Home / QualityTrust is tested.
Trust is tested.
Batch after batch.
Our 6-gate quality process for B2B buyers who can’t afford comebacks. Only verified claims — no fake certificates.
6-gate process
Raw material → sealed pack.
1
Raw-material inspection
Glycol purity, inhibitor assay, DM-water TDS & packaging checks on arrival.
Glycol purity, inhibitor assay, DM-water TDS & packaging checks on arrival.
2
Formulation
Weighed blending to locked recipes — Green All-Season, Blue Heavy-Duty, Red Long-Life & Purple Special.
Weighed blending to locked recipes — Green All-Season, Blue Heavy-Duty, Red Long-Life & Purple Special.
3
Laboratory testing
pH, density, freeze point, boil margin, appearance, foam & corrosion screening.
pH, density, freeze point, boil margin, appearance, foam & corrosion screening.
4
Production
Closed mixing, filtration & homogenisation. Batch code assigned.
Closed mixing, filtration & homogenisation. Batch code assigned.
5
Quality check
Retest of finished bulk + first-bottle inspection. Hold if out of spec.
Retest of finished bulk + first-bottle inspection. Hold if out of spec.
6
Packaging & dispatch
Leak-proof sealing, labelled MRP/batch/expiry, carton + pallet dispatch.
Leak-proof sealing, labelled MRP/batch/expiry, carton + pallet dispatch.
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What we test
pH 7.5–9+, density, freeze/boil, colour stability, foam, metal-coupon screening.
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Traceability
Every bottle carries batch + mfg. date. Complaint? We trace it in minutes.
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Documents
TDS & SDS supplied on request. Certifications published only when formally held.
Honest note for B2B buyers: We do not display borrowed OEM approvals or lab logos. Share your tender spec — we’ll confirm in writing what F Frost meets, with test data.
Send Your Spec →
Send Your Spec →