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Release agents

Product

Suitable for

Processing

Consumption approx. 1)

(g/m²)

Drying time at 20 °C ca.

(min)

Soluble in / washable with

Processing temperature

(°C)

Operating temperature
up to approx.

(°C)

silicone-free

Release agent Semiperm® Monofilm
(spray can)
EP, UP, VE, PF Spray several times, allow to dry and polish.
Creates a monomolecular film for multiple impressions.
25 - 30 10 -- 15 - 30 140 yes
Release spray TRS
(spray can)
EP, UP, VE, PUR, PMMA Spray on, allow to dry briefly and polish 20 - 50 5 Cleaning petrol 15 - 30 120 yes
Release wax
(liquid)
EP, UP, VE Apply with a cloth and polish to a shiny finish after drying. 20 - 50 10 Cleaning petrol 15 - 30 80 yes
Film release agent PVA
(liquid)
EP, UP, VE Apply one coat with a release agent brush and allow drying 60 15 Water 15 - 30 100 yes
Partall® Coverall film PVA
(liquid, solvent-free)
EP, UP, VE Apply one coat with a release agent brush and allow drying 60 15 - 30 Water 15 - 30 100 yes
Partall® Hi-Temp-Wax
(pasty)
EP, UP, VE Apply with a cloth, polish to a shine after 1 minute. 20 - 60 1 Cleaning petrol 15 - 30 180 yes
Formula Five® Mold release wax
(pastös)
EP, UP, VE Apply with a cloth, polish to a shine after 10 -12 minutes. 20 - 60 10 - 12 Cleaning petrol 15 - 30 100 no
PARTALL® Paste #2
(pasty)
EP, UP, VE Apply with a cloth and polish to a glossy finish. Can also be used in combination with Film release agent PVA. 20 - 60 1 - 2 Cleaning petrol 15 - 30 60 yes

Nomenclature

EP - Epoxy resin
UP - Unsaturated polyester resin
VE - Vinyl ester resins
PUR - Polyurethane resins
PF - Phenol-formaldehyde resin

1) For smooth, non-absorbent substrates such as GRP (mould resin), otherwise more.

Information on drying time at 60-70 % rel. air humidity 

 

What are release agents?

Release agents are liquid or paste-like products that prevent adhesion between two materials.

Processing recommendations

  • Shake container well (for liquid products)
  • Observe temperature (mould surface + release agent approx. 20 °C)
  • Remove residues in the mould with solvent and, if necessary, fine steel wool
  • Polish waxes with cotton cloth or cleaning and polishing cloth only
  • Wax new moulds several times (see the recommendation for products)
  • Remove old release wax layers

The substrate

Release waxes may only be used on oil- and grease-free substrates. Preliminary tests are required for absorbent substrates such as foam, wood, plaster, etc.

GRP surfaces are well suited for moulding. Painted surfaces, e.g. on master models (car parts, etc.) can generally be moulded with all R&G release agents. However, the paint must be sufficiently resistant to the solvents in the release agent. Preliminary tests (test impressions) are recommended.

Separating the moulds

The component can be removed easily if it has been detached from the mould at the edges beforehand. Plastic demoulding wedges in small and large versions help to separate the mould halves. Very thick, large parts can be removed more easily by tapping the part and mould with a rubber mallet.