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Build prototype parts in solid black from photopolymer which is white in its liquid state

04 February 2009

You can build accurate robust concept models and functional prototype parts in solid black from photopolymer which is white in its liquid state, without painting and with minimal part finishing using RenShape SL7820 from Huntsman Advanced Materials. The change in colour only takes place where the resin is irradiated with UV to give you pinpoint accuracy, excellent toughness, high impact resistance and good temperature resistance up to 60oC.

Designed for use on solid state SLA platforms, RenShape SL7820 is designed for building strong black models and prototypes with good surface finish and detail and ABS-like appearance. It is ideal in sectors such as automotive where black is the colour of choice, consumer packaging, electronics housing, toys and many other sectors where accuracy, robustness and cost are important factors.

RenShape SL7820 offers a superior range of physical properties to other materials. It builds strong solid black models and prototypes with good surface finish and detail and ABS-like appearance.

After 3 months at 40oC at 90% relative humidity, the increase in weight of parts made with RenShape SL 7820 parts is below 2% compared to an increase in weight of between 3 and 5 % for other resins. After 3 months at 23oC and 50% relative humidity, the increase in length is 0.05% compared to other resins whose length increases by 0.2%.

RenShapeSL7820 is stable at ambient temperatures over a year and has a low viscosity which makes recoating during the build easy, as well as enabling good drainage for fast cleaning.

RenShape SL7820 is the logical addition to the SL7800 (amber), SL 7870 (clear) and SL 7810 (white) range.




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