High Performance Grating Clips Galvanized - frp molded grating – WellGrid

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We insist on offering premium quality manufacturing with superior business concept, honest product sales as well as finest and fast assistance. it will bring you not only the good quality product or service and huge profit, but the most significant is to occupy the endless market for Grp Stair Tread Cover, Fiberglass Stair Tread, Grp Anti Slip Strip, We warmly welcome domestic and overseas customers send inquiry to us ,we have 24hours working team! Anytime anywhere we are still here to be your partner.

High Performance Grating Clips Galvanized - frp molded grating – WellGrid Detail:

Advantages

1. Corrosion Resistance
Different types of resin provide their own different anti-corrosion properties, which could be used in different corrosion circumstance such as acid, alkali, salt, organic solvent (in gas or liquid form) and the like over a long period.

2. Fire Resistance
Our special formula provide grating with excellent fire resistant performance. Our FRP gratings pass ASTM E-84 Class 1.

3. Light Weight & High Strength
The perfect combination of the continuous E-glass roving and thermosetting polyester resin provide grating with light weight and high strength and its specific gravity is only 1/4 of that of steel, 1/3 of aluminum. Its rigidity is up to and even exceeds that of steel. Different thickness and mesh size bring the client more choice.

4. Safety & Anti-slip
The high modulus of elasticity and various surfaces provided the super anti-skid performances. Its surface could be smooth surface, meniscus surface, grit surface and chequer plate cover which is suitable for different working places.

5. Electrical Insulating
High strength E-glass roving and high-grade resin provide the product super electric performance. Its electric break strength could reach 10KV/mm. There is no electric spark even when impact by tools, meanwhile it is non-magnetism. FRP Molded Grating could be used safely under the antiknock, diamagnetism and electric-resistance environments.

6. Aging Resistance
The high-grade resin and anti-ageing stabilizer provide grating long-life ageing resistant performance and the unique design make grating excellent self-cleanness function and keep its brightness and strength over a long time. The service life of grating could be 25 years.

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FRP Molded Grating Availability

No.	Deep mm	Mesh Size mm	Panel Size Available mm (Width * Length)	Open Area %	Unit Weight (kg/m2)
1	13	38*38	1220*3660	68	6.3
2	13	50*50	1220*3660	78	5.8
3	13	3838+1919	1220*3660	40	10.8
4	14	4040+2020	1007*4047	42	10.5
5	22	4040+2020	1007*4047	42	15.0
6	25	38*38	12203660/10004038	68	12.7
7	25	3838+1919	1220*3660	40	16.6
8	25	40*40	1007*4047	66	12.5
9	25	100*25	1007*3007	66	13.0
10	25	101.6*25.4	1220*3660	64	15.2
11	30	38*38	12203660/10004038	68	15.0
12	30	3838+1919	12203660/10004038	40	18.6
13	30	4040+2020	1007*4047	42	18.0
14	30	3838+1212*12	12203660/10004038	30	22.0
15P	38	38*38	15253050/12203660/1000*4038	68	19.0
16	38	3838+1919	12203660/10004038	40	23.7
17	38	4040+2020	1007*4047	42	23.5
18	38	38*152	1220*3660	66	19.0
19	40	40*40	1007*4047	66	20.0
20	50	38*38	1220*3660	56	42.0
21	50	50*50	1220*3660	78	21.2
22	60	38*38	1220*3660	54	51.5
Notes: the letter P following the No. means this grating could be supplied with phenolic resin.

RP Molded Grating Loading Table

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25mm 38x38mm
30mm 38x38mm
38mm 38x38mm
50mm 50x50mm
25mm 38x38mm

Span mm	Concentrated Line Load (kg/m)						Max Load
Span mm	75	150	300	450	600	750
450	0.559	1.146	2.159	3.073	4.115	4.75	3910
600	0.864	1.702	3.505	5.156	6.706	8.173	2924
900	2.896	5.918	12.116	18.44	——	——	1948
1200	5.715	11.633	——	——	——	——	1461

Span mm	Uniform Load (kg/m2)						Max Load
Span mm	240	480	980	1450	2450	3650
450	0.66	1.092	1.93	2.769	4.47	6.579	——
600	1.118	2.108	4.14	6.172	10.211	15.265	——
750	3.667	5.387	10.82	16.28	——	——	——
900	5.537	11.176	21.717	——	——	——	——

30mm 38x38mm

Span mm	Concentrated Line Load (kg/m)						Max Load
Span mm	75	150	300	450	750	1500
300	<0.254	<0.254	0.254	0.508	0.762	1.524	9923
450	0.254	0.508	1.106	1.524	2.54	——	4828
600	0.508	1.27	2.286	3.556	5.842	——	4112
750	1.27	2.54	4.826	7.366	12.446	——	3174
900	1.778	3.81	7.62	11.43	——	——	2637

