BJB Enterprises FD-70 REV 1 A/B
- Chemical Family
- Polyurethanes (PU)
BJB Enterprises FD-70 REV 1 A/B is a series of semi rigid, fast reacting urethane elastomers exhibit great flexibility and excellent durability. These tough, abrasion resistant systems easily process at room temperature and range in hardness from 50 Shore D to 70 Shore D. The FD Series offers superior performance in many applications such as rollers, foundry tooling and high impact semi rigid parts. For longer work times consider BJB’s MD Series of elastomers.
Properties
- Physical Form
- Liquid
Product families
Applications
- Industrial — Other Industrial Applications
- Other Industrial Applications
Product Families
- Polyurethane Rubbers
Other characteristics
- Features
Abrasion Resistant, Durable, Excellent Flexibility, Good Tear Strength, High Tensile Strength, Semi Rigid
- Polymer Name
- Polyurethane Thermoset Elastomer (unspecified)
- Note
*Note: Reported physical properties are based on test specimens cured 1-3 hours at room temperature then 16 hours at 160°F (71°C).. +Shrink test specimens are cured for 24 hours at room temperature and then 16 hours at 160°F (71°C).
- Markets
- Industrial
- Storage
Store ambient temperatures, 65-80°F (18-27°C). Unopened containers will have a shelf life of 6 months from date of shipment when properly stored at recommended temperatures. Purge opened containers with dry nitrogen before re-sealing.
- Appearance
Clear Amber (Elevated Temperature Cure*), Clear Amber (7 Day Ambient Cure)
- 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. Always use approved safety glasses or goggles when handling this product.
- Application
CURE SCHEDULE/HEAT CURING:; Most of the physical properties can be achieved in 5-7 days at 77°F (25°C). You may use your own post-cure schedule but the physical properties may vary from BJB's cure schedule of 1-3 hours at 77°F (25°C) followed by 16 hours at 160°F (71°C). Do not exceed curing temperature of 200°F (93°C).; When FD-70 REV 1 A/B is used to produce molds or parts from plaster, wood or other porous substrates, we would first recommend that they be sealed. Release agents may then be applied over the sealed surface.; BJB offers silicone RTV mold making materials along with a wide range of accessory items. These include de-airing agents, pigments, mold releases, and Jiffy® Mixers. Visit BJB's website at www.bjbenterprises.com or consult a BJB representative for more information.
- Material Features
- Abrasion Resistant
- Durable
- Excellent Flexibility
- Good Tear Strength
- High Tensile Strength
- Semi Rigid
- HIGHLIGHTS
- RoHS/REACH compliant
- Production oriented
- Used for molds and cast parts
- High tensile and tear strength
- Exceptional abrasion resistance
- Easy processing
- Certifications and Compliance
- RoHS Compliant
Technical data
Table 1 of 2
26 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Hardness (Elevated Temperature Cure*) | 65 - 75 | Shore D | ASTM D2240-04e1 |
| Density (Elevated Temperature Cure*) | 1.169 | g/cc | ASTM D792-00 |
| Cubic (Elevated Temperature Cure*) | 24.64 | Inches per Pound | — |
| Tensile Strength (Elevated Temperature Cure*) | 6400 | psi | ASTM D412-98a(2002)e1 |
| Tensile Modulus (Elevated Temperature Cure*) | 90000 | psi | ASTM D412-98a(2002)e1 |
| Elongation (Elevated Temperature Cure*) | 350 | % | ASTM D412-98a(2002)e1 |
| Tear Strength (Elevated Temperature Cure*) | 695 | pli | ASTM D624-00e1 |
| Flexural Strength (Elevated Temperature Cure*) | 3200 | psi | ASTM D790-03 |
| Flexural Modulus (Elevated Temperature Cure*) | 79000 | psi | ASTM D790-03 |
| Shrinkage Linear (Elevated Temperature Cure*) | TBD | in/in | ASTM D2566 (1” depth) |
| Izod Impact notched (Elevated Temperature Cure*) | min. 16.5 | ft-lb/in | ASTM D256-05 |
| Dielectric Constant (1 MHz, Elevated Temperature Cure*) | 4.119 | — | ASTM D150-87 |
Table 2 of 2
14 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Gel Time | 7 - 8 minutes | — | — |
| Mix Ratio by weight (Part A) | 100 | — | — |
| Mix Ratio by volume (Part A) | 100 | — | — |
| Specific Gravity (77°F (25°C), Part A) | 1.105 | — | — |
| Color (Part A) | Pale Yellow | — | — |
| Viscosity (77°F (25°C), Part A) | 3700 | — | Brookfield |
| Mixed Viscosity (77°F (25°C)) | 2200 | cps | Brookfield |
| Work Time (100g mass, 77°F (25°C)) | 5 - 6 minutes | — | — |
| Demold Time (77°F (25°C)) | 60 - 90 minutes | — | — |
| Mix Ratio by weight (Part B) | 40 | — | — |
| Mix Ratio by volume (Part B) | 38 | — | — |
| Specific Gravity (77°F (25°C), Part B) | 1.178 | — | — |
