technical information

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1. CHEMICAL RESISTANCE: DYNABOARD is resistant to most chemicals including acids and alkali. However, chemicals such as thinners, solvents and petrol must be avoided.

2. UV RESISTANCE: DYNABOARD has been formulated to withstand normal New Zealand sunlight conditions.

3. FIRE PROPERTIES: DYNABOARD has been designated as suitable for domestic and commercial use in areas where there are no specific fire requirements. The product is not easily ignited and shrinks, melts and flows away from the heat source. UPVC is self extinguishing and ceases to burn upon removal of the heat source. Fire Indices AS 1530.3 Ignitability: 0 Spread of flame: 0 Heat evolved: 0 Smoke developed: 7 NOTE: DYNABOARD softens at approximately 75ºC. Direct exposure to a heat source exceeding this temperature may cause distortion.

4. THERMAL EXPANSION: 3 x 10-5 per degree C.

5. THERMAL INSULATION: DYNABOARD has a thermal resistance of approximately 0.18m2oC/W.

6. IMPACT STRENGTH: Hard body impact =>9J at 20ºC (min). Tested in accordance with AS/NZS 4257.6.

7. GLUING: DYNABOARD can be glued to itself using a PVC glue such as Marley MCS Solvent Cement.

8. PAINTING: If required DYNABOARD can be painted. Prepare the surface by thoroughly washing with warm soapy water and complete rinsing. Apply two coats of the desired colour using a brand name acrylic paint. Light colours only should be used to avoid problems associated with heat build-up.

9. TECHNICAL ASSISTANCE: For further information contact your supplier or Dynex Extrusions Ltd.