Purchase Description 2024.docx
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- Rubber Strip Stock/Preforms for RRAD
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- PANDTA-23-P-0000_003824
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| RFI_-_Rubber_Materials_2023.doc | DOC document |
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Purchase Description (PD)
Red River Army Depot, Rubber Products Branch will have a need for a requirements contract to supply rubber strip stock to rubberize Track Shoes and Roadwheels by injection molding or compression molds. The contract may consist of at least three and up to five ordering periods (OP) as described below. The materials are identified below with their internal production numbers and classification NSN’s. The quantities below are estimates –
0235:
| OP 1(Base): 40,000 lbs | POP: January 2024 – January 2025 | |
| OP 2: 45,000 lbs | POP: January 2025 – January 2026 | |
| OP 3: 45,000 lbs | POP: January 2026 – January 2027 | |
| OP 4: 45,000 lbs | POP: January 2027 – January 2028 |
0149:
| OP 1(Base): 200,000 lbs. | POP: January 2024 – January 2025 |
| OP 2: 200,000 lbs | POP: January 2025 – January 2026 |
| OP 3: 200,000 lbs | POP: January 2026 – January 2027 |
| OP 4: 310,000 lbs | POP: January 2027 – January 2028 |
0135:
| OP 1(Base): 25,000 lbs | POP: January 2024 – January 2025 | |
| OP 2: 20,000 lbs | POP: January 2025 – January 2026 | |
| OP 3: 30,000 lbs | POP: January 2026 – January 2027 | |
| OP 4: 70,000 lbs | POP: January 2027 – January 2028 |
0149 MasterBatch:
| OP 1(Base): 5,000 lbs | POP: January 2024 – January 2025 | |
| OP 2: 5,000 lbs | POP: January 2025 – January 2026 | |
| OP 3: 5,000 lbs | POP: January 2026 – January 2027 | |
| OP 4: 5,000 lbs | POP: January 2027 – January 2028 |
Strip Stock Die Size:
| 0235: 3” +/- 4/32” wide X 3/8” +/- 2/32” thick |
| 0149: 2 1/2” +/- 4/32” wide X 3/8” +/- 2/32” thick |
| 0135: 1 1/2” +/- 4/32” wide X 3/8” +/- 2/32” thick |
| 0149 (Master Batch): 2 1/2” +/- 4/32” wide X 3/8” +/- 2/32” thick |
Laboratory Testing Protocols 0235 Compound Acceptance Parameters:
| TEST | ASTM # | ACCEPTANCE | ||||||
| Hardness, (Shore A) | D2240 | 63 minimum | ||||||
| Tensile Strength, (PSI) | D412 (C) | 3100 minimum | ||||||
| Ultimate Elongation, (%) | D412 (C) | 350 minimum | ||||||
| Modulus, (300%) | D412 (C) | 1700 minimum | ||||||
| Specific Gravity (SpG) | D297 | 1.18 maximum | ||||||
| Ozone Resistance | D518 | no breaks (168 hrs) | ||||||
| Low Temperature Resistance | D2137 | no breaks (-40F) |
AFTER AGING: 166 hrs. / 158F
| Tensile Strength, (PSI) | D412 (C) | < 25% change |
| Ultimate Elongation, (%) | D412 (C) | < 35% change |
Adhesion Rubber to Metal Bonding minimum 100 lbs/inch width pass/fail
0149 Compound Acceptance Parameters:
| TEST | ASTM # | ACCEPTANCE | ||||||
| Hardness, (Shore A) | D2240 | 63-77 | ||||||
| Tensile Strength, (PSI) | D412 (C) | 2100 minimum | ||||||
| Ultimate Elongation, (%) | D412 (C) | 200 minimum | ||||||
| Modulus, (300%) | D412 (C) | 1600 minimum | ||||||
| Specific Gravity (SpG) | D297 | 1.19 maximum | ||||||
| Ozone Resistance | D518 | no breaks (168 hrs) | ||||||
| Low Temperature Resistance | D2137 | no breaks (-40F) |
AFTER AGING: 166 hrs. / 158F
| Tensile Strength, (PSI) | D412 (C) | < 25% change |
| Ultimate Elongation, (%) | D412 (C) | < 35% change |
Adhesion Rubber to Metal Bonding minimum 100 lbs/inch width pass/fail
0149 (Master Batch) Compound Acceptance Parameters:
Note: Same formulation as 0149 with the exception – does not contain curing additives. This compound is used for purging our injection molding operation.
