HACCP Certification for Food-Contact Desiccants — Process and Checklist

What Is HACCP and Why Does It Matter for Food-Contact Desiccants?

HACCP — Hazard Analysis and Critical Control Points — is a systematic, science-based approach to identifying, evaluating, and controlling food safety hazards. The methodology was developed in the 1960s by NASA and the Pillsbury Company to ensure food safety for US space missions.

The standard is formally codified in Codex Alimentarius CAC/RCP 1-1969 (Revised 2020) — the global reference document published by FAO/WHO. FDA recognizes HACCP and incorporates it into 21 CFR Part 120 (juice) and 21 CFR Part 123 (seafood). The EU mandates HACCP principles under EC 852/2004 — the Food Hygiene Regulation.

For food-contact desiccants, HACCP matters for three reasons:

1. Packaging material contact: Desiccant packets are placed inside cookie boxes, dried seafood bags, and infant formula cans. Packaging materials (non-woven fabric, Tyvek paper, printing inks) must not migrate harmful substances into food.
2. Buyer requirements: US, EU, and Japanese retailers and importers require HACCP certification from suppliers before placing initial orders — it is a practical barrier to entry.
3. Customs clearance: Some ports expedite clearance for food-contact goods backed by HACCP certificates or equivalent documentation.

See also our article on food desiccants and FDA 21 CFR for the US regulatory context. Read the silica gel MSDS guide to complete your technical documentation package.

The 7 HACCP Principles Applied to Desiccant Manufacturing

Codex Alimentarius CAC/RCP 1-1969 defines 7 HACCP principles. The table below applies each principle specifically to food-contact desiccant manufacturers:

#	Principle	Application to Desiccants	Practical Example
1	Conduct a Hazard Analysis	Identify biological, chemical, and physical hazards at each production step	Printing inks may migrate if non-food-grade; silica gel may contain heavy metals if raw material quality is uncontrolled
2	Identify Critical Control Points (CCPs)	Determine process steps where control is essential to prevent or eliminate hazards	CCP: post-drying particle screening (remove broken beads, foreign material); ink inspection before packaging assembly
3	Establish Critical Limits	Set measurable thresholds at each CCP — exceeding the limit means the product is non-conforming	Particle size > 0.5 mm (prevents bead escape through packaging pores); ink migration < 10 ppb per EC 10/2011
4	Establish Monitoring Procedures	Define continuous or scheduled measurement at each CCP	Particle size check every 2 production hours; heat-seal integrity burst test on every production batch
5	Establish Corrective Actions	Define responses when monitoring detects a critical limit deviation	Quarantine the affected lot, investigate root cause, retest, and confirm before releasing to warehouse
6	Establish Verification Procedures	Confirm the HACCP system functions as planned	Quarterly internal audit; quarterly third-party lab migration testing on finished product samples
7	Establish Record-Keeping and Documentation	Maintain all monitoring, corrective action, and verification records	Daily QC logbook with signatures; CCP logs retained for at least 2 years; traceability records by incoming raw material lot

12-Item Checklist for a HACCP Audit

Before the audit body visit, a desiccant manufacturer must have the following 12 items ready. The auditor will verify both documentary evidence and on-site implementation:

#	Item	Evidence Required	Common Non-Conformance
1	Good Manufacturing Practice (GMP)	Written, approved GMP document updated within 12 months	GMP practiced verbally but not documented
2	Complete HACCP Plan	HACCP plan document: hazard analysis, CCP table, critical limits, monitoring plan	Must carry signatures of HACCP team leader and management
3	Raw Material Traceability	System to trace each raw material lot from supplier to finished product and back	Lot number tracking often done manually — accept if well-documented
4	Packaging Compatibility (Migration Test)	Migration test results per EC 10/2011 or FDA 21 CFR 177 for food-contact packaging materials	Must be third-party lab certificate — self-certification is not accepted
5	Supplier Qualification	Approved supplier list, supplier evaluation records, CoA for incoming raw materials	Auditor spot-checks 2-3 CoAs to verify authenticity
6	Pest Control	Contract with certified pest control company, periodic inspection log	Log must record date, findings, and technician name
7	Cleaning and Sanitation	Cleaning SOPs for machinery and premises, cleaning schedule, completion log	SOPs without defined frequencies are flagged as minor NC
8	Personnel Hygiene and Training	HACCP training records for all production staff, periodic health examination records	Training records must include per-employee signatures and test scores
9	Allergen Control	Allergen inventory in the facility, cross-contamination prevention procedure	Silica gel is not an allergen, but a risk assessment is still required
10	Recall Procedure	Written product recall procedure, mock recall drill conducted every 6 months (recommended)	Mock recall drills are the most frequently missed item — high NC frequency
11	Calibration Records	Calibration log for measuring instruments at each CCP (scales, thermometers, humidity meters)	Calibration certificate must come from an ISO/IEC 17025 accredited laboratory
12	Internal Audit Records	HACCP internal audit reports at least twice per year, with closed corrective actions	Auditor checks whether corrective actions were verified and closed on time

Additional documentation is available on our CEMACO Sai Gon HACCP certificate page. Read also our article on FDA 21 CFR 184.1711 for parallel US legal requirements.

