Silicone Rubber for Manual MoldMaking Design

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SILASTIC -MC RTV 328 RTV338 Manual mold making silicone DESCRIPTION SILASTIC RTV328 moldmaking rubber is a two-componet material,consisting of Part A base silicone and Part B CA30 curing agent,cures at room temperature by a condensation reaction. These materials can be cast into the cured silicone mold:plaster,polyurethane,PU,GRC,cement,resin,polyester,wax etc.. Advantages 1. Good for small quantity products duplication 2. Low viscosity,good tear& tensile strength 3. Best choice for manual mold making Applications RTV manual mold making silicone is suitable for manual mold design,Low melting point ally molds,plastic toys,electronics,stationery,large-scale sculpture,PVC plastic molds, electronic equipment ,etc. Data of RTV Silicone Rubber for Manual Mold Making Model Color Viscosity (±2000) Mm2/s Hardness (Mpa) Tensile Strength (Mpa) Tear Strength (KN/mm) Elongation (%) Mixing ratio (%) Pot life (Min) Demould time (H) MC328 Off white 28000 28±1 2.8 3.0 250 100:2 by weigh 30 6 MC338 Off white 35000 38±1 2.6 3.2 200 100:2 30 6 Note: The technical datasheet just for reference, the hardness,color of the silicone can be adjust according your requirement How to make the silicone mold? 1. Make sure the surface of the original is clean and free of loose material. 2. Weight 100 Part A base and 2 parts of CA30 Curing Agent in a clean container. 3. Stir Part A base silicone before use thoroughly , as filler separation may occur upon prolonged storage. 4. Mix Part A and Part B evenly until the CA30 completely dispersed in the base. 5. Pour the mixed Part A base silicone and CA-30 curing agent as soon as possible onto the original 6. De-mold after 24 hours ,it is will improve the replicate times of silicone mold. Note:It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mix to completely expand and then collapse. After a further 1-2 mins under vacuum, the mix should be inspected and can be used if free of air bubbles. A volume increase of 3-5 times will occur on vacuum de-airing the mixture. So a suitably large container should be chosen. STORAGE When stored at or below 30 C(85F) in the original unopened containers,SILASTIC RTV328 ,RTV338 Base and CA30 Curing agent have a usable life of 9 months.from the date of production. Note: SILASTIC RTV328/RTV338 is an industrial product and must not be used in food molding,dental human skin molding applications. Packing Part A base silicone :20kg/drum,25kg/drum or 200kg/drum Part B CA30 Curing Agent:0.25kg/bottle,1kg/bottle and 10kg/bottle The information above is just for reference, if you're interested or have any questions, please feel free to contact Nicole: Web:www(dot)mcsilicone(dot)com E-mail:nicole(at)mcsilicone(dot)com Skype:nicoleszmc MSN: nicoleszmc (at)hotmail(dot)com

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Mingcheng Group Limited

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