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RTV 137

Condensation Cure

Category Archives: Condensation Cure

Alchemix RTV Condensation Cure Rubbers offer a range of Shore A hardness or flexibility between 13 and 30. Making them adaptable to many mouldmaking applications. Most of the rubbers can be made thixotropic for butter on applications.

Code
Description
RTV 130
ALCHEMIX RTV 130 is a white two component, low strength rubber.
RTV 134
ALCHEMIX RTV 134 is a two-component condensation cure, low viscosity silicone rubber. Suitable for mould making, producing replicas of polyester, epoxy resins, urethane foam and wax etc. It can precisely reproduce the shape of the original model. ALCHEMIX RTV 134 has exceptionally high tear strength and good elongation. The cure time can be varied by catalyst addition between 2 and 5%.
RTV 136
ALCHEMIX RTV 136 is a two-component condensation cure, low viscosity silicone rubber. Suitable for mould making, producing replicas of polyester, epoxy resins, urethane foam and wax etc. It can precisely reproduce the shape of the original model. ALCHEMIX RTV 136 has exceptionally high tear strength and good elongation. There are a number of catalysts available for this product. .
RTV 137
ALCHEMIX RTV 137 is a two-component condensation cure, low viscosity silicone rubber. Suitable for mould making, producing replicas of polyester, epoxy resins, urethane foam and wax etc. It can precisely reproduce the shape of the original model. ALCHEMIX RTV 137 has exceptionally high tear strength and good elongation. The cure rate and potlife can be altered by varying the catalyst addition between 2-5%.
RTV 139
ALCHEMIX RTV 139 is a two-component condensation cure, low viscosity silicone rubber. Suitable for mould making, producing replicas of polyester, epoxy resins, urethane foam and wax etc. It can precisely reproduce the shape of the original model. ALCHEMIX RTV 139 has exceptionally high tear strength and good elongation.  
Product
Mix Ratio
(pbw)		 Pot Life
(200g, 25°C)
minutes		 Cure Time
(25°C)
Hours 		Viscosity
(25°C)
mPa.s		 HDT
°C		 Shore
Hardness
RTV 130
100:3
100-150
12-24
230
40A
RTV 134
100:5
20-40
120-240
14k-20k
250
21-25A
RTV 136
100:5
80-100
18-24
42000
250
26A
RTV 137
100:5
15-35
90-180
26-30k
250
28-32
RTV 139
100:5
20-40
18-36
12K-18K
250
23-33
Code
Application
RTV 130
  • Electrical Encapsulation
  • Electrical Potting
  • Offshore and Undersea
  • Pad Printing
RTV 134
  • Fibrous Plastering
  • Model Making
  • Mould Making
  • Resin Casting
RTV 136
  • Concrete Moulding
  • Fibrous Plastering
  • Model Making
  • Mould Making
  • Resin Casting
RTV 137
  • Concrete Moulding
  • Fibrous Plastering
  • Model Making
  • Mould Making
  • Resin Casting
RTV 139
  • Composites
  • Fibrous Plastering
  • Model Making
  • Mould Making
  • Resin Casting