Span mm	Uniform Load (kg/m2)						Max Load
Span mm	350	500	750	1000	1500	2500
300	<0.254	<0.254	<0.254	<0.254	0.254	0.508	32501
450	0.254	0.508	0.762	1.106	1.524	2.286	21661
600	1.016	1.524	2.286	2.794	4.318	7.366	12981
750	2.54	3.81	5.842	7.62	11.684	——	8396
900	4.572	7.112	10.668	——	——	——	5758

38mm 38x38mm

Span mm	Concentrated Line Load (kg/m)						Max Load
Span mm	75	150	300	450	600	750
300	0.279	0.356	0.483	0.61	0.762	0.889	17116
600	0.356	0.66	1.245	1.85	2.464	3.073	8718
900	0.864	1.803	3.683	5.563	7.417	9.296	5817
1200	2.261	4.749	9.677	14.63	19.583	——	3755

Span mm	Uniform Load (kg/m2)						Max Load
Span mm	240	480	980	1450	2450	3650
300	0.254	0.305	0.381	0.457	0.635	0.838	——
600	0.432	0.813	1.549	2.311	3.8354	5.74	——
900	1.702	3.454	6.959	10.465	17.475	——	——
1200	5.969	12.167	24.511	——	——	——	——

50mm 50x50mm

Span mm	Concentrated Line Load (kg/m)						Max Load
Span mm	75	150	300	450	600	750
300	0.279	0.305	0.406	0.483	0.635	1.041	21727
600	0.356	0.508	0.813	1.128	1.753	3.327	11713
900	0.508	1.118	2.235	3.2	5.156	10.058	7780
1200	0.914	1.93	3.937	5.918	9.957	——	5834

Span mm	Uniform Load (kg/m2)						Max Load
Span mm	240	480	980	1450	2450	3650
300	0.254	0.279	0.33	0.381	0.483	0.737	——
600	0.381	0.584	0.965	1.372	2.134	4.115	——
900	1.194	2.108	3.937	5.766	9.449	18.593	——
1200	2.413	4.928	9.954	14.961	——	——	——

RP Molded Grating Loading Table

Real	Surface	Service
	Concave surface	Anti-skid, easy clean
	Grit surface	Anti-skid and good abrasion (The grit could be fine, middle and coarse)
	Smooth surface	Free clean, contaminant non stay
	Chequer cover surface	Anti-skid, easy clean, odour isolation
	Grit cover surface	Anti-skid, good abrasion (The grit could be fine, middle and coarse), odour isolation

Standard Resin Systems

ONFR	Polyester resin system, Good corrosion resistance, Non fire resistance;
OFR	Polyester resin system, Good corrosion resistance, Fire resistance ASTM E-84 Class 1;
ISOFR	Premium grade Isophthalic Polyester resin system, excellent corrosion resistance, Fire resistance ASTM E-84 Class 1;
VEFR	Vinyl Ester resin system, Maximum corrosion resistance, Fire resistance ASTM E-84 Class 1;
PHE	Phenolic resin system, High temperature service, Low flame spread index, low smoke developed index and low toxicity.

Chemical Properties

FRP Molded Grating Chemical Properties Guide

Chemicals	Concentration	Maximum service temperature
Chemicals	Concentration	Vinyl ester resin	Iso resin	Ortho resin
Acetic acid	50	82	30	20
Chromic acid	20	38	No	No
Nitric acid	5	70	48	25
Phosphoric acid	85	100	65	No
Sulfuric acid	25	100	52	20
Hydrochloric acid	<10	100	52	No
	20	90	38	No
	37	65	No	No
Hydrotropic acid	25	93	38	No
Lactic acid	100	100	52	40
Benzoic acid	All	100	65	——
Aluminum hydroxide	All	82	45	No
Aqueous ammonia	28	52	30	No
Sodium hydroxide	10	65	20	No
	25	65	No	No
	50	70	No	No
Ammonium sulfate	All	100	60	50
Ammonium chloride	All	100	82	60
Ammonium bicarbonate	All	52	No	No
Copper chloride	All	100	65	60
Copper cyanide	All	100	No	No
Ferric chloride	All	100	65	60
Ferrous chloride	All	100	60	50
Manganese sulfate	All	100	65	45
Sodium cyanide	All	100	——	——
Potassium nitrate	All	100	65	40
Zinc sulfate	All	100	65	45
potassium nitrate	100	100	65	40
Potassium dichromate	100	100	60	40
Ethylene glycol	100	100	65	40
Propylene glycol	100	100	65	40
Gasoline	100	80	60	35
Glucose	100	100	38	No
Glycerin	100	100	65	60
Hydrogen peroxide	30	38	—	—
Dry chlorine gas	100	82	38	No
Wet chlorine gas	All	82	No	No
Vinegar	100	100	65	30
Distilled water	100	93	60	25
fresh water	100	100	70	40
Note: the “All” in concentration column refers to the chemical is saturated in water; and the “100” refers to pure chemicals.

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FRP Molded Grating (15)

Hold down Clips: Stainless steel holds down clips are one of our services to our clients.

FRP Molded Grating (16)

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