M4644 Silicone Rubber

M4644 Silicone Rubber by Barnes. M4644 is a high performance silicone mould-making compound that is suitable for reproducing models with undercuts in polyurethane or epoxy resins.

Choose your option

• SIZE: 1.1kg, 5.5kg, 22kg

Product details and application notes

M4644 is a high performance silicone mould-making compound that is suitable for reproducing models with undercuts in polyurethane or epoxy resins.

M4644 is also a Food Grade Silicone Rubber

Recommended for: Food Grade, Concrete, Plaster, Epoxy, Polyurethane
Potlife & Demould: Work time – 90 mins / Demould time – 12 hrs
Hardness & Type: Shore A40 +/-2 Silicone Elastomer, 50000cps

Pourable, addition-curing, two component silicone rubber that cures at room temperature.

• Good Flow
• Medium Shore A Hardness (approx 40)
• Fast non-shrink cure which can be accelerated considerably by the application of heat
• Good transparency of the cured rubber
• High tear strength
• Outstanding resistance to casting resins, particularly polyurethanes and epoxies

• WACKER M4644 PART A SDS
  
• WACKER M4644 PART B SDS
  
• M4644 TDS
  
• BARNES SHORE HARDNESS SCALE
  
• M4644 FOOD GRADE LETTER
  

Frequently asked questions

What additional product information should I consider?

Recommended for: Food Grade, Concrete, Plaster, Epoxy, Polyurethane Potlife & Demould: Work time – 90 mins / Demould time – 12 hrs Hardness & Type: Shore A40 +/-2 Silicone Elastomer, 50000cps

Which options can I select?

SIZE: 1.1kg, 5.5kg, 22kg. Select the required option on this product page.