Back to Organic light-diffusion agentOrganic light-diffusion agent

A-683

Organic light-diffusion powder for transparent plastics

An organic powder documented for PC, PMMA, PS, PP and PET optical parts where LED hiding, diffusion, haze and light transmission must be balanced.

A-683 Powder
Powder
Recommended materialsPC / PMMA / PS / PP / PET
Starting dosage0.3-0.5% recommended range
Form and packPowder
20 kg carton
TDS-derived technical profile

Key values listed for A-683

The following technical values are taken from the current TDS to support grade selection and initial formulation work.

PropertyListed valueCondition
Heat resistance470°CSource TDS statement
Light transmittance30-80%1.2 cm diffusion plate reference
HazeAround 89.2%1.2 cm diffusion plate reference
Light transmittanceUp to 93%Extrusion reference in source TDS
Selection direction

What this grade is positioned to support

  • Point-light-source hiding
  • Light diffusion and haze adjustment
  • Transmission-conscious optical trials
Trial workflow

How to prepare the first evaluation

  1. 01

    Set the target luminance, haze and LED-to-cover distance before dosing.

  2. 02

    Pre-wet the resin for dispersion and mix for 5-8 minutes.

  3. 03

    Proceed by injection molding or extrusion after uniform mixing.

Technical documentation

Current TDS and application guidance

Source file: a-683-tds.pdf. Optical values are application examples, not universal guarantees. Validate colour, dark points, haze and transmission on the actual thickness and geometry.

Request current TDS