Model No.: Tp3126
HARDENER TP1530 is equivalent to Degussa B1530 ,is a polyisocyanate adduct used in combination with hydroxy functional resins , Due to the Caprolactam blocked NCO-groups it is stable during processing up to the unblocking temperature of more than 180°C/338°F (15 minutes) .
higher crosslink density and outstanding chemical resistance; NCO% 15.6; functionality 2.5;
mimimum baking temp Tg-value 50°.
Appearance: Transparent granule or light yellow
Equivalent: g/mol :275-285
Free- NCO content:1% min
Numerous OH-terminated polyester and acrylics can be used to achieve weather-resistant decorative powder coatings with excellent physical properties. These polyols have a determining influence on the performance of the coatings .
3.CURING : The curing temperature for PUR powder coatings based on 1530 lies above the splitting temperature of about 170ºC.a prerequisite for good physical properties of a coating is sufficient curing in the rage of 180ºC
20 minutes up to 200ºC 10 minutes total oven time,according to the following standard procedures.
Premixing : MTI -MIXER 2'-500rpm
Extrusion: W&P ZSK 30 90ºC-250RPM
Application: manual spray gun 80kv ,steel panels 0.88mm
Curing : Air -circulated heraeus oven ,coating thickness 55-75 um
5.Applications for polyurethane powder coatings
PUR powder coatings have been successfully used for many years in both exterior and interior
Applications such as motor vehicle parts fittings bicycles frames fork lift trucks exterior furniture and lawn equipment agricultural machinery appliances telephone booths.
6. Storage & Packing
The products is delivered in flat bags , net weight 25kg , If kept (0-40ºC) and dry in closed bags the product can be stored for at least 1 year in accordance to the specification .all opened bags should be carefully resealed immediately after use.
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