The food grade liquid silicone rubber (LSR)of BQ-6240 is a two-component,translucent, addition cure liquid silicone rubber with superior mechanical properties, particularly forbutton production of silicone rubber in high hardness and high strength
No curing by-product
Electronic key products of mobile phone; mask material; baby product,baby nipple/teat, babypacifier,baby toothbrush
Part A :Translucent liquid
Part B :Translucent liquid
Viscosity(25°C, Rotational Viscometer )
Part A :2000Pa.S
Part B :2500Pa.S
How to use
1.Mixed A with Baccording to mixing ratio of 1:1 through the static mixer,then injectingthe mixed rubber into the mold through the injection machine, the rubber mustbe full filled(hand-mixing isfeasible, poured into the mold for molding)
3.Test and determine the specific conditions of molding according to the thickness orsize of product
4.If the bonding between the special material and silicone rubber is needed(e.g. PET,PC, iron andsteel materials, etc.you can check the accessory products of the silicone adhesive about our company )
Store the liquid silicone rubber sealed in cool, dry and ventilated conditions;
Storage temperature :during 0~37°C
Collect and store the product with galvanized metal, polyethylene or polypropylene containers.
12 months under above conditions.It remain can be used after shelf life if the technical data is qualified.
Packagethe part A and part B with plastic drum .and 20Lfor each part, the net weightis 20kg
1.Separate or wipe clean the tools of part A,B before use , or it may cause the product can’t working normally because of the A&B mixedand local agglomeration
2.The effective operating time of the liquid silicone rubber is 4hours after the uniform mix between part A&B
3.During the rubber operation, avoid contact the compounds which contains the N, S, P, Sn, etc, or it will causeincomplete curing or not curing.
4.The best mix ratio of the liquid silicone rubber is A/B=1:1, toolarge or too small will influence the final product performance
1.Note the labor wearable during the application, avoid high-temperatureburns during the construction process, and prohibit consumption.
2.Use the liquid silicone rubber carefully, note the safety issues before and during use, moreover, follow the relevant provisions of national or local government safetyregulations. (Refer to the appropriate safety guidelines for details in MSDS)
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