Recognized Audit Bodies in Vietnam and Internationally

Your choice of audit body directly affects the commercial value of the certificate. International buyers typically accept only certificates from organizations accredited by the IAF (International Accreditation Forum):

• TÜV Rheinland: Germany — the most widely recognized body in EU, Germany, and Japan markets. Offices in Ho Chi Minh City and Hanoi. CEMACO Sai Gon's current certification body.
• Bureau Veritas (BV): France — global reputation, particularly strong in France, North Africa, and Southeast Asia. Offers integrated testing lab services.
• SGS: Switzerland — the world's largest inspection and certification network, favored by US and Japanese importers. SGS Vietnam has a migration testing laboratory.
• Intertek: UK — recognized in US, Australia, and Middle East markets. Audit fees are generally more competitive than TÜV or BV.
• BSI (British Standards Institution): UK — high authority in UK, Commonwealth, and English-speaking markets. BSI owns the original ISO standard body.

Important: Do not select a small local audit body without IAF accreditation. The certificate will not be accepted by international buyers.

Process, Timeline, and Cost Estimate

Below is a typical timeline for a desiccant manufacturer achieving HACCP certification for the first time in Vietnam:

Phase 1 — Pre-Audit Preparation (4-8 weeks): Build the HACCP plan, complete all 12 checklist items, and conduct internal staff training. Optional: hire a HACCP consultant to support documentation writing (separate consulting fee: VND 20-40 million).

Phase 2 — Stage 1 Audit / Document Review (1-2 days): The audit body reviews documents remotely or on-site. Gaps are identified and must be addressed before the Stage 2 audit.

Phase 3 — Stage 2 Audit / On-Site (2-3 days): The audit body visits the factory to verify the 12 checklist items in practice, interview production staff, and review monitoring logs. An audit report is issued listing any non-conformances (NCs).

Phase 4 — Close NCs and Receive Certificate (6-8 weeks): The manufacturer submits a corrective action plan for each NC. The audit body reviews submissions and issues the certificate once satisfied. Certificates are typically valid for 3 years, with annual surveillance audits.

Total estimated cost (Vietnam 2026, tier-1 audit body, medium-size factory in Ho Chi Minh City):

• Audit fee (Stage 1 + Stage 2): VND 40-80 million
• Testing lab (migration test, raw material CoA): VND 10-20 million
• HACCP consultant (if engaged): VND 20-40 million
• Annual surveillance audit: VND 15-25 million per year
• Year-one total: VND 60-150 million

To order HACCP-certified desiccants with full documentation, submit an inquiry at: request a quote for HACCP-certified desiccants.

See also: food industry desiccant applications and our silica gel product range.

Frequently Asked Questions

What is HACCP?

HACCP — Hazard Analysis and Critical Control Points — is a systematic, science-based food safety management system that identifies, evaluates, and controls hazards throughout the production process. Originally developed for NASA in the 1960s, it is now the international standard defined by Codex Alimentarius CAC/RCP 1-1969, recognized by the FDA and mandated by EU Regulation EC 852/2004.

Is HACCP mandatory for desiccant manufacturers?

It is mandatory when desiccants come into direct or indirect contact with food products exported to the US, EU, Japan, or South Korea. It is not legally required under current Vietnamese regulations for the domestic market, but an increasing number of domestic buyers — large supermarket chains, F&B exporters — require it as a purchasing condition.

How long does a HACCP audit take?

On average, 3-5 months from the start of preparation to holding the certificate in hand. Documentation preparation and internal training take 4-8 weeks; Stage 1 and Stage 2 audits take 2-5 days combined; addressing non-conformances and receiving the certificate adds another 6-8 weeks.

Which audit bodies are recognized in Vietnam?

Tier-1 IAF-accredited audit bodies operating in Vietnam include: TÜV Rheinland (Ho Chi Minh City and Hanoi), Bureau Veritas, SGS Vietnam, Intertek, and BSI. Select a body with IAF accreditation to ensure the certificate is recognized by international buyers. CEMACO Sai Gon is certified by TÜV Rheinland.

How much does HACCP certification cost?

In Vietnam in 2026, the total first-year cost (audit fees, lab testing, and optional consulting) ranges from VND 60 million to VND 150 million for a medium-size factory using a tier-1 audit body. Annual surveillance audits for subsequent years cost approximately VND 15-25 million per year.

Read more — flagship article: Desiccant MSDS Handbook — Safety Documentation for US, EU & Japan Export Markets — CEMACO's per-shipment MSDS + CoA + DoC + FDA Letter of Guarantee workflow for HACCP audit dossier.