RTV-2 728#silicon rubber 5kg/25kg/200kg

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RTV-2 728#silicon rubber 5kg/25kg/200kg
Posting date : Jul 07, 2011
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28-
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used for mold duplication and delicate mold making for poli crafts,resin crafts lighting and candle crafts. RTV—TWO molding silicone rubber(silicon)and silicon are generally named as two-part room temperature sulfurated silicone rubber,which features an exceptional fluidity and good operability.When mixed with 2%一3% curing agent,they can still be operated within 30 minutes,but will be formed after 2-3 hours.With resistance to deformation,high temperature,acid and alkali,and expansion,silicon flexible molds are used for mold duplication and delicate mold making for poli crafts,resin crafts lighting and candle crafts. Model 728# Appearance white Mixing Proportion of curing agent 2% Operating Time 30min Curing time 2-4h Hardness A° 25 Users instruction for RTV-2 Room-temperature sulfurated silicon rubber products This product is a white or red flowable liquid with a hardness of 22—50A° when cured.If large products and therefore multiple piece molds are needcd by customers,silicone rubber with higher hardness will be required for the molds.Conversely,soft silicon is indispensable for molds with complicated pattern and delicate details.The amount of curing agent admixture depends on the actual need of customers.More will be added for speedy drying and fast release and less when otherwise. (Note:we do not recommend silicon oil.For special soft mold or molds with complex pattern or fine details,5%一10% silicon oils can be added to condition the flexibility of the mold for convenience of release) Curing agent and silicon mixing proportion and their reaction: 1、Added with 1% of curing agent,silicon can still flow within 2.5 hours,mold can be released in 6-8 hours. 2、Added with 2% of curing agent,silicon can still flow within 50 minutes to 1 hour,mold can be released in 2—3 hours. 3.Added with 3% of curing agent,silicon can still flow within 28—30 minutes.mold can be released in 1.5—2 hours 4、Added with 4% of curing agent,silicon can still flow wtithin 10一15 minutes,mold can be released in 1—1.5 hours. http://wendyzhang2008(dot)diytrade(dot)com/ www (dot) szrl (dot) net hyw(at)szrl(dot)net Helenliao888(at)hotmail(dot)com contact: Helen Telephone:0086 755 89948019

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