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PVC Solvent Cement: Tetrahydrofuran, Cyclohexanone and PVC Resin (Gheen, US 3,539,166)
PVC pipe is not glued; it is welded by a solvent that softens both faces, which then dry as one. Gheen's cement is fast tetrahydrofuran, slow cyclohexanone and a little PVC resin for body.
Result: a solvent cement that bonds PVC pipe ends into their fittings.
Source: Gheen, US 3,539,166 (R. H. Pierce, 1970). Not given: how it is mixed. Picture drawn by Youblob.
Beginner
1 hour
Instructions
1
1
Weigh the parts
Weigh the parts
Weigh 75 parts tetrahydrofuran, 15 parts cyclohexanone and 10 parts PVC suspension resin, by weight.
Materials for this step:
Tetrahydrofuran75 parts by weight
Cyclohexanone15 parts by weight
PVC Resin10 parts by weightTools needed:
Balance Scale2
2
Dissolve the resin
Dissolve the resin
Ours: stir the resin into the mixed solvents in a closed jar until clear, and keep it closed.
Tools needed:
Glass Jars with Lids
Stirring Rod3
3
Make a joint
Make a joint
Coat the inside of the socket and the outside of the pipe end, push the pipe home, and let the solvent evaporate. The faces stay bonded very strongly.
Materials
3- 75 parts by weightPlaceholder
- 15 parts by weightPlaceholder
- 10 parts by weightPlaceholder
Tools Required
3- Placeholder
- Placeholder
- Placeholder
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