BS 2782-8:Method 835C:1980
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods of testing plastics. Other properties Determination of gelation time of polyester and epoxide resins using a gel timer
Hardcopy , PDF
English
30-05-1980
23-11-2007
NO CONTENTS SECTION
Specifies a procedure for determining the time for a polyester or epoxide resin system maintained at a specified temperature to reach the stage in the process of hardening at which resistance to movement of a plunger, immersed in the resin and mechanically driven with a slow reciprocating motion, reaches a value indicative of the onset of elasticity due to gelation. Suitable for systems which the gelation time at the test temperature is not less than about 5 min. Results on high viscosity resins or filled systems should be treated with caution because of the effects of differences in viscoelasticity or the densities of the mixtures.
| Committee |
PRI/21
|
| DevelopmentNote |
Supersedes 79/51003 DC and BS 2782(1970) (06/2005)
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
This standard has been withdrawn and is no longer current. No replacement edition is available.
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