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BJB Enterprises TC-5015-AB

Chemical Family
Silicones

BJB Enterprises TC-5015-AB is a room temperature, addition/platinum curing silicone rubber designed for making molds and parts. When used to make molds, the TC-5015-AB is translucent enough to see through when casting into the mold cavity. This aids in developing void free surfaces on the casting. TC-5015-AB is also commonly used to make ink stamp pads as well as other types of pressure pads.

Properties

Physical Form
Liquid

Product families

Elastomers — Specialty Elastomers
  • Silicone Elastomers

Other characteristics

Features
Reduced Surface Voids
Polymer Name
Liquid Silicone Rubber (LSR)
Tear Strength
10.5 - 10.5 kN/m
Processing Methods
Casting
Markets
  • Consumer Goods
  • Industrial
Storage

Store ambient temperatures, 65-80°F (18-27°C). Unopened containers will have a shelf life of 12 months from date of shipment when properly stored at recommended temperatures. Purge opened containers with dry nitrogen before re-sealing.

Appearance
Translucent
Cure
Air Dry
Applications

Industrial — Other Industrial Applications; Consumer Goods — Stationery, Art & Office Supplies

Technology
Elastomers
Packaging Type
Drums
Safty Precaution

Use in a well-ventilated area. Avoid contact with skin using protective gloves and protective clothing. Repeated or prolonged contact on the skin may cause an allergic reaction.Eye protection is extremely important. Alwaysuse approved safety glasses or goggles when handling this product.

Application

Certain materials will cause inhibition or neutralization of the curing agent. These materials include condensation/tin cured based silicone, lacquer and enamel coatings, polyester-based products, copper or copper containing metals, some SLA resins, and natural rubbers like latex. Inhibition may easily be determined by brushing a small quantity of TC-5030 A/B over a localized area of the surface to be reproduced. If the TC-5015A/B is tacky or uncured after the cure time, then you know the mold surface is acting as an inhibitor. Moldsmade from wood, plaster, steel, aluminum, or plastic should not cause inhibition if they are clean. To insure against possible problems, it is advisable to spray a barrier film over any questionable surfaces. This is the best way of treating clays and other surfaces that cause inhibition. Contact BJB for recommended products.

Material Features
Reduced Surface Voids
Plastics and Elastomers Processing Methods
Casting

Technical data

Table 1 of 2

7 rows
CharacteristicValueUnitMethod
Hardness10 - 20Shore AASTM D 2240-04e1
Density1.06g/ccASTM D 792-00
Cubic26.2Inches per Pound—
Tensile Strength320psiASTM D 412-98a(2002)e1
Elongation350%ASTM D 412-98a(2002)e1
Tear Strength60pliASTM D 624-00e1 Die B
Shrinkage LinearNilin/inASTM D2566 (1” depth)

Table 2 of 2

12 rows
CharacteristicValueUnitMethod
Mix Ratio by weight (Part A)100——
Specific Gravity (77°F (25°C), Part A)1.07——
Color (Part A)Colorless——
Viscosity (77°F (25°C), Part A)31000—Brookfield
Mixed Viscosity (77°F (25°C))15000cpsBrookfield
Work Time (100g mass, 77°F (25°C))25 minutes——
Gel Time30 minutes——
Demold Time (77°F (25°C))24 hours——
Mix Ratio by weight (Part B)10——
Specific Gravity (77°F (25°C), Part B)0.97——
Color (Part B)Colorless——
Viscosity (77°F (25°C), Part B)80——

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