Evaluation Test Samples Criteria.docx
DOCX document 16 KB Posted
- Attached to
- Rubber Strip Stock/Preforms FY24
- Solicitation number
- W911RQ24R0001
About this file
This document outlines testing criteria and requirements for samples of rubber strip stock and preforms to be submitted in response to solicitation number W911RQ24R0001 for rubber strip stock and preforms for fiscal year 2024 issued by the Department of the Army Materiel Command Contracting Command Detroit Arsenal. Interested firms must submit 500 pounds each of samples for four types of rubber strip stock and 15 pieces each of two types of preformed rubber blocks by the proposal receipt date. Samples will undergo testing at the Red River Army Depot to specified criteria for properties such as hardness, tensile strength, elongation and ozone and low temperature resistance. Firms must provide internal test results for comparison. Successful bidders will be required to ship production quantities using refrigerated trucks.
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Other files
| File | Type | Posted |
|---|---|---|
| W911RQ24R0001_Solicitation_Amendment 0001.pdf | ||
| W911RQ24R0001_Solicitation.pdf | ||
| MIL-DTL-11891 REV J Jul 2022.pdf | ||
| Exhibit A001 - CDRL Rubber Compound Lab Report.pdf | ||
| NDA - rubber formula.docx | DOCX document |
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EVALUATION – TEST SAMPLES
TEST SAMPLES
STRIP STOCK RUBBER MATERIALS 0235, 0149, 0149 MASTERBATCH & 0135:
Interested Firms shall submit sample rubber for testing as listed below. Samples shall be received at, or prior to, the date and time set for receipt of proposals. Testing shall conform to the test protocol listed below and the requirements of the MIL-DTL-3100H REV J and MIL-DTL-11891H(AT) REV J specifications.
Test Quantities:
| 0235/NSN 264000X020235 – 500 pounds |
| 0149/NSN 264000X9700149 – 500 pounds |
| 0149 (Master Batch)/NSN 00X010262:67101 – 50 pounds |
| 0135/NSN 264000X960135 – 150 pounds |
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 |
| 0149 (Master Batch): 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 |
Firms submitting samples for testing shall include their internal laboratory analytical testing results. This data will be compared with Red River Army Depot (RRAD) test results to ensure accuracy. Cure time and temperature used by RRAD for the 0235 compound is 60 minutes at 280 F. All other strip stock compounds are cured for 8 minutes at 340 F.
Samples shall be sent to Building 493 (Laboratory), ATTN: Jamie Pope, Red River Army Depot and clearly marked as First Article Test (FAT) Samples with the solicitation number. Prior to shipment of the sample rubber the vendor shall contact the Contracting Specialist, Mr. Travis Peterson (travis.n.peterson2.civ@mail.mil) and provide a shipment date to insure proper receipt.
Standard commercial shipping is desired. Containers used shall be suitable for handling by forklift and be constructed to protect the contents against damage during shipment. The strips shall be coated with zinc stearate, or equivalent, to prevent adhesion between layers. Upon award of a delivery order, all shipments shall be delivered using a refrigerated truck.
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
COMPRESSION RUBBER: T-107 WHEELSIDE & T-142 WHEELSIDE
Interested Firms shall submit sample rubber for testing as listed below. Samples shall be received at, or prior to, the date and time set for receipt of proposals. Testing shall conform to the test protocol listed below and the requirements of the MIL-DTL-11891H(AT) REV J specification. Note: These compression compound applications are “Pre-Formed Rubber Blocks”.
Test Quantities:
| 10L (T-107 Wheel Side)/NSN 264000o0063:67101 – 15 pieces |
| 10L (T-142 Wheel Side)/NSN 2000632:19207 – 15 pieces |
Pre-Formed Block Sizes (Drawings):
| 10L (T-107 Wheel Side) – RRAD Drawing # 2011674 |
| 10L (T-142 Wheel Side) – RRAD Drawing # 2011294 |
Firms submitting samples for testing shall include their internal laboratory analytical testing results. This data will be compared with RRAD test results to ensure accuracy. Cure time and temperature used by RRAD is 20 minutes at 320 F.
Samples shall be sent to Building 493 (Laboratory), ATTN: Jaime Pope, Red River Army Depot and clearly marked as “FAT” Samples with the solicitation number. Prior to shipment of the sample rubber the vendor shall contact the Contracting Specialist, Mr. Travis Peterson and provide a shipment date to insure proper receipt.
Standard commercial shipping is desired. Containers used shall be suitable for handling by forklift and be constructed to protect the contents against damage during shipment. Upon award of a delivery order, all shipments shall be delivered using a refrigerated truck.
Laboratory Testing Protocols 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
If a Potential Rubber Supplier receives a waiver exempting them from having to submit test samples has the lowest evaluated price for any of the materials, the Government reserves the right to not conduct testing on any of the other potential supplier test samples. If a potential supplier does not have a waiver from testing is the low offer, the Government will conduct testing on that potential suppliers test samples.
For the Potential Rubber Supplier who submits samples that are not tested, they may request the samples be returned at no additional cost to the Government. The Potential Rubber Supplier will be responsible for coordinating and paying for all shipping costs associated with returning the test samples.
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