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Plasti-Paste™

Buy Smooth-On at FormX

Smooth-On is one of the worlds leading manufaturers 3D modeling materials such as mold-making, casting and special effects materials but also industrial casting resins, adhesives and equipment. FormX is main distributor of Smooth-On products in Europe.

Plasti Paste

Plasti-Paste™ is a two component fiber resin that is designed for vertical surface application. Part A is a liquid and Part B is a paste. Mix ratio is 1A : 3B by volume (41A:100B by weight).
It has no odor and pot life is 8 – 10 minutes depending on mass. Demold time (can be handled) is about 90 minutes depending on mass. Plasti-Paste™ holds a vertical surface without sagging and cures to a strong, durable and lightweight plastic. Suitable as a mother mold / support shell (reinforces shape of rubber mold during casting). Can be pigmented with So-Strong™ color tints available at form X. Add cabosil or other filler as an extender or for special effects.

Technical bulletin Plasti-Paste

Products

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Plasti-Paste products

  • Plasti-Paste™ /5 kg

    Shore 70 D Cure Time 90 min

    134,03 EUR

  • Plasti-Paste™ /26 kg

    Shore 70 D Cure Time 90 min

    534,29 EUR

Video
Informations

Preparation – Materials should be stored and used in at room temperature 23° C. This product has a limited shelf life and should be used as soon as possible. Mixing should be done in a wellventilated area. Wear safety glasses, long sleeves and rubber gloves to minimize contamination risk. If making a 2 or more piece mother mold, apply appropriate shim apparatus to rubber mold exterior.

Because no two applications are quite the same, a small test application to determine suitability for your project is recommended if performance of this material is in question.

Applying A Release Agent – This product is adhesive and will bond to many surfaces. A sealer followed by a release agent is necessary to facilitate demolding when applying as a mother mold over a cured mold rubber. Use Sonite™ Wax followed by a coating of Universal™ Mold Release or Ease Release 200 release agent. A liberal coat of release agent should be applied onto all surfaces that will contact the plastic. You can also apply aluminum foil as a barrier over the surface followed by an application of Mold Release agent.

PRE-MIX Part B Before You Start – Part B is a thick paste containing oil that needs to be pre-mixed before being dispensed into measuring container. Dig deep to re-disperse oil & paste components that may have separated.

Measuring – The components of Plasti-Paste™ requires two different sized containers. The first will be used for measuring out amounts of Part A and Part B. The second should be large enough to contain both components and allow thorough mixing. IMPORTANT: Shelf life of Part A (Yellow Container) is reduced after opening. Remaining product should be used as soon as possible. XTEND-IT™ Dry Gas Blanket will prolong shelf life of unused liquid urethanes.

Mixing – Mix Ratio is 1A:3B by volume (41A:100B by weight). (Step 1) Fill measuring container to the top with Part B paste, making sure to eliminate any air voids. Level off the top of the container and remove any excess material. The paste should then be thoroughly emptied into a larger container that will act as your mixing container. Repeat As Necessary. (Step 2) Fill the measuring container to the top with Part A liquid and empty into mixing container. Mix thoroughly for 2-3 minutes making sure that you scrape the sides and bottom of the mixing container several times. Eliminate color streaks. If adding So-Strong™ color tints, pre-mix color with the Part B before adding Part A.

Mixing Large Batches - A ‘Turbine’ mechanical mixer attached to a power drill will make mixing large batches of material much easier.

IMPORTANT: Shelf life of product is reduced after opening. Remaining product should be used as soon as possible. Immediately replacing the lids on both containers after dispensing product will help prolong the shelf life of the unused product. XTEND-IT™ Dry Gas Blanket (available from form X) will significantly prolong the shelf life of unused liquid urethane products.

Applying – Mixed material thickens quickly and pot life is limited. Do not delay between mixing and applying. To increase working time, spread entire container contents over rubber mold surface and cover and spread mixture to uncovered areas. Apply uniformly with spatula over mold surface. Material will adhere to itself if additional layers are needed. Apply at least 1 cm thickness, making sure rubber mold is thoroughly covered. For maximum strength and heat resistance, 1.27 cm thickness is recommended. Large molds may require added thickness for support shell stability. Supports (wood or metal) may be embedded for added stability and handling. Prevent a jagged surface; Final layer of Plasti-Paste™ can be smoothed by wiping solvent (denatured alcohol or acetone) onto surface with gloved hand.

Making A Two Piece Shell – Plasti-Paste™ will bond to most surfaces and itself tenaciously. A barrier coat of paste wax followed by Universal™ Mold Release applied to all surfaces is necessary to prevent adhesion. Applying aluminum foil to the contours of all surfaces followed by Universal™ Mold Release will also prevent adhesion.

Curing – Plastic will be hot immediately following cure. Let cool to room temperature before handling. Material will develop handling strength and can be handled in about 90 minutes depending on mass. At this point, it is stable enough to demold, re-assemble over rubber mold and make a casting (hold 2 or more piece assemblies together with elastic bands, mold straps or bolts). Large sections should be bolted together to minimize distortion. Full strength develops in 24 hours.

