Polyblend Colour Concentrate manufactures Ultra Violet Rays Stabiliser Additive Masterbatches. Polyblend Colour Concentrate is an ISO 9001:2000 registered company. Ultra Violet Rays Stabiliser Additive Master batches absorb the detrimental ultraviolet rays & prevent color degradation and deterioration of plastics resulting in long term protection & excellent color stability. Ultra Violet Rays Stabiliser Additive Masterbatches is used for wide range of plastics. Ultraviolet rays contained in sunlight causes color degradation and deterioration of the quality of plastics which is protected by these master batches.