| TEST | ASTM # | ACCEPTANCE | ||
| Flat Line Rheometer | None | Does Not Cure |
0135 Compound Acceptance Parameters:
| TEST | ASTM # | ACCEPTANCE | ||||||
| Hardness, (Shore A) | D2240 | 70-80 | ||||||
| Tensile Strength, (PSI) | D412 (C) | 2500 minimum | ||||||
| Ultimate Elongation, (%) | D412 (C) | 350 minimum | ||||||
| Modulus, (300%) | D412 (C) | 1800 minimum | ||||||
| Specific Gravity (SpG) | D297 | 1.17 maximum | ||||||
| Ozone Resistance | D518 | no breaks (168 hrs) | ||||||
| Low Temperature Resistance | D2137 | no breaks (-40F) | ||||||
| Tear Resistance, Lbs | D624 (C) | 300 minimum |
AFTER AGING: 166 hrs. / 158F
| Tensile Strength, (PSI) | D412 (C) | < 25% change |
| Ultimate Elongation, (%) | D412 (C) | < 35% change |
Adhesion Rubber to Metal Bonding minimum 60 lbs/inch width pass/fail
Pre-forms
Rubber, Stock Unvulcanized T-107 Track block, Wheel Side, Cross section= 9.28 SQ IN, Volume= 60.91 CUBIC IN (+2.23 CUBIC IN, -0 CUBIC IN), Two (2) pieces required per link assembly.
NSN: 264000O0063:67101
| OP 1(Base): 50,000 ea. | POP: January 2024 – January 2025 | |
| OP 2: 60,000 ea. | POP: January 2025 – January 2026 | |
| OP 3: 40,000 ea. | POP: January 2026 – January 2027 | |
| OP 4: 40,000 ea. | POP: January 2027 – January 2028 |
Rubber, Stock Unvulcanized T-142 Track block, Wheel Side, Cross section= 16.74 SQ IN, Volume= 92.07 CUBIC IN (+2.23 CUBIC IN, -0 CUBIC IN), Two (2) pieces required per link assembly.
NSN: 2000632:19207
| OP 1(Base): 40,000 ea. | POP: January 2024 – January 2025 | |
| OP 2: 2,000 ea. | POP: January 2025 – January 2026 |
T-107 Wheel Side (10L) Compound Acceptance Parameters:
| TEST | ASTM # | ACCEPTANCE | ||||||
| Hardness, (Shore A) | D2240 | 70-80 | ||||||
| Tensile Strength, (PSI) | D412 (C) | 2500 minimum | ||||||
| Ultimate Elongation, (%) | D412 (C) | 300 minimum | ||||||
| Modulus, (300%) | D412 (C) | 1500 minimum | ||||||
| Specific Gravity (SpG) | D297 | 1.17 maximum | ||||||
| Ozone Resistance | D518 | no breaks (168 hrs) | ||||||
| Low Temperature Resistance | D2137 | no breaks (-40F) | ||||||
| Tear Resistance, (Lbs) | D624 (C) | 250 minimum |
AFTER AGING: 166 hrs. / 158F
| Tensile Strength, (PSI) | D412 (C) | 2000 minimum |
| Ultimate Elongation, (%) | D412 (C) | 150 minimum |
Adhesion Rubber to Metal Bonding minimum 60 lbs/inch width pass/fail
T-142 Wheel Side (10L) Compound Acceptance Parameters:
| TEST | ASTM # | ACCEPTANCE | ||||||
| Hardness, (Shore A) | D2240 | 70-80 | ||||||
| Tensile Strength, (PSI) | D412 (C) | 2500 minimum | ||||||
| Ultimate Elongation, (%) | D412 (C) | 300 minimum | ||||||
| Modulus, (300%) | D412 (C) | 1500 minimum | ||||||
| Specific Gravity (SpG) | D297 | 1.17 maximum | ||||||
| Ozone Resistance | D518 | no breaks (168 hrs) | ||||||
| Low Temperature Resistance | D2137 | no breaks (-40F) | ||||||
| Tear Resistance, (Lbs) | D624 (C) | 250 minimum |
AFTER AGING: 166 hrs / 158F
| Tensile Strength, (PSI) | D412 (C) | 2000 minimum |
| Ultimate Elongation, (%) | D412 (C) | 150 minimum |
Adhesion Rubber to Metal Bonding minimum 60 lbs/inch width pass/fail
1. Red River Army Depot (RRAD) owns these formulations and desires to control access to the greatest extent possible. The formulations will be released to prospective vendors only upon receipt of the signed RRAD Standard Nondisclosure Agreement.
2. At the release of solicitation, interested Firms shall submit bid samples to RRAD to be tested. Samples shall be received at or prior to the date and time set for receipt of proposals. FAT testing shall conform to the test protocol listed in accordance with the requirements of the MIL-DTL-11891J specification.
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