Heat Resistance – Fully cured plastic with a minimum thickness of (1.27 cm) will resist temperatures up to 55°C. To improve heat resistance to 70°C, post cure material at 65°C for 16 hours.

If machining or sanding cured plastic, wear NIOSH approved mask to prevent inhalation of residual particles.

Storage – For best storage results, cast into rubber mold with a gypsum plaster or other dimensionally stable material, assemble mold inside the Plasti-Paste™ support shell and store assembled molds on a level surface indoors at room temperature in a dry place.

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You might also need...

  • Mixing Beakers
  • Measuring Cups & Jars
  • Weighting devices
  • Brushes
  • Protective Gear such as gloves
  • Release agents
Mixing, Measuring & Weighting

Mixing, Measuring & Weighing

Mixing

  • Measuring Cup 30ml

    30ml + graduation

    0,16 EUR

  • Measuring cup 125ml

    125ml + graduation

    0,40 EUR

  • mixing/measuring cup 350ml

    Mixing and measuring beaker with measuring indication - 350 ml

    0,40 EUR

  • mixing / measuring cup 700 ml

    Mixing and measuring beaker with measuring indication - 700 ml

    0,49 EUR

  • mixing / measuring cup 1400 ml

    Mixing and measuring beaker with measuring indication - 1400 ml

    0,62 EUR

  • mixing / measuring cup 2300 ml

    Mixing and measuring beaker with measuring indication - 2300 ml

    1,01 EUR

  • SO mixing cup /473ml

    SO mixing cup /16oz

    0,86 EUR

Mixing

  • SO mixing cup /946ml

    SO mixing cup /32oz

    0,90 EUR

  • SO mixing cup /1892ml

    SO mixing cup /64oz

    1,99 EUR

  • SO mixing cupr /4880ml

    SO mixing cupr /165oz

    2,77 EUR

  • Mixing beaker round 500cc

    Mixing Beaker, Round, Polypropylene, 500 cc contents

    0,25 EUR

  • mixing beaker 1000cc

    Plastic mixing beaker 1162 ml.

    0,45 EUR

  • Mixing Bowl 2000 ml

    180x180 mm; 2000 cc

    0,75 EUR

  • Flexible mixing cup 500ml

    For gypsum, alginate etc.

    6,65 EUR

Mixing

  • Flexible mixing cup 1750ml

    For gypsum, alginate etc.

    15,98 EUR

  • Syrenge 50ml

    With catheter nozzle.

    4,76 EUR

  • Tongspatels

    Wooden tongue spatula

    2,83 EUR

  • stirring stick 22cm

    220x17x3 mm

    0,04 EUR

  • stirring stick 30cm

    30cm / price per piece

    0,20 EUR

  • Colad Turbomix /per 200

    200 stirrers in dispenser.

    50,73 EUR

  • Turbine Mixer

    Use with electrical drill

    13,31 EUR

Brushes

Brushes

  • flat brush 30mm

    flat disposable brushes

    0,66 EUR

  • flat brush 40mm

    flat disposable brushes

    0,76 EUR

  • flat brush 50mm

    flat disposable brushes

    1,15 EUR

  • flat brush 60mm

    flat disposable brushes

    1,14 EUR

  • flat brush 70mm

    flat disposable brushes

    1,15 EUR

  • polyesterkwast 20mm

    polyester brush 20mm round

    2,55 EUR

  • polyesterkwast 25mm

    polyester brush 25mm round

    2,90 EUR

  • Polyesterkwast 35mm plat

    houten polyesterkwast 35mm plat

    1,83 EUR

  • Calupaint flat brush 40mm

    Calupaint flat brush professionel 40mm

    2,15 EUR

  • brush 40mm

    Brush, flat, 40mm, wooden handle.

    2,35 EUR

  • Polyesterkwast 50mm plat

    wooden polyester brush 50mm flat

    2,86 EUR

  • Polyester kwast plat 75mm

    Polyester brush, Flat, 75 mm

    2,75 EUR

Protective Gear

Protective Gear

  • Glove Nitrile S

    Glove Nitrile S

    9,10 EUR

  • Glove Nitrile L

    Glove Nitrile L

    9,10 EUR

  • Glove Nitrile M

    Glove Nitrile M

    9,10 EUR

  • Glove Nitrile XL

    Glove Nitrile XL

    9,10 EUR

  • Stenchmask carbon fibre

    Stenchmask carbon fibre

    3,84 EUR

  • Paint spray mask Colad

    Complet easy to wear paint spray mask.

    35,39 EUR

  • 3M 06941 Halfgelaatmasker

    FFA1P2D

    63,45 EUR

  • Filter ABEK1

    For 3M 6200 maskers

    30,47 EUR

  • 3M safety glasses Classic

    3M safety glasses Classic

    12,55 EUR

Release Agents

Release Agents

Spray Releases

  • Safety Info Acmos

  • Acmos 82 aerosol /400gr

    Removable universal release agent/ wax based / aerosol spraycan

    14,65 EUR

  • Ease Release™ 200 /340 gr

    Ease Release™ 200 /340 gr

    16,15 EUR

Spray Releases

Spray Releases

Guide

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  • Foam

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    restoring in- and exterior ornaments and buildings.

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    resins and other materials used for rapid prototyping.

  • Textile

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