipe and
The steel sheets are tongued so that the tines penetrate the jointing and the
frequency of perforations are 4-5per cm.
Compressibility: 16% Recovery: 34% (min) Temperature Limit: 600°C
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