Tripor is a range of two part liquid polyurethane foam systems, designed for easy use by inexperienced operators with simple tools. Liquid components A and B when mixed together react to form a foam structure. A wide variety of Tripor types are available to provide finished materials specific to the needs of the end user. Its most popular uses include moulded products, cavity infill, and in situ buoyancy.
Because of its liquid stage Tripor is ideal for pouring into moulds and cavities. As it reacts it rises flowing into complex shapes. Once cured the final object may be demoulded; if post finishing is required any release agent must be removed from the surface, standard finishes such as paint systems may be used to create a variety of effects. The adhesive properties of liquid foam are significant, this allows the use of metal, plastic or wood inserts; it may even be advantageous in panel manufacture when two substrates require bonding together.
Supplied in 10kg, 50kg and 450kg packs the Tripor 200 range is O.D.P. zero and can therefore be used for any application.
For the larger user, equipment is available which mixes the two components at the time of dispense. A timer facilitates accurate dosing giving rapid and easily repeatable results. Materials are dispatched in sealed containers which are replaced on an exchange basis, removing the need for container disposal. This is our Autopor/Autofroth system.
Autopor/Autofroth is a unique system designed to be cost effective and user friendly. Up to one third the price of conventional equipment, the system only requires a 240v electrical system, compressed air and bottled nitrogen. Because there are no pumps or mechanical mixers, moving parts are reduced to an absolute minimum. This not only cuts maintenance and down time costs, but makes for a simple operating system.
Two cylinders are pre-filled with the components A and B. These are connected to the mixing gun via heated lines which carry both thermostats and temperature gauges. The materials are driven to the mixing chamber by nitrogen pressure negating the need for pumps and controlling the environment for the two chemical components. Flow controllers regulate the material quantities being delivered to the mixing tube, various sizes of flow controller are available to suit customer needs. Material quantity is regulated by digital timer, the time set is the time period the equipment dispenses material. The timer also has a cumulative function, which records the total period of time material has been dispensed therefore giving an indication of material used, and material left within the containers.
Because the system is sealed, and the materials are pre-blended, it is possible to use gaseous blowing agents. These give two distinct advantages over conventional systems, firstly because the system is frothed it rises 25% at point of dispense. This means less sturdy jigging is required to restrain the rising foam, secondly lower densities are achievable ensuring cost effective filling and low thermal conductivity.
Cylinder sets are most commonly 500kg (nominal) or 2000kg (nominal). The 500kg sets are ideal for the small user, the sets can be mounted on a trolley or pallet which makes the unit versatile in its mobility, needing only a 240v supply and a compressed air connection. The 2000kg sets can run several guns, solid or flexible lines can be installed from which separate gun units can be mounted. This allows different output stations in areas remote from the main chemical storage area. Because the cylinders are filled at the factory, once empty they are exchanged for full units. Any material residual in the containers can then be credited eliminating wastage, drum disposal is also avoided.
Autopor/Autofroth equivalents to Tripor are available in most system numbers, and are known as the 400 series, this is to say Tripor number 216 would be Autopor/Autofroth 416 etc.
Tank and panel insulation
Structural infill e.g. for rotational mouldings
Narrow cavity filling
Resin transfer cores
Model and pattern making
High density decorative mouldings
The list below shows the most popular types with brief descriptions of their most common uses:
Tripor 203 Green - Medium density system, slow reaction, not suitable for small quantities, equivalent to Tricast 6
Tripor 207 - Medium to high density system, slow reaction, not suitable for small quantities, equivalent to Tancast 8
Tripor 209 - Medium density system, slow reaction, not suitable for small quantities, equivalent to Tricast 5
Tripor 216 - Medium density infill, semi structural, ideal in G.R.P. mouldings, nearest density equivalent is Tricast 5
Tripor 217 - Faster reacting version of 216, suitable for smaller quantities, nearest density equivalent is Tricast 5
Tripor 218 - Medium density moulding/insulation system, nearest density equivalent is Tricast 4
Tripor 224 - High density, not suitable for small quantities or low temperatures,equivalent is Tancast 12
Tripor 227 - General purpose infill hand mix, low density, nearest density equivalent is Tricast 3.
Further information can be found using the download’s below. This includes direction for calculating volume quantities.
View Tripor Use Problems
Trident Foams Limited
Goyt Valley Industrial Estate
Off Station Road, Furness Vale
High Peak SK23 7SN
Tel: +44(0)1663 740120
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